CN108023705B - Semi-static reference signal configuration and transceiving method, base station and terminal - Google Patents
Semi-static reference signal configuration and transceiving method, base station and terminal Download PDFInfo
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- CN108023705B CN108023705B CN201610966183.1A CN201610966183A CN108023705B CN 108023705 B CN108023705 B CN 108023705B CN 201610966183 A CN201610966183 A CN 201610966183A CN 108023705 B CN108023705 B CN 108023705B
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- 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
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Abstract
The invention provides a semi-static reference signal configuration method, a receiving and sending method, a base station and a terminal, wherein the semi-static reference signal configuration method comprises the following steps: determining the configuration parameters when the semi-static reference signals are transmitted or received, and transmitting the configuration parameters when the semi-static reference signals are transmitted or received to a terminal side. The scheme of the invention not only can reduce signaling overhead, reduce terminal power consumption and avoid waste of uplink resources, but also can improve the accuracy of channel measurement, thereby improving the transmission rate of the system.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a semi-static reference signal configuration method, a semi-static reference signal transceiving method, a base station, and a terminal.
Background
In the future fifth Generation (5Generation, abbreviated as 5G) mobile communication system, in order to achieve the target of 20Gbps for downlink transmission rate and 10Gbps for uplink transmission rate, wider system bandwidth and large-scale antenna technology will be introduced. However, since the terminal side is limited by factors such as power and size, and the uplink transmission bandwidth and the number of antennas are limited, the improvement of the transmission rate depends on the effective measurement and reporting of the channel state information, and the transmission efficiency can be effectively improved by accurate channel state information. In a Frequency Division Duplex (FDD) system, an uplink Sounding Reference Signal (SRS) is used to estimate uplink channel state information; in a Time Division Duplex (TDD) system, the SRS can estimate downlink channel state information by using channel reciprocity. Therefore, a reasonable and efficient SRS transmission scheme is important in future 5G mobile communication systems.
In a current Long Term Evolution (LTE) system, SRS is mainly used for uplink channel measurement, and assists a base station side in scheduling, power control, and the like. Particularly, in the TDD system, the SRS may be used to estimate the downlink channel according to reciprocity of the uplink and downlink channels, so as to obtain channel state information. Generally, the SRS uses a non-beamforming method to support a periodic or non-periodic triggering method, the periodic SRS configuration information is sent by a higher layer signaling, and the non-periodic triggering SRS configuration information is sent by a physical layer control message.
However, the periodic SRS transmission may cause waste of uplink resources, increase power consumption of the terminal, and due to the fact that the periodic SRS is generally notified through higher layer signaling, the delay is relatively large. Signaling overhead is large for SRS aperiodic triggering.
Disclosure of Invention
Embodiments of the present invention provide a semi-static reference signal configuration and transceiving method, a base station, and a terminal, so as to solve a problem that an uplink resource is wasted or signaling overhead is large due to an existing SRS transmission manner.
In one aspect, an embodiment of the present invention provides a method for configuring a semi-static reference signal, including:
determining configuration parameters when semi-static reference signals are transmitted or received;
and sending the configuration parameters during the sending or receiving of the semi-static reference signals to a terminal side.
On the other hand, an embodiment of the present invention further provides a method for receiving and transmitting a semi-static reference signal, including:
receiving configuration parameters when semi-static reference signals sent by a base station side are sent or received;
and sending an uplink reference signal or receiving a downlink reference signal according to the configuration parameters when the semi-static reference signal is sent or received.
In another aspect, an embodiment of the present invention further provides a base station, including:
the determining module is used for determining configuration parameters when the semi-static reference signals are transmitted or received;
and the sending module is used for sending the configuration parameters determined by the determining module when the semi-static reference signals are sent or received to a terminal side.
In another aspect, an embodiment of the present invention further provides a terminal, including:
the receiving module is used for receiving configuration parameters when the semi-static reference signals sent by the base station side are sent or received;
and the processing module is used for sending the uplink reference signal or receiving the downlink reference signal according to the configuration parameters when the semi-static reference signal received by the receiving module is sent or received.
In this way, the semi-static reference signal configuration method of the embodiment of the present invention determines the configuration parameters when the semi-static reference signal is transmitted or received, and transmits the configuration parameters when the semi-static reference signal is transmitted or received to the terminal side, so that the terminal side performs uplink reference signal transmission or downlink reference signal reception according to the received configuration parameters, which not only can reduce signaling overhead, reduce terminal power consumption, avoid uplink resource waste, but also can improve channel measurement accuracy, thereby improving system transmission rate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Fig. 1 is a flowchart illustrating a semi-static reference signal configuration method according to a first embodiment of the invention.
Fig. 2 is a flowchart illustrating a method for transceiving semi-static reference signals according to a second embodiment of the present invention.
Fig. 3 is a diagram illustrating a semi-static SRS transmission based on beamforming according to an embodiment of the present invention.
Fig. 4 is a diagram illustrating simultaneous transmission of semi-static SRSs of the same type in an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a base station according to a third embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a terminal according to a fourth embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a base station according to a fifth embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a terminal according to a sixth embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
It is first noted that in future 5G mobile communication systems, the uplink may still use SRS for channel state information measurements. In TDD systems, SRS can still be used for downlink channel state information measurement. In particular, in a high-frequency system, a beamformed SRS is introduced to improve the coverage performance of an uplink SRS, and the SRS can also be used for beam management. In order to further improve uplink transmission efficiency, reduce SRS overhead, reduce power consumption of a terminal, reduce SRS signaling trigger time delay, and support 5G high-frequency mobile communication, the conventional periodically transmitted or non-periodically triggered SRS may be replaced, and a new SRS transmission mode will be introduced.
The semi-static transmission mode is different from a periodic transmission mode and a non-periodic trigger transmission mode, and limited transmission can be performed when the trigger is performed once. Generally, semi-static SRS transmission transmits an SRS only when channel measurement or beam management is needed by activating and deactivating, so as to effectively reduce SRS overhead and improve uplink transmission rate. By setting reasonable configuration parameters on the network side, the functions of semi-static, aperiodic triggering and/or periodic SRS transmission can be realized at the same time.
First embodiment
Referring to fig. 1, a first embodiment of the present invention provides a method for configuring semi-static reference signals, which is applied to a base station and includes steps 101 to 102, which are described in detail below.
Step 101: determining configuration parameters when the semi-static reference signal is transmitted or received.
In the embodiment of the invention, when the base station determines the configuration parameters during the sending or receiving of the semi-static reference signals, the channel condition, the capability of the base station and/or the capability of the terminal and the like can be comprehensively considered to determine the matched configuration parameters.
Specifically, the configuration parameter determined in step 101 may include at least one of a transmission or reception type indication parameter, a deactivation time domain offset parameter, and a collision resolution indication parameter.
The sending or receiving type indication parameter is used for indicating that semi-static reference signals start to be sent or received, semi-static reference signals stop to be sent or received, periodic reference signals are sent or received, or reference signals are triggered to be sent or received in an aperiodic mode.
For example, for configuration parameters during semi-static reference signal transmission, the transmission type indication parameter 00 may indicate aperiodic-triggered SRS transmission, the transmission type indication parameter 01 may indicate semi-static SRS start transmission, the transmission type indication parameter 10 may indicate semi-static SRS stop transmission, and the transmission type indication parameter 01 may indicate periodic SRS transmission.
The deactivation time domain offset parameter is used for indicating the semi-static reference signal to deactivate the symbol or the subframe and the offset of the symbol or the subframe relative to the starting sending or receiving.
The conflict resolution indication parameter is used for indicating a resolution strategy when a conflict occurs in the transmission or the reception of the semi-static reference signal. Specifically, the solution policy may be: the method comprises the steps of preferentially sending or receiving a finally triggered semi-static reference signal, circularly sending or receiving a plurality of semi-static reference signals, sending or receiving a plurality of semi-static reference signals by offsetting preset time domain symbols or sending or receiving a plurality of semi-static reference signals by offsetting preset frequency domain subcarriers.
For example, for configuration parameters during semi-static reference signal transmission, the collision resolution indication parameter 00 may indicate that a last or later triggered semi-static reference signal is preferentially transmitted, the collision resolution indication parameter 01 may indicate that a plurality of semi-static reference signals are cyclically transmitted, the collision resolution indication parameter 10 may indicate that the plurality of semi-static reference signals are shifted from a preset number of time domain symbols for transmission, and the collision resolution indication parameter 11 may indicate that the plurality of semi-static reference signals are shifted from a preset number of frequency domain subcarriers for transmission.
Further, the configuration parameter may further include at least one of a time domain start position parameter, a time domain offset parameter, a frequency domain start position parameter, a frequency domain offset parameter, a frequency domain bandwidth parameter, a frequency hopping identification parameter, a reference signal type indication parameter, and an antenna port set identification parameter.
The time domain starting position parameter is used for indicating a symbol or a subframe where a semi-static reference signal starts to be transmitted or received.
The time domain offset parameter is used for indicating a time domain interval between two adjacent semi-static reference signals when the semi-static reference signals are transmitted or received.
The frequency domain starting position parameter is used for indicating the starting position occupied by the semi-static reference signal frequency domain.
The frequency domain offset parameter is used for indicating the frequency domain interval between two adjacent semi-static reference signals when the semi-static reference signals are transmitted or received.
The frequency domain bandwidth parameter is used to indicate a frequency domain bandwidth occupied by the semi-static reference signal during transmission or reception, and may be a partial bandwidth or a full bandwidth or a sub-band.
The frequency hopping identification parameter is used for indicating whether the semi-static reference signal starts frequency hopping or not; and if the frequency hopping is started, the frequency hopping is carried out according to a predefined frequency hopping formula.
The reference signal type indication parameter is used for indicating that the semi-static reference signal is transmitted or received by adopting a non-beam forming mode or a beam forming mode.
The antenna port set identifier parameter is used to indicate a time frequency resource identifier occupied by one semi-static reference signal during transmission or reception in a transmission time interval, or a time frequency resource identifier occupied by each semi-static reference signal during transmission or reception of a plurality of semi-static reference signals. Generally, the granularity of the time-frequency resource identification is smaller.
In this embodiment of the present invention, the configuration parameters when the semi-static reference signal determined by the base station is transmitted or received may be a set corresponding to one or more system frequency bands, for example, high frequency, low frequency, and the like. And, each system frequency band can correspond to a plurality of configuration parameters of the semi-static reference signal.
Step 102: and sending the configuration parameters during the sending or receiving of the semi-static reference signals to a terminal side.
In the embodiment of the present invention, sending the configuration parameters to the terminal side may at least adopt the following manner:
in the first mode, the load is carried through a high-level signaling;
the second mode is that the physical layer controls the message bearing;
and the third mode is carried by high-layer signaling and physical layer control information.
That is, step 102 may specifically be: and sending the configuration parameters when the semi-static reference signals are sent or received to the terminal side through high-layer signaling and/or physical layer control messages.
When the configuration parameter during sending or receiving the semi-static reference signal is sent to the terminal side in the third mode, in order to reduce the signaling trigger delay, the sending or receiving type indication parameter, the deactivation time domain offset parameter and/or the collision resolution indication parameter in the configuration parameter may be carried by the physical layer control message, and the rest parameters in the configuration parameter may be carried by the higher layer signaling, that is, the rest parameters except the parameters carried by the physical layer control message in the configuration parameter are carried by the higher layer signaling.
Therefore, after receiving the configuration parameters during the sending or receiving of the semi-static reference signals, the terminal can send uplink reference signals or receive downlink reference signals according to the configuration parameters during the sending or receiving of the semi-static reference signals.
When the received configuration parameter is a configuration parameter during sending of a semi-static reference signal, the semi-static reference signal can be an uplink sounding reference signal or an uplink demodulation reference signal; when the received configuration parameter is the configuration parameter when the semi-static reference signal is received, the semi-static reference signal may be a downlink channel state information reference signal or a downlink demodulation reference signal, which is not limited in the present invention.
Specifically, in the embodiment of the present invention, when multiple semi-static reference signals are triggered simultaneously and occupy the same time domain, frequency domain, space domain and code domain resources, according to a preset policy, the semi-static reference signal triggered last may be preferentially sent or received, or multiple semi-static reference signals may be sent or received in a cyclic manner, or multiple semi-static reference signals may be sent or received by offsetting a preset time domain symbol, or multiple semi-static reference signals may be sent or received by offsetting a preset frequency domain subcarrier.
And the solution strategy when collision occurs to different types of SRS transmission or reception can be:
1) if the non-periodic triggering mode, the periodic mode and the semi-static mode SRS sending or receiving occupy the same resource at the same time, the priority of the SRS sending or receiving can be the non-periodic triggering mode, the semi-static mode and the periodic mode in sequence;
2) if the SRS in the same type of aperiodic triggering mode, periodic mode, or semi-static mode simultaneously occupy the same resource, the SRS may preferentially transmit or receive the last triggered reference signal, or cyclically transmit or receive multiple reference signals, or transmit or receive multiple reference signals with a shift from a preset time domain symbol, or transmit or receive multiple reference signals with a shift from a preset frequency domain subcarrier.
According to the semi-static reference signal configuration method, the configuration parameters during the sending or receiving of the semi-static reference signals are determined, and the configuration parameters during the sending or receiving of the semi-static reference signals are sent to the terminal side, so that the terminal side sends uplink reference signals or receives downlink reference signals according to the received configuration parameters, signaling overhead can be reduced, power consumption of the terminal is reduced, waste of uplink resources is avoided, accuracy of channel measurement can be improved, and system transmission rate is further improved.
Second embodiment
Referring to fig. 2, a second embodiment of the present invention provides a method for transceiving semi-static reference signals, which is applied to a terminal and includes steps 201 to 202, which are described in detail below.
Step 201: and receiving the configuration parameters when the semi-static reference signals sent by the base station side are sent or received.
In this embodiment of the present invention, the configuration parameter when the semi-static reference signal received in step 201 is sent or received may include at least one of a sending or receiving type indication parameter, a deactivation time domain offset parameter, and a collision resolution indication parameter.
Wherein, the solution policy indicated by the conflict resolution indication parameter may be: the method comprises the steps of preferentially sending or receiving a finally triggered semi-static reference signal, circularly sending or receiving a plurality of semi-static reference signals, sending or receiving a plurality of semi-static reference signals by offsetting preset time domain symbols or sending or receiving a plurality of semi-static reference signals by offsetting preset frequency domain subcarriers.
Further, the configuration parameter may further include at least one of a time domain start position parameter, a time domain offset parameter, a frequency domain start position parameter, a frequency domain offset parameter, a frequency domain bandwidth parameter, a frequency hopping identification parameter, a reference signal type indication parameter, and an antenna port set identification parameter.
In the embodiment of the present invention, the configuration parameters during sending or receiving the semi-static reference signal may be a set corresponding to one or more system frequency bands, such as high frequency, low frequency, and the like. And, each system frequency band can correspond to a plurality of configuration parameters of the semi-static reference signal.
In the embodiment of the present invention, the base station side may at least adopt the following manner to send the configuration parameters:
in the first mode, the load is carried through a high-level signaling;
the second mode is that the physical layer controls the message bearing;
and the third mode is carried by high-layer signaling and physical layer control information.
That is, step 201 may specifically be: and receiving the configuration parameters sent or received by the semi-static reference signal sent by the base station side through high-layer signaling and/or physical layer control information.
When receiving the configuration parameters during the transmission or reception of the semi-static reference signal transmitted by the base station side through the high-layer signaling and the physical layer control message, in order to reduce the signaling trigger delay, the transmission or reception type indication parameter, the deactivation time domain offset parameter and/or the collision resolution indication parameter in the configuration parameters may be carried through the physical layer control message, and the rest parameters in the configuration parameters may be carried through the high-layer signaling, that is, the rest parameters except the parameters carried through the physical layer control message in the configuration parameters may be carried through the high-layer signaling.
Step 202: and sending an uplink reference signal or receiving a downlink reference signal according to the configuration parameters when the semi-static reference signal is sent or received.
In the embodiment of the present invention, when sending an uplink reference signal, the uplink reference signal may be an uplink sounding reference signal or an uplink demodulation reference signal; when receiving the downlink reference signal, the downlink reference signal may be a downlink channel state information reference signal or a downlink demodulation reference signal, and the present invention does not limit the present invention.
Specifically, when multiple semi-static reference signals are triggered simultaneously and occupy the same time domain, frequency domain, space domain and code domain resources, according to a preset strategy, the semi-static reference signal triggered last may be preferentially sent or received, or multiple semi-static reference signals may be sent or received in a cyclic manner, or multiple semi-static reference signals may be sent or received by offsetting a preset time domain symbol, or multiple semi-static reference signals may be sent or received by offsetting a preset frequency domain subcarrier.
Two transmission cases of the semi-static SRS in the embodiment of the present invention are illustrated with reference to fig. 3 and fig. 4.
Referring to fig. 3, a diagram of transmission of a semi-static SRS based on beamforming is shown. In this specific embodiment, the configuration parameters of the semi-static SRS may be received first, and then the SRS beam 0 is transmitted at the time domain starting position through the configuration parameters, a preconfigured time domain offset exists between the SRS beam 1 and the SRS beam 2, a preconfigured deactivation time domain offset exists between the SRS beam 3 and the SRS beam 0, and so on, so as to implement transmission of the semi-static SRS. Meanwhile, in combination with transmission of the beam-formed SRS, the semi-static SRS can measure multiple antenna ports.
Wherein, the multiple beam-formed SRSs in fig. 3 are transmitted in a time division manner; however, in order to measure the channel information quickly, the beamformed SRSs may also be transmitted in a frequency division manner.
Referring to fig. 4, a diagram of simultaneous transmission of semi-static SRSs of the same type is shown. In this embodiment, the same type of semi-static SRS0 and semi-static SRS1 simultaneously appear in one subframe, and when a collision occurs, the semi-static SRS0 and semi-static SRS1 are simultaneously transmitted by using a pre-configured collision resolution indication parameter, such as cyclic transmission of the semi-static SRS0 and the semi-static SRS 1.
According to the semi-static reference signal receiving and sending method, the configuration parameters sent by the base station side when the semi-static reference signals are sent or received are received, and the uplink reference signals are sent or received according to the configuration parameters sent or received by the semi-static reference signals, so that signaling overhead can be reduced, power consumption of a terminal is reduced, waste of uplink resources is avoided, accuracy of channel measurement can be improved, and system transmission rate is improved.
Third embodiment
Referring to fig. 5, a third embodiment of the present invention provides a base station, which corresponds to the semi-static reference signal configuration method shown in fig. 1, and can implement details of the semi-static reference signal configuration method in the first embodiment, and achieve the same effect. The base station comprises a determination module 51 and a transmission module 52, which are described in detail below.
The determining module 51 is configured to determine a configuration parameter when a semi-static reference signal is transmitted or received.
The sending module 52 is configured to send the configuration parameters determined by the determining module 51 when the semi-static reference signal is sent or received to the terminal side.
In this embodiment of the present invention, the configuration parameter includes at least one of a transmission or reception type indication parameter, a time domain deactivation offset parameter, and a collision resolution indication parameter.
Further, the configuration parameters further include at least one of a time domain start position parameter, a time domain offset parameter, a frequency domain start position parameter, a frequency domain offset parameter, a frequency domain bandwidth parameter, a frequency hopping identification parameter, a reference signal type indication parameter, and an antenna port set identification parameter.
Specifically, the solution policy indicated by the conflict resolution indication parameter is: the method comprises the steps of preferentially sending or receiving a finally triggered semi-static reference signal, circularly sending or receiving a plurality of semi-static reference signals, sending or receiving a plurality of semi-static reference signals by offsetting preset time domain symbols or sending or receiving a plurality of semi-static reference signals by offsetting preset frequency domain subcarriers.
In this embodiment of the present invention, the sending module 52 is specifically configured to:
and sending the configuration parameters when the semi-static reference signals are sent or received to a terminal side through high-layer signaling and/or physical layer control messages.
When the sending module 52 sends the configuration parameters during sending or receiving the semi-static reference signals to the terminal side through the high layer signaling and the physical layer control message, a sending or receiving type indication parameter, a deactivation time domain offset parameter and/or a collision resolution indication parameter in the configuration parameters are carried through the physical layer control message, and the rest parameters except the parameters carried through the physical layer control message in the configuration parameters are carried through the high layer signaling.
Specifically, when multiple semi-static reference signals are triggered simultaneously and occupy the same time domain, frequency domain, space domain and code domain resources, the semi-static reference signal triggered last is preferentially sent or received, or multiple semi-static reference signals are sent or received in a circulating manner, or multiple semi-static reference signals are sent or received by offsetting preset multiple time domain symbols, or multiple semi-static reference signals are sent or received by offsetting preset multiple frequency domain subcarriers.
Specifically, when the determining module 51 determines that the configuration parameter is a configuration parameter when a semi-static reference signal is sent, the semi-static reference signal is an uplink sounding reference signal or an uplink demodulation reference signal; when the determining module 51 determines the configuration parameter when the semi-static reference signal is received, the semi-static reference signal is a downlink channel state information reference signal or a downlink demodulation reference signal.
Specifically, the configuration parameters when the semi-static reference signal is transmitted or received correspond to one or more system frequency bands.
According to the base station provided by the embodiment of the invention, the configuration parameters of the semi-static reference signal during sending or receiving are determined, and the configuration parameters of the semi-static reference signal during sending or receiving are sent to the terminal side, so that the terminal side sends the uplink reference signal or receives the downlink reference signal according to the received configuration parameters, the signaling overhead can be reduced, the power consumption of the terminal is reduced, the waste of uplink resources is avoided, the accuracy of channel measurement can be improved, and the transmission rate of a system is further improved.
Fourth embodiment
Referring to fig. 6, a fourth embodiment of the present invention provides a mobile terminal, which corresponds to the method for receiving and sending semi-static reference signals shown in fig. 2, and can implement the details of the method for receiving and sending semi-static reference signals in the second embodiment, and achieve the same effects. The mobile terminal comprises a receiving module 61 and a processing module 62, which are described in detail below.
The receiving module 61 is configured to receive a configuration parameter when a semi-static reference signal sent by a base station side is sent or received;
the processing module 62 is configured to perform uplink reference signal transmission or downlink reference signal reception according to the configuration parameter when the semi-static reference signal received by the receiving module 61 is transmitted or received.
In this embodiment of the present invention, the configuration parameter includes at least one of a transmission or reception type indication parameter, a time domain deactivation offset parameter, and a collision resolution indication parameter.
Further, the configuration parameters further include at least one of a time domain start position parameter, a time domain offset parameter, a frequency domain start position parameter, a frequency domain offset parameter, a frequency domain bandwidth parameter, a frequency hopping identification parameter, a reference signal type indication parameter, and an antenna port set identification parameter.
Specifically, the solution policy indicated by the conflict resolution indication parameter is: the method comprises the steps of preferentially sending or receiving a finally triggered semi-static reference signal, circularly sending or receiving a plurality of semi-static reference signals, sending or receiving a plurality of semi-static reference signals by offsetting preset time domain symbols or sending or receiving a plurality of semi-static reference signals by offsetting preset frequency domain subcarriers.
In this embodiment of the present invention, the receiving module 61 is specifically configured to:
and receiving the configuration parameters sent or received by the semi-static reference signal sent by the base station side through high-layer signaling and/or physical layer control information.
When the receiving module 61 receives the configuration parameters during transmission or reception of the semi-static reference signal transmitted by the base station side through a high-level signaling and a physical-layer control message, a transmission or reception type indication parameter, a deactivation time domain offset parameter and/or a collision resolution indication parameter in the configuration parameters are carried through the physical-layer control message, and the rest parameters except the parameters carried through the physical-layer control message in the configuration parameters are carried through the high-level signaling.
Specifically, when multiple semi-static reference signals are triggered simultaneously and occupy the same time domain, frequency domain, space domain and code domain resources, the semi-static reference signal triggered last is preferentially sent or received, or multiple semi-static reference signals are sent or received in a circulating manner, or multiple semi-static reference signals are sent or received by offsetting preset multiple time domain symbols, or multiple semi-static reference signals are sent or received by offsetting preset multiple frequency domain subcarriers.
Specifically, when the processing module 62 sends an uplink reference signal, the uplink reference signal may be an uplink sounding reference signal or an uplink demodulation reference signal; when the processing module 62 receives a downlink reference signal, the downlink reference signal may be a downlink channel state information reference signal or a downlink demodulation reference signal.
Specifically, the configuration parameters when the semi-static reference signal is transmitted or received correspond to one or more system frequency bands.
According to the mobile terminal provided by the embodiment of the invention, the uplink reference signal is sent or the downlink reference signal is received by receiving the configuration parameters sent or received by the semi-static reference signal sent by the base station side according to the configuration parameters sent or received by the semi-static reference signal, so that the signaling overhead can be reduced, the power consumption of the terminal can be reduced, the waste of uplink resources can be avoided, the accuracy of channel measurement can be improved, and the transmission rate of a system can be further improved.
Fifth embodiment
Referring to fig. 7, a fifth embodiment of the present invention provides a base station including a first bus 71, a first transceiver 72, an antenna 73, a first bus interface 74, a first processor 75 and a first memory 76.
The first processor 75, configured to read the program in the first memory 76, performs the following processes:
determining the configuration parameters when the semi-static reference signal is transmitted or received, and controlling the first transceiver 72 to transmit the configuration parameters when the semi-static reference signal is transmitted or received to the terminal side.
A first transceiver 72 for receiving and transmitting data under the control of a first processor 75.
Specifically, the configuration parameter includes at least one of a transmission or reception type indication parameter, a deactivation time domain offset parameter, and a collision resolution indication parameter.
Further, the configuration parameters further include at least one of a time domain start position parameter, a time domain offset parameter, a frequency domain start position parameter, a frequency domain offset parameter, a frequency domain bandwidth parameter, a frequency hopping identification parameter, a reference signal type indication parameter, and an antenna port set identification parameter.
Specifically, the solution policy indicated by the conflict resolution indication parameter is: the method comprises the steps of preferentially sending or receiving a finally triggered semi-static reference signal, circularly sending or receiving a plurality of semi-static reference signals, sending or receiving a plurality of semi-static reference signals by offsetting preset time domain symbols or sending or receiving a plurality of semi-static reference signals by offsetting preset frequency domain subcarriers.
Specifically, the first processor 75 is further configured to: and controlling the first transceiver 72 to send the configuration parameters of the semi-static reference signal in sending or receiving to the terminal side through high-layer signaling and/or physical layer control messages.
Specifically, when the configuration parameters during the transmission or reception of the semi-static reference signals are transmitted to the terminal side through the high-level signaling and the physical-layer control message, the transmission or reception type indication parameters, the deactivation time domain offset parameters, and/or the collision resolution indication parameters in the configuration parameters are carried through the physical-layer control message, and the other parameters except the parameters carried through the physical-layer control message in the configuration parameters are carried through the high-level signaling.
Specifically, when multiple semi-static reference signals are triggered simultaneously and occupy the same time domain, frequency domain, space domain and code domain resources, the semi-static reference signal triggered last is preferentially sent or received, or multiple semi-static reference signals are sent or received in a circulating manner, or multiple semi-static reference signals are sent or received by offsetting preset multiple time domain symbols, or multiple semi-static reference signals are sent or received by offsetting preset multiple frequency domain subcarriers.
Specifically, when the configuration parameter is a configuration parameter when a semi-static reference signal is sent, the semi-static reference signal is an uplink sounding reference signal or an uplink demodulation reference signal; and when the configuration parameter is the configuration parameter when the semi-static reference signal is received, the semi-static reference signal is a downlink channel state information reference signal or a downlink demodulation reference signal.
Specifically, the configuration parameters when the semi-static reference signal is transmitted or received correspond to one or more system frequency bands.
In fig. 7, a bus architecture (represented by a first bus 71), the first bus 71 may include any number of interconnected buses and bridges, with the first bus 71 linking together various circuits including one or more processors represented by a first processor 75 and a memory represented by a first memory 76. The first bus 71 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A first bus interface 74 provides an interface between the first bus 71 and the first transceiver 72. The first transceiver 72 may be one element or may be multiple elements, such as multiple receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the first processor 75 is transmitted over a wireless medium via the antenna 73, and further, the antenna 73 receives the data and transmits the data to the first processor 75.
The first processor 75 is responsible for managing the first bus 71 and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. While the first memory 76 may be used to store data used by the first processor 75 in performing operations.
Alternatively, the first processor 74 may be a CPU, ASIC, FPGA, or CPLD.
Sixth embodiment
Referring to fig. 8, a seventh embodiment of the present invention provides a terminal including a second bus 81, a second processor 82, a second transceiver 83, a second bus interface 84, a second memory 85, and a user interface 86.
The second processor 82 is configured to read the program in the second memory 85, and execute the following processes:
and controlling the second transceiver 83 to receive the configuration parameters when the semi-static reference signal sent by the base station side is sent or received, and sending the uplink reference signal or receiving the downlink reference signal according to the configuration parameters when the semi-static reference signal is sent or received.
A second transceiver 83 for receiving and transmitting data under the control of the second processor 82.
Specifically, the configuration parameter includes at least one of a transmission or reception type indication parameter, a deactivation time domain offset parameter, and a collision resolution indication parameter.
Further, the configuration parameters further include at least one of a time domain start position parameter, a time domain offset parameter, a frequency domain start position parameter, a frequency domain offset parameter, a frequency domain bandwidth parameter, a frequency hopping identification parameter, a reference signal type indication parameter, and an antenna port set identification parameter.
Specifically, the solution policy indicated by the conflict resolution indication parameter is: the method comprises the steps of preferentially sending or receiving a finally triggered semi-static reference signal, circularly sending or receiving a plurality of semi-static reference signals, sending or receiving a plurality of semi-static reference signals by offsetting preset time domain symbols or sending or receiving a plurality of semi-static reference signals by offsetting preset frequency domain subcarriers.
Specifically, the second processor 82 is further configured to: and controlling the second transceiver 83 to receive the configuration parameters when the semi-static reference signal sent by the base station side is sent or received through a high-layer signaling and/or a physical layer control message.
Specifically, when the configuration parameters during the sending or receiving of the semi-static reference signal are sent to the terminal side through a high-level signaling and a physical-layer control message, a sending or receiving type indication parameter, a deactivation time domain offset parameter and/or a collision resolution indication parameter in the configuration parameters are carried through the physical-layer control message, and the other parameters except the parameters carried through the physical-layer control message in the configuration parameters are carried through the high-level signaling.
Specifically, when multiple semi-static reference signals are triggered simultaneously and occupy the same time domain, frequency domain, space domain and code domain resources, the semi-static reference signal triggered last is preferentially sent or received, or multiple semi-static reference signals are sent or received in a circulating manner, or multiple semi-static reference signals are sent or received by offsetting preset multiple time domain symbols, or multiple semi-static reference signals are sent or received by offsetting preset multiple frequency domain subcarriers.
Specifically, when the second transceiver 83 transmits an uplink reference signal, the uplink reference signal is an uplink sounding reference signal or an uplink demodulation reference signal; when the second transceiver 83 receives the downlink reference signal, the downlink reference signal is a downlink channel state information reference signal or a downlink demodulation reference signal.
Specifically, the configuration parameters when the semi-static reference signal is transmitted or received correspond to one or more system frequency bands.
In fig. 8, a bus architecture (represented by a second bus 81), the second bus 81 may include any number of interconnected buses and bridges, the second bus 81 linking together various circuits including one or more processors represented by a general purpose second processor 82 and a memory represented by a second memory 85. The second bus 81 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A second bus interface 84 provides an interface between the second bus 81 and a second transceiver 83. The second transceiver 83 may be one element or may be multiple elements, such as multiple receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. For example: the second transceiver 83 receives external data from other devices. The second transceiver 83 is used for transmitting the data processed by the second processor 82 to other devices. Depending on the nature of the computing system, a user interface 86 may also be provided, such as a keypad, display, speaker, microphone, joystick.
The second processor 82 is responsible for managing the second bus 81 and the usual processes, running a general purpose operating system as described previously. While the second memory 85 may be used to store data used by the second processor 82 in performing operations.
Alternatively, the second processor 82 may be a CPU, ASIC, FPGA or CPLD.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (32)
1. A method for configuring semi-static reference signals, comprising:
determining configuration parameters when semi-static reference signals are transmitted or received;
sending the configuration parameters of the semi-static reference signals during sending or receiving to a terminal side;
wherein the configuration parameter comprises at least one of a transmission or reception type indication parameter, a deactivation time domain offset parameter and a conflict resolution indication parameter;
the sending or receiving type indication parameter is used for indicating that: the method comprises the following steps that a semi-static reference signal starts to be sent or received, the semi-static reference signal stops being sent or received, a periodic reference signal is sent or received, or the reference signal is triggered to be sent or received non-periodically;
the deactivation time domain offset parameter is used for indicating that: the semi-static reference signal deactivates the symbol or subframe, the offset to the initial transmission symbol or subframe; or, the semi-static reference signal deactivates the symbol or subframe, the offset from the starting received symbol or subframe;
the conflict resolution indication parameter is used for indicating that: a solution strategy when a conflict occurs in the sending or receiving of the semi-static reference signals;
the semi-static reference signal is a signal which is triggered once and can be sent for multiple times.
2. The method of claim 1, wherein the configuration parameters further comprise at least one of a time domain starting position parameter, a time domain offset parameter, a frequency domain starting position parameter, a frequency domain offset parameter, a frequency domain bandwidth parameter, a frequency hopping identification parameter, a reference signal type indication parameter, and an antenna port set identification parameter.
3. The method of claim 1, wherein the conflict resolution indication parameter indicates a resolution policy of: the method comprises the steps of preferentially sending or receiving a finally triggered semi-static reference signal, circularly sending or receiving a plurality of semi-static reference signals, sending or receiving a plurality of semi-static reference signals by offsetting preset time domain symbols or sending or receiving a plurality of semi-static reference signals by offsetting preset frequency domain subcarriers.
4. The method according to claim 1, wherein the step of sending the configuration parameters of the semi-static reference signals to the terminal side comprises:
and sending the configuration parameters when the semi-static reference signals are sent or received to a terminal side through high-layer signaling and/or physical layer control messages.
5. The method according to claim 4, wherein when the configuration parameters during the transmission or reception of the semi-static reference signals are transmitted to the terminal side through a higher layer signaling and a physical layer control message, a transmission or reception type indication parameter, a deactivation time domain offset parameter and/or a collision resolution indication parameter in the configuration parameters are carried through the physical layer control message, and the rest parameters except the parameters carried through the physical layer control message in the configuration parameters are carried through the higher layer signaling.
6. The method according to any of claims 1-5, wherein when multiple semi-static reference signals are triggered simultaneously and occupy the same time, frequency, space and code domain resources, the method preferentially sends or receives the semi-static reference signal triggered last, or cyclically sends or receives multiple semi-static reference signals, or multiple semi-static reference signals are sent or received with an offset of a preset number of time domain symbols, or multiple semi-static reference signals are sent or received with an offset of a preset number of frequency domain subcarriers.
7. The method according to any one of claims 1 to 5,
when the configuration parameter is a configuration parameter during sending of a semi-static reference signal, the semi-static reference signal is an uplink sounding reference signal or an uplink demodulation reference signal;
and when the configuration parameter is the configuration parameter when the semi-static reference signal is received, the semi-static reference signal is a downlink channel state information reference signal or a downlink demodulation reference signal.
8. The method according to any of claims 1-5, wherein the configuration parameters for the semi-static reference signal transmission or reception correspond to one or more system frequency bands.
9. A method for transceiving semi-static reference signals, comprising:
receiving configuration parameters when semi-static reference signals sent by a base station side are sent or received;
sending an uplink reference signal or receiving a downlink reference signal according to the configuration parameters when the semi-static reference signal is sent or received;
wherein the configuration parameter comprises at least one of a transmission or reception type indication parameter, a deactivation time domain offset parameter and a conflict resolution indication parameter;
the sending or receiving type indication parameter is used for indicating that: the method comprises the following steps that a semi-static reference signal starts to be sent or received, the semi-static reference signal stops being sent or received, a periodic reference signal is sent or received, or the reference signal is triggered to be sent or received non-periodically;
the deactivation time domain offset parameter is used for indicating that: the semi-static reference signal deactivates the symbol or subframe, the offset to the initial transmission symbol or subframe; or, the semi-static reference signal deactivates the symbol or subframe, the offset from the starting received symbol or subframe;
the conflict resolution indication parameter is used for indicating that: a solution strategy when a conflict occurs in the sending or receiving of the semi-static reference signals;
the semi-static reference signal is a signal which is triggered once and can be sent for multiple times.
10. The method of claim 9, wherein the configuration parameters further comprise at least one of a time domain starting position parameter, a time domain offset parameter, a frequency domain starting position parameter, a frequency domain offset parameter, a frequency domain bandwidth parameter, a frequency hopping identification parameter, a reference signal type indication parameter, and an antenna port set identification parameter.
11. The method of claim 9, wherein the conflict resolution indication parameter indicates a resolution policy of: the method comprises the steps of preferentially sending or receiving a finally triggered semi-static reference signal, circularly sending or receiving a plurality of semi-static reference signals, sending or receiving a plurality of semi-static reference signals by offsetting preset time domain symbols or sending or receiving a plurality of semi-static reference signals by offsetting preset frequency domain subcarriers.
12. The method of claim 9, wherein the step of receiving the configuration parameters during transmission or reception of the semi-static reference signals transmitted by the base station comprises:
and receiving the configuration parameters sent or received by the semi-static reference signal sent by the base station side through high-layer signaling and/or physical layer control information.
13. The method according to claim 12, when receiving the configuration parameters during transmission or reception of the semi-static reference signal transmitted by the base station side through a higher layer signaling and a physical layer control message, wherein a transmission or reception type indication parameter, a deactivation time domain offset parameter and/or a collision resolution indication parameter in the configuration parameters are carried through the physical layer control message, and the remaining parameters except the parameters carried through the physical layer control message in the configuration parameters are carried through the higher layer signaling.
14. The method according to any of claims 9-13, wherein when multiple semi-static reference signals are triggered simultaneously and occupy the same time, frequency, space and code domain resources, the method preferentially sends or receives the last triggered semi-static reference signal, or cyclically sends or receives multiple semi-static reference signals, or multiple semi-static reference signals are sent or received with an offset of a preset number of time domain symbols, or multiple semi-static reference signals are sent or received with an offset of a preset number of frequency domain subcarriers.
15. The method according to any one of claims 9 to 13,
when uplink reference signal transmission is carried out, the uplink reference signal is an uplink sounding reference signal or an uplink demodulation reference signal;
when receiving a downlink reference signal, the downlink reference signal is a downlink channel state information reference signal or a downlink demodulation reference signal.
16. The method according to any of claims 9-13, wherein the configuration parameters for the semi-static reference signal transmission or reception correspond to one or more system frequency bands.
17. A base station, comprising:
the determining module is used for determining configuration parameters when the semi-static reference signals are transmitted or received;
a sending module, configured to send the configuration parameters determined by the determining module when the semi-static reference signal is sent or received to a terminal side;
wherein the configuration parameter comprises at least one of a transmission or reception type indication parameter, a deactivation time domain offset parameter and a conflict resolution indication parameter;
the sending or receiving type indication parameter is used for indicating that: the method comprises the following steps that a semi-static reference signal starts to be sent or received, the semi-static reference signal stops being sent or received, a periodic reference signal is sent or received, or the reference signal is triggered to be sent or received non-periodically;
the deactivation time domain offset parameter is used for indicating that: the semi-static reference signal deactivates the symbol or subframe, the offset to the initial transmission symbol or subframe; or, the semi-static reference signal deactivates the symbol or subframe, the offset from the starting received symbol or subframe;
the conflict resolution indication parameter is used for indicating that: a solution strategy when a conflict occurs in the sending or receiving of the semi-static reference signals;
the semi-static reference signal is a signal which is triggered once and can be sent for multiple times.
18. The base station of claim 17, wherein the configuration parameters further comprise at least one of a time domain starting position parameter, a time domain offset parameter, a frequency domain starting position parameter, a frequency domain offset parameter, a frequency domain bandwidth parameter, a frequency hopping identification parameter, a reference signal type indication parameter, and an antenna port set identification parameter.
19. The base station of claim 17, wherein the conflict resolution indication parameter indicates a resolution policy of: the method comprises the steps of preferentially sending or receiving a finally triggered semi-static reference signal, circularly sending or receiving a plurality of semi-static reference signals, sending or receiving a plurality of semi-static reference signals by offsetting preset time domain symbols or sending or receiving a plurality of semi-static reference signals by offsetting preset frequency domain subcarriers.
20. The base station of claim 17, wherein the sending module is specifically configured to:
and sending the configuration parameters when the semi-static reference signals are sent or received to a terminal side through high-layer signaling and/or physical layer control messages.
21. The base station according to claim 20, wherein when the sending module sends the configuration parameters during sending or receiving the semi-static reference signals to the terminal side through the higher layer signaling and the physical layer control message, a sending or receiving type indication parameter, a deactivation time domain offset parameter and/or a collision resolution indication parameter in the configuration parameters are carried through the physical layer control message, and the remaining parameters except the parameters carried through the physical layer control message in the configuration parameters are carried through the higher layer signaling.
22. The base station according to any of claims 17-21, wherein when multiple semi-static reference signals are triggered simultaneously and occupy the same time, frequency, space and code domain resources, the method preferentially sends or receives the semi-static reference signal triggered last, or cyclically sends or receives multiple semi-static reference signals, or multiple semi-static reference signals are sent or received with an offset of a preset number of time domain symbols, or multiple semi-static reference signals are sent or received with an offset of a preset number of frequency domain subcarriers.
23. The base station according to any of claims 17-21,
when the determining module determines that the configuration parameter is a configuration parameter when a semi-static reference signal is sent, the semi-static reference signal is an uplink sounding reference signal or an uplink demodulation reference signal;
when the determining module determines the configuration parameters when the semi-static reference signal is received, the semi-static reference signal is a downlink channel state information reference signal or a downlink demodulation reference signal.
24. The base station according to any of claims 17-21, wherein the configuration parameters for the semi-static reference signal transmission or reception correspond to one or more system frequency bands.
25. A terminal, comprising:
the receiving module is used for receiving configuration parameters when the semi-static reference signals sent by the base station side are sent or received;
the processing module is used for sending an uplink reference signal or receiving a downlink reference signal according to the configuration parameters received by the receiving module when the semi-static reference signal is sent or received;
wherein the configuration parameter comprises at least one of a transmission or reception type indication parameter, a deactivation time domain offset parameter and a conflict resolution indication parameter;
the sending or receiving type indication parameter is used for indicating that: the method comprises the following steps that a semi-static reference signal starts to be sent or received, the semi-static reference signal stops being sent or received, a periodic reference signal is sent or received, or the reference signal is triggered to be sent or received non-periodically;
the deactivation time domain offset parameter is used for indicating that: the semi-static reference signal deactivates the symbol or subframe, the offset to the initial transmission symbol or subframe; or, the semi-static reference signal deactivates the symbol or subframe, the offset from the starting received symbol or subframe;
the conflict resolution indication parameter is used for indicating that: a solution strategy when a conflict occurs in the sending or receiving of the semi-static reference signals;
the semi-static reference signal is a signal which is triggered once and can be sent for multiple times.
26. The terminal of claim 25, wherein the configuration parameters further comprise at least one of a time domain starting position parameter, a time domain offset parameter, a frequency domain starting position parameter, a frequency domain offset parameter, a frequency domain bandwidth parameter, a frequency hopping identification parameter, a reference signal type indication parameter, and an antenna port set identification parameter.
27. The terminal of claim 25, wherein the conflict resolution indication parameter indicates a resolution policy of: the method comprises the steps of preferentially sending or receiving a finally triggered semi-static reference signal, circularly sending or receiving a plurality of semi-static reference signals, sending or receiving a plurality of semi-static reference signals by offsetting preset time domain symbols or sending or receiving a plurality of semi-static reference signals by offsetting preset frequency domain subcarriers.
28. The terminal of claim 25, wherein the receiving module is specifically configured to:
and receiving the configuration parameters sent or received by the semi-static reference signal sent by the base station side through high-layer signaling and/or physical layer control information.
29. The terminal according to claim 28, wherein when the receiving module receives, through a higher layer signaling and a physical layer control message, the configuration parameters during transmission or reception of the semi-static reference signal transmitted by the base station side, a transmission or reception type indication parameter, a deactivation time domain offset parameter, and/or a collision resolution indication parameter in the configuration parameters are carried through the physical layer control message, and the remaining parameters except the parameters carried through the physical layer control message in the configuration parameters are carried through the higher layer signaling.
30. The terminal according to any of claims 25-29, wherein when multiple semi-static reference signals are triggered simultaneously and occupy the same time, frequency, space and code domain resources, the terminal preferentially sends or receives the last triggered semi-static reference signal, or cyclically sends or receives multiple semi-static reference signals, or multiple semi-static reference signals are sent or received with an offset of a preset number of time domain symbols, or multiple semi-static reference signals are sent or received with an offset of a preset number of frequency domain subcarriers.
31. The terminal according to any of claims 25-29,
when the processing module sends an uplink reference signal, the uplink reference signal is an uplink sounding reference signal or an uplink demodulation reference signal;
when the processing module receives a downlink reference signal, the downlink reference signal is a downlink channel state information reference signal or a downlink demodulation reference signal.
32. The terminal according to any of claims 25-29, wherein the configuration parameters for transmission or reception of the semi-static reference signals correspond to one or more system frequency bands.
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| CN110831021B (en) * | 2018-08-07 | 2023-03-28 | 中国移动通信有限公司研究院 | Signal transmission method and communication equipment |
| CN110943816B (en) * | 2018-09-21 | 2021-06-15 | 维沃移动通信有限公司 | Resource allocation method, terminal and network equipment |
| WO2020073203A1 (en) * | 2018-10-09 | 2020-04-16 | Oppo广东移动通信有限公司 | Resource configuration method and apparatus, and communication device |
| CN111148191B (en) * | 2018-11-02 | 2022-09-02 | 展讯通信（上海）有限公司 | Method and device for determining and configuring resources of wake-up signal, terminal and base station |
| WO2020155188A1 (en) * | 2019-02-03 | 2020-08-06 | 华为技术有限公司 | Communication method, apparatus, and system |
| CN112019312B (en) * | 2019-05-31 | 2023-06-16 | 中兴通讯股份有限公司 | Service processing method and device and Internet of vehicles equipment |
| CN116209079A (en) * | 2020-02-14 | 2023-06-02 | 中兴通讯股份有限公司 | Configuration for reference signaling in a wireless communication system |
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