WO2017193727A1 - Procédé de transmission de signal de référence, dispositif de réseau, équipement utilisateur et système de communication - Google Patents

Procédé de transmission de signal de référence, dispositif de réseau, équipement utilisateur et système de communication Download PDF

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Publication number
WO2017193727A1
WO2017193727A1 PCT/CN2017/078917 CN2017078917W WO2017193727A1 WO 2017193727 A1 WO2017193727 A1 WO 2017193727A1 CN 2017078917 W CN2017078917 W CN 2017078917W WO 2017193727 A1 WO2017193727 A1 WO 2017193727A1
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WO
WIPO (PCT)
Prior art keywords
time
antenna port
frequency resource
reference signal
demodulation
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PCT/CN2017/078917
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English (en)
Chinese (zh)
Inventor
毕晓艳
刘瑾
吴晔
杭海存
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华为技术有限公司
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Publication of WO2017193727A1 publication Critical patent/WO2017193727A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Definitions

  • Embodiments of the present application relate to the field of communications, and more particularly, to a reference signal transmission method, a network device, a user equipment, and a communication system.
  • M-MIMO Massive-MIMO
  • RS Reference Signal
  • CSI-RS channel state information reference signal
  • DMRS Demodulation Reference Signal
  • a method for transmitting a reference signal comprising: the network device transmitting a measurement configuration parameter and a demodulation configuration parameter, the measurement configuration parameter including at least one first antenna for transmitting a reference signal for measurement Port set information, the demodulation configuration parameter includes at least one second antenna port set information for transmitting a reference signal for demodulation, the first antenna port set and the second antenna port set belonging to a universal reference signal antenna port set Each antenna port of the universal reference signal antenna port set can be used to transmit both a reference signal for measurement and a reference signal for demodulation; an antenna of the network device in the first antenna port set A reference signal for measurement is transmitted on the port; the network device transmits a reference signal for demodulation on an antenna port in the second set of antenna ports.
  • the specific configuration is as follows: the measurement configuration parameter further includes information about the at least one first time-frequency resource, where the at least one first time-frequency resource is used by the network device And transmitting, by the at least one first time-frequency resource and the first antenna port set, a reference signal for measurement; the demodulation configuration parameter further includes information of at least one second time-frequency resource, where the at least one second time-frequency resource is used for the The network device is in the at least one A reference signal for demodulation is transmitted on the second time-frequency resource and the second set of antenna ports.
  • the specific reference signal antenna port set is divided into N mutually disjoint third antenna port sets, where the N
  • the set of third antenna ports that do not intersect each other includes the same number of antenna ports, where N is a positive integer greater than 1, and each time-frequency resource including the first time-frequency resource and the second time-frequency resource Corresponding to one of the third antenna port sets respectively.
  • the third antenna port set corresponding to the first time-frequency resource is divided into multiple antenna port sub-groups, where The first antenna port set information is specifically: each antenna port subgroup of the third antenna port set corresponding to the first time-frequency resource uses one bit to indicate whether to transmit a reference signal for measurement.
  • the first time-frequency resource is divided into multiple time-frequency sub-resources, where the first time-frequency resource is corresponding to Each antenna port subgroup in the third set of antenna ports corresponds to a time-frequency sub-resource of the first time-frequency resource.
  • the specific implementation is: the at least one The first time-frequency resource and the at least one second time-frequency resource both include a third time-frequency resource, and the first antenna port set and the second antenna port set both include a first antenna port, wherein, in the third The time-frequency resource and the reference signal transmitted on the first antenna port are used for both measurement and demodulation.
  • the specific implementation is: the first The information of the time-frequency resource includes frequency domain resource information and time domain unit information; the information of the second time-frequency resource includes frequency domain resource information and time domain unit information.
  • the specific implementation is: the first The time-frequency resource includes W resource block RBs, and the W RBs include a time domain unit in the time domain, the W RBs are smaller than the system bandwidth in the frequency domain; and/or the second time-frequency resource includes W resource blocks.
  • RB, and W RBs include a time domain unit in the time domain, the W RBs being smaller than the system bandwidth in the frequency domain; wherein W is a positive integer.
  • the measurement configuration is sent
  • the parameter and the demodulation configuration parameter are specifically implemented as: sending a first message, where the first message includes the measurement configuration parameter and the demodulation configuration parameter.
  • the measurement configuration is sent
  • the parameter and the demodulation configuration parameter are specifically implemented as: sending a second message, where the second message includes the measurement configuration parameter, and sending a third message, where the third message includes the demodulation configuration parameter.
  • a network device is proposed for performing the method of the first aspect or a possible implementation of any of the aspects of the first aspect.
  • the apparatus may comprise means for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • another network device comprising a processor, a transmitter and a receiver for performing any of the possible implementations of the first aspect or the first aspect by the transmitter and the receiver Party law.
  • a computer readable storage medium for storing a computer program comprising instructions for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • a method for transmitting a reference signal comprising: receiving a measurement configuration parameter and a demodulation configuration parameter sent by a network device, where the measurement configuration parameter includes at least one reference for the network device to send for measurement First antenna port set information of the signal, the demodulation configuration parameter including at least one second antenna port set information for the network device to transmit a reference signal for demodulation, the first antenna port set and the second antenna port
  • the set belongs to a universal reference signal antenna port set, and each antenna port of the universal reference signal antenna port set can be used for both the network device to transmit a reference signal for measurement and the network device to send a reference signal for demodulation.
  • the specific implementation is that the measurement configuration parameter further includes information about the at least one first time-frequency resource, where the at least one first time-frequency resource is used by the network device And transmitting, by the at least one first time-frequency resource and the first antenna port set, a reference signal for measurement; the demodulation configuration parameter further includes information of at least one second time-frequency resource, where the at least one second time-frequency resource is used for the The network device transmits a reference signal for demodulation on the at least one second time-frequency resource and the second set of antenna ports.
  • the specific reference signal antenna port set is divided into N mutually disjoint third antenna port sets, where the N The set of third antenna ports that do not intersect each other includes the same number of antenna ports, where N is a positive integer greater than 1, and each time-frequency resource including the first time-frequency resource and the second time-frequency resource Corresponding to one of the third antenna port sets respectively.
  • the third antenna port set corresponding to the first time-frequency resource is divided into multiple antenna port sub-groups, where The first antenna port set information is specifically: each antenna port subgroup of the third antenna port set corresponding to the first time-frequency resource uses one bit to indicate whether the network device sends a reference signal for measurement.
  • the first time-frequency resource is divided into multiple time-frequency sub-resources, where the first time-frequency resource is corresponding to Each antenna port subgroup in the third set of antenna ports corresponds to a time-frequency sub-resource of the first time-frequency resource.
  • the specific implementation is: the at least one The first time-frequency resource and the at least one second time-frequency resource both include a third time-frequency resource, and the first antenna port set and the second antenna port set both include a first antenna port, wherein, in the third The time-frequency resource and the reference signal received on the first antenna port are used for both measurement and demodulation.
  • the specific implementation is: the first The information of the time-frequency resource includes frequency domain resource information and time domain unit information; and the information of the second time-frequency resource includes frequency domain resource information and time domain unit information.
  • the specific implementation is: the first The time-frequency resource includes W resource block RBs, and the W RBs include a time domain unit in the time domain, and the W RBs are smaller than the system in the frequency domain. Bandwidth; and/or the second time-frequency resource includes W resource blocks RB, and the W RBs include a time domain unit in the time domain, the W RBs being smaller than the system bandwidth in the frequency domain; wherein W is a positive integer .
  • the receiving network device The measurement configuration parameter and the demodulation configuration parameter are sent by: receiving the first message, where the first message includes the measurement configuration parameter and the demodulation configuration parameter.
  • the receiving network device The measurement configuration parameter and the demodulation configuration parameter are sent as follows: receiving the second message, the second message includes the measurement configuration parameter, and receiving the third message, where the third message includes the demodulation configuration parameter.
  • a user equipment is presented for performing the method of a possible implementation of the fifth aspect or the fifth aspect.
  • the apparatus may comprise means for performing the method of any of the possible implementations of the fifth or fifth aspect.
  • another user equipment comprising a memory for storing instructions for executing instructions stored in the memory, and a processor for causing the processor to execute the instructions stored in the memory Performing the method of the first aspect or any possible implementation of the first aspect.
  • a computer readable storage medium for storing a computer program comprising instructions for performing the method of any of the fifth or fifth aspects of the possible implementation.
  • a communication system comprising:
  • the reference signal transmission method, the network device, the user equipment, and the communication system in the embodiments of the present application transmit all the measurement of the configuration parameters and the demodulation configuration parameters, and all or part of the antenna port resources are used for signal measurement, and Data demodulation, thereby saving resource overhead of reference signals and improving utilization of reference signal resources.
  • 1 is a system block diagram of an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a beam direction division after a network device divides a space of a transmitting antenna according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of an example of configuring a network port for a time-frequency resource by a network device according to an embodiment of the present application.
  • Figure 4 shows the pattern of a time-frequency resource reference signal.
  • FIG. 6 is another flow chart of interaction between a network device and a UE for performing reference signal transmission according to an embodiment of the present application.
  • FIG. 7 is another flow chart of interaction between a network device and a UE for performing reference signal transmission according to an embodiment of the present application.
  • FIG. 8 is another flow chart of interaction between a network device and a UE for performing reference signal transmission according to an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a user equipment according to an embodiment of the present application.
  • the embodiment of the present application relates to a universal reference signal, which can be used for channel measurement and data demodulation.
  • a universal reference signal which can be used for channel measurement and data demodulation.
  • the name of the general reference signal is known to those skilled in the art to be replaced by other names, and is also within the scope of the present application.
  • a set of ports that can be used to transmit the universal reference signal which may be referred to as a general reference signal antenna port set.
  • the name of the universal reference signal antenna port set is known to those skilled in the art and may be replaced by other names. protected range.
  • FIG. 1 shows a schematic diagram of a communication system 100 in which embodiments of the present application can be employed.
  • the communication system 100 includes a network device 200 and a UE.
  • the communication system 100 can be various communication systems, such as: Global System of Mobile communication (GSM), Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple) Access Wireless, WCDMA), General Packet Radio Service (GPRS), Long Term Evolution (LTE), etc.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • UE User Equipment
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • PLMN public land mobile network
  • the network device may be a device for communicating with the mobile device, and the network device may be a Global System of Mobile communication (GSM) or a base station in a Code Division Multiple Access (CDMA) (Base Transceiver Station, BTS), which may also be a base station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA), or an eNB or an evolved base station in Long Term Evolution (LTE) (Evolutional Node B, eNodeB) or access point, or in-vehicle device, wearable device, network-side device in a future 5G network or a network device in a future evolved Public Land Mobile Network (PLMN) network.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • BTS Base Transceiver Station
  • NodeB, NB Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • eNB evolved base station in Long Term Evolution (LTE) (Evolutional Node B, eNodeB) or
  • FIG. 2 is a schematic diagram of a beam direction division after a network device divides a space of a transmitting antenna according to an embodiment of the present application.
  • the network device can divide the space of the transmitting antenna into 32 beams (which can be called Beam) in English.
  • a Beam direction may be configured for the transmitted reference signal, so that the reference signal is sent to a predetermined direction of the Beam, and the Beam direction may also be referred to as an antenna port.
  • the 32 beam directions may be configured as antenna ports in the common reference signal antenna port set.
  • only part of the beam direction may be configured as an antenna port in the universal reference signal antenna port set.
  • the set of universal reference signal antenna ports can be determined by standard protocol or by network equipment.
  • the time-frequency resource in the embodiment of the present application may be considered to include W resource blocks (RBs), W is a positive integer, and W RBs include a time domain unit in the time domain, and the W RBs are in the frequency domain. Can be less than or equal to the system bandwidth.
  • RBs resource blocks
  • the frequency domain resource occupied by one time-frequency resource in the embodiment of the present application is a narrowband resource, which can be understood as being smaller than the system bandwidth; the W RBs included in each time-frequency resource may be consecutive in the frequency domain.
  • the plurality of subcarriers may also be discontinuous subcarriers; the time domain unit may be in units of Transmission Time Interval (TTI) or in units of subframes. In particular, if the time domain unit is in units of TTI, one or more subframes may be included in one TTI.
  • TTI Transmission Time Interval
  • FIG. 3 is a schematic diagram of an example of configuring a network port for a time-frequency resource by a network device according to an embodiment of the present application.
  • the vertical direction represents a frequency (frequency domain), which includes, for example, a Resource Block Group (RBG), and the legend includes RBG1, RBG2, RBG3, and RBG4, and the RBG can be considered as being in the frequency domain.
  • RBG Resource Block Group
  • Time-frequency resources can be represented by frequency domain information and time domain information.
  • the time-frequency resource can be represented by the identifier of the RBG and the time domain unit offset, each time-frequency resource occupies one RBG, and the time domain occupies one time domain unit, such as one subframe or one. TTI.
  • One RBG may include multiple RBs, for example, W RBs. Taking FIG. 3 as an example, (RBG1, 0) may be used to indicate a time-frequency resource with a frequency domain of RBG1 and a time domain of T0; and (RBG1, 4) may be used for a time-frequency resource with a frequency domain of RBG1 and a time domain of T4.
  • the time domain unit may also be represented by a time domain unit, for example, a period of 4 TTIs.
  • the available (RBG1, 0) indicates that the frequency domain is RBG1 in the first period of T0-T3.
  • the time-frequency resource whose domain is T0, and the available (RBG1,0) represent the time-frequency resource whose frequency domain is RBG1 and time domain is T4 in the second period of T4-T7.
  • the network device may further divide the universal reference signal port set, and divide the common reference signal antenna port set into N mutually disjoint antenna port sets, where the N mutually disjoint antenna port sets optionally include the same antenna The number of ports.
  • the network device may further allocate a corresponding antenna port set for each time-frequency resource, for example, respectively, respectively, N consecutive or discontinuous time-frequency resources of the same frequency domain resource are respectively corresponding to the N mutually disjoint antenna port sets. Or N consecutive or discontinuous frequency domain resources of the same time domain resource respectively correspond to the N sets of mutually disjoint antenna ports.
  • N consecutive or discontinuous frequency domain resources of the same time domain resource respectively correspond to the N sets of mutually disjoint antenna ports.
  • this is only a preferred solution, and in actual applications, there may be different configurations. For example, it is only necessary to ensure that the antenna port sets corresponding to the two time-frequency resources in the same frequency domain adjacent time domain are different, and the antenna port sets corresponding to the two time-frequency resources in the same time-frequency adjacent frequency domain are different, and so on.
  • each time-frequency resource corresponds to one antenna port set
  • the network device may send a reference signal in the time-frequency resource and the antenna port in the corresponding antenna port set.
  • the division of the universal reference signal antenna port set and the correspondence between the time-frequency resource and the divided antenna port set may be configured by the network device or pre-defined by a standard protocol.
  • the network device configuration is taken as an example for description below with reference to FIG. 3 .
  • the network device divides the common reference signal port set (32 Beam directions) into 4 groups (that is, 4 sets of mutually disjoint antenna ports 1), each group of 8 Beam directions, that is, 8 antenna ports (or RS ports). ).
  • Group 1 Beam#0/4/8/12/16/20/24/28;
  • Group 2 Beam#1/5/9/13/17/21/25/29;
  • Group 3 Beam# 2/6/10/14/18/22/26/30;
  • Group 4 Beam#3/7/11/15/19/23/27/31.
  • the first set of Beam directions can be shown in the marked Beam direction in Figure 2.
  • the antenna port allocated by each RBG may also be other values, for example, 4 antenna ports, 6 antenna ports, and the like.
  • a possible configuration of configuring a set of time-frequency resources and antenna ports is as follows:
  • the network device may occupy the same frequency domain resource in the frequency domain, and occupy 4 consecutive time domain units (TTI) in the time domain.
  • the frequency resources are respectively configured with a set of Beam directions. For example, in FIG. 3, among the four time-frequency resources whose frequency domain is RBG1 and whose time domain is T0-T3, the frequency domain occupies the same frequency domain resource, and the time domain occupies four consecutive time domain units (TTIs). And each time-frequency resource corresponds to a group of antenna ports. That is to say, in one time period (in the embodiment shown in FIG.
  • one time period includes four time domain units), four time-frequency resources of the same frequency domain resource are respectively divided with four common reference signal port sets.
  • the antenna port sets are one-to-one correspondence.
  • the first group of Beam directions is configured at time T0
  • the fourth Beam direction is configured at time T1
  • the third group of Beam directions is configured at time T2
  • the second group of Beam directions is configured at time T3
  • the first group is configured at time T5.
  • the four TTIs are cyclically analogized, and the antenna port that transmits the common reference signal corresponding to each time-frequency resource is configured to be polled in the frequency domain.
  • the network device may separately configure a set of Beam directions for N time-frequency resource configurations adjacent to the frequency domain in the same time domain unit, so that the same time domain unit
  • the N time-frequency resources adjacent to the upper frequency domain are in one-to-one correspondence with the N antenna port sets divided by the common reference signal port set.
  • the time domain is T0
  • the frequency domain is a one-to-one correspondence of the antenna port sets configured by the four time-frequency resources of RBG1, RBG2, RBG3, and RBG4.
  • the first group of Beam directions is configured on RBG1
  • the second group of Beam directions is configured on RBG2
  • the third group of Beam directions is configured on RBG3
  • the fourth group of Beam directions is configured on RBG4.
  • FIG. 4 shows the pattern of a time-frequency resource reference signal.
  • FIG. 4 is an example in which one RBG is a frequency domain unit, and one TTI is a time-frequency resource composed of time domain units.
  • each square in FIG. 4 can represent one RE or other time-frequency resource block, where RE is taken as an example.
  • a RE with no digital squares in white can be used to transmit data
  • a RE with a digital square can be used to transmit reference signals such as general reference signals, including white digital squared REs and gray digital squares.
  • RE the number represents the antenna port number.
  • the gray square RE is used to send the reference signal.
  • the example of FIG. 4 may be referred to as a reference signal pattern, and may be used in a reference signal resource configuration of a time-frequency resource including a first time-frequency resource and a second time-frequency resource, which is used in the time-frequency resource.
  • An RE transmitting a reference signal and an antenna port for transmitting a reference signal at the RE.
  • FIG. 5 is an interaction flowchart of a reference signal transmission performed by a network device and a UE according to an embodiment of the present application. Although described in terms of mutual interaction, the single-sided angle of the network device or the single-sided angle of the UE can also constitute an independent technical solution, and details are not described herein.
  • the network device sends measurement configuration parameters and sends demodulation configuration parameters.
  • the sending measurement configuration parameters and the sending demodulation configuration parameters may be sent in the same message at the same time, or may be separately sent and sent in different messages, which is not limited.
  • the UE has a corresponding receiving action.
  • the measurement configuration parameter includes a first antenna port set for transmitting a reference signal for measurement; and the demodulation configuration parameter includes a second antenna port set for transmitting a reference signal for demodulation.
  • the first antenna port set and the second antenna port set belong to a universal reference signal antenna port set, and each antenna port of the universal reference signal antenna port set can be used for both measurement and demodulation.
  • the measurement configuration parameter may include at least one first antenna port set
  • the demodulation configuration parameter may include at least one second antenna port set
  • the measurement configuration parameter further includes information about the at least one first time-frequency resource, where the at least one first time-frequency resource is used by the network device to send on the at least one first time-frequency resource and the first antenna port set.
  • a reference signal for measurement the demodulation configuration parameter further includes information of at least one second time-frequency resource, the at least one second time-frequency resource being used by the network device at the at least one second time-frequency resource and the second antenna
  • a reference signal for demodulation is transmitted on the set of ports.
  • the network device transmits using the antenna port of the at least one first antenna port set.
  • the first antenna port set may be in one-to-one correspondence with the first time-frequency resource, or one first antenna port set may correspond to multiple first time-frequency resources.
  • the network device uses the antenna port of the second antenna port set to transmit.
  • the second antenna port set may be in one-to-one correspondence with the second time-frequency resource, or one second antenna port set may correspond to multiple second time-frequency resources.
  • the first time-frequency resource and the second time-frequency resource are time-frequency resources having the same frequency domain bandwidth.
  • W RBs are included, W is a positive integer, and W RBs include a time domain unit in the time domain, and the W RBs are less than or equal to the system bandwidth in the frequency domain.
  • the network device sends a reference signal for measurement and sends a reference signal for demodulation.
  • the network device transmits a reference signal for measurement on an antenna port in the first set of antenna ports; the network device transmits a reference signal for demodulation on an antenna port in the second set of antenna ports.
  • a reference signal for measurement may also be transmitted on the first time-frequency resource and the antenna port in the first set of antenna ports.
  • a reference signal for demodulation may also be transmitted at the second time-frequency resource and the antenna port in the second set of antenna ports.
  • the UE has a corresponding receiving action.
  • step 501 the network device sends the measurement configuration parameter and the manner of transmitting the demodulation configuration parameter to the UE, and a plurality of different message formats may be adopted.
  • the network device may use a message, such as a uniform RS process indication, to indicate that the UE operates measurement and data demodulation.
  • a message such as a uniform RS process indication
  • the configuration format of the uniform RS process can be as follows:
  • a uniform RS process can include the uniform RS process id (optional), measurement configuration parameters, and report mode (optional).
  • a uniform RS process can include the uniform RS process id (optional), measurement configuration parameters, and report mode (optional).
  • the measurement configuration parameter may include a measurement configuration number Measurement-configuration-count (used to indicate that several measurement configurations are configured for the UE, which may be optional, such as when the measurement configuration is 1 or 0), and the configuration content is measured.
  • Measurement-configuration-list used to indicate the specific content of the measurement configuration, including time-frequency resource information and antenna port information for measurement
  • demodulation configuration parameters may include demodulation configuration content Demodulation-configuration-list (for indicating the specific content of the demodulation configuration of the UE, including time-frequency resource information and antenna port information for demodulation), in the embodiment of the present application, the demodulation configuration content may be optional content. That is, when the current user does not transmit data, there is no need to demodulate the configuration information.
  • the network device may also include only demodulation configuration parameters, not including the measurement configuration content and the number of measurement configurations.
  • the reporting mode is p/a-report-mode, indicating the mode in which the UE reports the measurement result or the demodulation result.
  • the measurement configuration list is composed of n measurement configuration information, and the format of the measurement configuration can be exemplified as follows:
  • RS-port-Id-list represents a set of antenna ports for transmitting reference signals for measurement.
  • the time-frequency resource and the antenna port resource used for transmitting the reference signal for measurement may be reused for different UEs, and it may be understood that the measurement configuration parameter may be designed to be UE-specific, but for time-frequency resources.
  • the antenna port resource may not be UE-specific, such as a network with a cell concept, which may be cell-specific.
  • RBG-num-Id denotes frequency domain resource information for transmitting a reference signal for measurement, which may be, for example, an identifier of an RBG, and a subframe-offset is used to transmit time domain resource information of a reference signal for measurement, for example, For sub-frame offset values, etc.
  • Measurement-configuration-list ⁇ ([0,1,2,3],1,0),([0,1,2,3],2,1),([0,1,2,3], 3,2), ([0,1,2,3],4,3) ⁇ .
  • the network device configures four measurement configuration information for the UE, and each measurement configuration information includes a time-frequency resource and an antenna port resource.
  • the measurement reference signal resources in the measurement configuration parameters in the Measurement-configuration-list are as follows: the time-frequency resources represented by RBG1 and T0 (subframe offset is 0), and the sequence numbers are No. 0, No. 1, No. 2 And four antenna ports of No.
  • the network device can transmit a reference signal for measurement on the reference signal resource.
  • the network device can configure one antenna port set (a set of Beam directions) for each time-frequency resource.
  • the antenna port set configured for the time-frequency resources represented by the four time-frequency resources (1, 0), (2, 1), (3, 2), (4, 3) is ⁇ #0/ 4/8/12/16/20/24/28 ⁇
  • the antenna ports indicated by the four antenna ports numbered 0, 1, 2, and 3 are ⁇ #0/4/8/12/16 ⁇ .
  • the sequence number of the available antenna port is represented as a set of antenna ports for measurement configured by the time-frequency resource.
  • the serial number of the antenna port may indicate the location of the antenna port in the set of antenna ports.
  • Measurement-configuration-list ⁇ ([0,1,2,3],1,0),([0,1,2,3],2,1),([0,1,2, 3], 3, 2), ([0, 1, 2, 3], 4, 3) ⁇ .
  • a bitmap can be used to represent a set of antenna ports configured for time-frequency resources.
  • the reference signal used by each antenna port in the set of antenna ports configured by the network device for the time-frequency resource to be used for measurement may be identified by one bit of the bitmap.
  • the antenna port set [0, 1, 2, 3] can be represented by 11110000, that is, the serial number 0, 1, 2, and 3 ports transmit reference signals, and the serial number 4, 5, 6, and 7 antenna ports are not sent.
  • the antenna port set configured by the network device for the time-frequency resource may be further divided, and the antenna port set configured for the time-frequency resource is divided into multiple antenna port sub-groups, and the antenna in each antenna port set is configured. Whether the port subgroup is used for measurement is represented by one bit in the bitmap.
  • the antenna ports 0 and 2 are the first group
  • the antenna ports 1 and 3 are the second group
  • the antenna ports 4 and 6 are the third group
  • the antenna port 5 is 7 is the fourth group.
  • 1010 indicates that the reference signals are transmitted on the first group of antenna ports 0, 2 and the third group of antenna ports 4, 6, that is, the first antenna port set is antenna ports 0, 2, 4, 6.
  • the time-frequency resource may be further divided, and the time-frequency resource is divided into a plurality of time-frequency sub-resources, and the plurality of time-frequency sub-resources are divided by the antenna port set configured for the time-frequency resource.
  • the antenna port subgroups correspond one-to-one.
  • 4 is a schematic diagram of correspondence between time-frequency sub-resources and antenna port sub-groups for transmitting reference signals according to an embodiment of the present application. As shown in FIG. 4, the time-frequency resources with the same number of squares belong to the same time-frequency resource sub-group, and one antenna port sub-group corresponds to one time-frequency sub-resource. For example, 1000 indicates that the first antenna port set is antenna port 0, 2, and also indicates time-frequency resources shown in the gray square of FIG. 4, and the reference signals are transmitted from antenna ports 0, 2.
  • the Demodulation-configuration-list is composed of m demodulation-configuration information, and m is an integer greater than or equal to zero. It should be understood that when the Demodulation-configuration-list does not exist, no data demodulation is required.
  • the format of the Demodulation configuration can be exemplified as follows:
  • RS-port-Id-list represents a set of antenna ports for transmitting reference signals for demodulation.
  • time-frequency resources and antenna port resources designed to transmit reference signals for demodulation may be reused for different UEs, and it may be understood that the demodulation configuration parameters may be designed to be UE-specific, but for time
  • the frequency resource or antenna port resource may not be UE-specific, such as a network with a cell concept, which may be cell-specific.
  • RBG-num-Id denotes frequency domain resource information for transmitting a reference signal for demodulation, and may be an identifier of an RBG, and a Subframe-offset may be used for transmitting time domain resource information for demodulation, for example, Subframe offset value, etc.
  • the RS-port-Id-list, RBG-num-Id, and Subframe-offset can be expressed by referring to the above-mentioned example of the Measurement-configuration-list.
  • Another way for the network device to send measurement configuration parameters and transmit demodulation configuration parameters to the UE is that the measurement configuration parameters and the demodulation configuration parameters are sent in different messages.
  • the specific configuration parameters and demodulation configuration parameters are represented in different messages. It is also possible to refer to the corresponding format content in the first mode (placed in the same The message is sent) to describe.
  • the embodiment of the present application further provides the embodiments of FIG. 6 and FIG. 7.
  • the related features of the steps in FIG. 6 and FIG. 7 may refer to related features of the embodiment of FIG. 5, and details are not described herein again.
  • FIG. 8 is another flow chart of interaction between a network device and a UE for performing reference signal transmission according to an embodiment of the present application.
  • the transmission of demodulation configuration parameters by the network device is determined based on the channel information. Then, before transmitting the demodulation configuration parameter, the network device first sends the measurement configuration parameter to the UE and sends a reference message for measurement, and the UE receives the reference signal for measurement sent by the network device of one or more antenna ports for the channel.
  • the measurement, channel measurement specific method can be implemented according to the prior art to obtain channel information, and the UE can feed back the measured one or more antenna port numbers and/or channel information (PMI or RI) measured at one or more antenna ports.
  • the network device may further determine or send a demodulation configuration parameter according to the information fed back by the UE.
  • the measurement is demodulated into one cycle.
  • Table 1 is an example of measurement configuration parameters and demodulation configuration parameters sent in three time periods in the embodiment of the present application, taking the correspondence between the antenna port and the time-frequency resource in FIG. 3 as an example, and extending the time to three times.
  • the period, each time period is 4 time domain units, and the three time periods are (T0, T1, T2, T3), (T4, T5, T6, T7), (T8, T9, T10, T11).
  • batches can be considered as information sent in close or same time. Therefore, the measurement information sent by the first batch to the demodulation information sent by the second batch can be regarded as a measurement-demodulation cycle, and the measurement information sent by the second batch can be seen by the demodulation information sent by the third batch. Doing is another measurement-demodulation cycle.
  • the first batch of transmission specification information may also include demodulation information
  • the information transmitted by the third batch may also include measurement information, although not shown in the table.
  • the network device sends the first measurement configuration parameter to the UE.
  • the network device sends a first measurement configuration parameter to the UE, including resources for transmitting a reference signal for measurement.
  • the network device can send a representation ([#0/4/8/12], RBG1, T0), ([#0/4/8/12], RBG2, T1), ([#0/ 4/8/12], RBG3, T2), ([#0/4/8/12], RBG4, T3)
  • a total of 4 measurement configuration information each measurement configuration information may include a time-frequency resource and an antenna A collection of ports for transmitting reference signals for measurement.
  • the UE has a corresponding receiving action.
  • the network device sends a first reference signal for measurement to the UE.
  • the network device transmits a first reference signal for measurement to the UE on the reference signal resource configured by the first measurement configuration parameter.
  • the network device in the first cycle, can be in [#0/4/8/12], RBG1, T0), ([#0/4/8/12], RBG2, T1), ([ A reference signal for measurement is transmitted on the reference signal resource indicated by #0/4/8/12], RBG3, T2), ([#0/4/8/12], RBG4, T3).
  • the UE feeds back the measured channel information.
  • the UE can be at [#0/4/8/12], RBG1, T0), ([#0/4/8/12], RBG2, T1), ([#0/4/8/12], RBG3, T2), ([#0/4/8/12], RBG4, T3) perform measurement, obtain channel information of each antenna port, and send relevant channel information to the network device, and the network device receives the channel information fed back by the UE.
  • the channel information can be fed back in a variety of ways: for example, by feeding back each measured channel information, or by feeding back only one or more of the measured channel information.
  • Channel information can also take many forms, such as PMI or RI or other forms. I will not repeat them here.
  • the network device sends a second measurement configuration parameter to the UE and sends a first demodulation configuration parameter.
  • the network device may select, according to the channel quality measured by the first period, one or more resources or other selection manners, select a resource configured by the second period for transmitting the reference signal for demodulation as the first demodulation configuration parameter, and Send to the UE.
  • the network device can use the time-frequency resources RBG1, T0 according to the time-frequency resources RBG1, T0, and the time-frequency resources RBG1, T4, and the antenna corresponding to the second period.
  • the demodulation reference signal is transmitted on port [#0/4].
  • the network device may also send a second measurement configuration parameter to the UE to select a reference signal resource for demodulation in the next cycle.
  • the second measurement configuration parameter may also be optional.
  • Network devices are available in [#0/4/8/12], RBG1, T4), ([#0/4/8/12], RBG2, T5), ([#0/4/8/12], RBG3 , T6), ([#0/4/8/12], RBG4, T7) indicates that the reference signal for measurement is transmitted on the resource for transmitting the reference signal.
  • the reference signal resources represented by RBG1 and T4 are both in the second measurement configuration parameter and also in the first solution. In the parameter configuration, therefore, the reference signal transmitted by the network device on the reference signal resources indicated by [#0/4], RBG1, and T4 can be used for measurement or demodulation.
  • the UE has a corresponding receiving action.
  • the network device sends a second reference signal for measurement to the UE and sends a third reference signal for demodulation.
  • the UE has a corresponding receiving action.
  • the UE may receive reference signals on the reference signal resources indicated by [#0/4], RBG1, and T4, and perform measurement and demodulation, respectively.
  • the network device sends a second demodulation configuration parameter to the UE.
  • the network device may select the reference signal resource corresponding to the third period to be configured as the second demodulation configuration parameter according to the channel quality optimal reference signal resource measured in the second period, and send the signal to the UE.
  • the network device may use the time-frequency resources RBG2, T10 corresponding to the time-frequency resources RBG2, T6 in the second period, and the antenna.
  • the demodulation reference signal is transmitted on port [#8/12].
  • the measurement configuration parameter and the demodulation configuration parameter may include only the antenna port resource, because if the antenna port resource and the time-frequency resource have a pre-map relationship, the network device notifies the antenna.
  • the UE can obtain the time-frequency resource corresponding to the antenna port resource according to the pre-map relationship, so that the reference signal can be received for demodulation or for measurement.
  • the measurement configuration parameter and the demodulation configuration parameter may include only time-frequency resource information, because if the time-frequency resource and the antenna port resource have a pre-map relationship, the network device notifies.
  • the UE can obtain the antenna port resource corresponding to the time-frequency resource according to the pre-map relationship, so that the reference signal can be received for demodulation or for measurement.
  • FIG. 9 is a schematic structural diagram of a network device 900 according to an embodiment of the present application.
  • Network device 900 can include a processor 902, a transmitter 901, and a receiver 904, optionally including a memory 903.
  • Receiver 904, transmitter 901, processor 902, and memory 903 can be interconnected by a bus 906 system.
  • the bus 906 can be an ISA bus, a PCI bus, or an EISA bus.
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one double-headed arrow is shown in Figure 9, but it does not mean that there is only one bus or one type of bus.
  • transmitter 901 and receiver 904 can be coupled to antenna 905.
  • a memory 903 is included for storing the program.
  • the program can include program code, the program code including computer operating instructions.
  • Memory 903 can include read only memory and random access memory and provides instructions and data to processor 902.
  • the memory 903 may include a high speed RAM memory and may also include a non-volatile memory such as at least one disk memory.
  • the processor 902 is configured to perform the following operations.
  • the program stored in the memory 903 is executed, and is specifically configured to perform the following operations:
  • Measuring configuration parameters and demodulation configuration parameters are transmitted by the transmitter 901, the measurement configuration parameters including at least one first antenna port set information for transmitting a reference signal for measurement, the demodulation configuration parameters including at least one for transmitting
  • the second antenna port set information of the demodulated reference signal, the first antenna port set and the second antenna port set belong to a common reference signal antenna port set, and each antenna port of the universal reference signal antenna port set can be used
  • the reference signal for transmitting the measurement may in turn be used to transmit a reference signal for demodulation;
  • a reference signal for demodulation is transmitted by the transmitter 901 on an antenna port in the second set of antenna ports.
  • Processor 902 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 902 or an instruction in a form of software.
  • the processor 902 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; or may be a digital signal processor (DSP) or an application specific integrated circuit (ASIC). ), off-the-shelf programmable gate arrays (FPGAs) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 903, and the processor 902 reads the information in the memory 903 and completes the steps of the above method in combination with its hardware.
  • the network device 900 sends the measurement configuration parameter and the demodulation configuration parameter to use all or part of the antenna port resource for both signal measurement and data demodulation, thereby saving resource overhead of the reference signal and improving reference. Utilization of signal resources.
  • the measurement configuration parameter further includes information about the at least one first time-frequency resource, where the at least one first time-frequency resource is used to send the measurement for the measurement on the at least one first time-frequency resource and the first antenna port set. a reference signal;
  • the demodulation configuration parameter further includes information of the at least one second time-frequency resource, where the at least one second time-frequency resource is used to send the solution on the at least one second time-frequency resource and the second antenna port set Tuned reference signal.
  • the universal reference signal antenna port set is divided into N mutually disjoint third antenna port sets, where the N mutually disjoint third antenna port sets include the same number of antenna ports, where N is greater than A positive integer of 1; each time-frequency resource including the first time-frequency resource and the second time-frequency resource respectively corresponds to one of the third antenna port sets.
  • the third antenna port set corresponding to the first time-frequency resource is divided into a plurality of antenna port sub-groups, where the first antenna port set information is specifically: each of the third antenna port sets corresponding to the first time-frequency resource The antenna port subgroup uses one bit to indicate whether it is used to transmit a reference signal for measurement.
  • the first time-frequency resource is divided into a plurality of time-frequency sub-resources, and each antenna port sub-group in the third antenna port set corresponding to the first time-frequency resource corresponds to one of the first time-frequency resources. Time-frequency sub-resources.
  • the at least one first time-frequency resource and the at least one second time-frequency resource both include a third time-frequency resource
  • the first antenna port set and the second antenna port set both include a first antenna port
  • the reference signal transmitted on the third time-frequency resource and the first antenna port is used for both measurement and demodulation.
  • the information of the first time-frequency resource includes frequency domain resource information and time domain unit information; and the information of the second time-frequency resource includes frequency domain resource information and time domain unit information.
  • the first time-frequency resource includes W resource blocks RB, and the W RBs include a time domain unit in the time domain, where the W RBs are smaller than the system bandwidth in the frequency domain.
  • the second time-frequency resource includes W resource blocks RB, and the W RBs include a time domain unit in the time domain, where the W RBs are smaller than the system bandwidth in the frequency domain; where W is a positive integer.
  • the processor 902 when the processor 902 is configured to send the measurement configuration parameter and the demodulation configuration parameter, the processor 902 is specifically configured to send the first message, where the first message includes the measurement configuration parameter and the demodulation configuration parameter.
  • the second message may be sent by using the second message, where the second message includes the measurement configuration parameter, and the third message includes the third message. Demodulate configuration parameters.
  • the network device 900 can also perform the method performed by the network device in the embodiment shown in FIG. 5 to FIG. 8 , and details are not described herein again.
  • FIG. 10 is a schematic structural diagram of a user equipment 1000 according to an embodiment of the present application.
  • User equipment 1000 can include a processor 1002, a transmitter 1001, and a receiver 1004, optionally including a memory 1003.
  • Receiver 1004, transmitter 1001, processor 1002, and memory 1003 may be interconnected by a bus 1006 system.
  • the bus 1006 can be an ISA bus, a PCI bus, or an EISA bus.
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one double-headed arrow is shown in Figure 10, but it does not mean that there is only one bus or one type of bus.
  • transmitter 1001 and receiver 1004 can be coupled to antenna 1005.
  • a memory 1003 is included for storing the program.
  • the program can include program code, the program code including computer operating instructions.
  • the memory 1003 can include read only memory and random access memory and provides instructions and data to the processor 1002.
  • the memory 1003 may include a high speed RAM memory and may also include a non-volatile memory such as at least one disk memory.
  • the processor 1002 is configured to perform the following operations.
  • the program stored in the memory 1003 is executed, and is specifically configured to perform the following operations:
  • the reference signal is received and demodulated by the receiver 1004 at an antenna port in the second set of antenna ports.
  • the user equipment or the method performed by the UE disclosed in the embodiment shown in FIG. 5 to FIG. 8 of the present application may be applied to the processor 1002 or implemented by the processor 1002.
  • the processor 1002 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1002 or an instruction in a form of software.
  • the processor 1002 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; or may be a digital signal processor (DSP) or an application specific integrated circuit (ASIC). ), off-the-shelf programmable gate arrays (FPGAs) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • CPU central processing unit
  • NP network processor
  • ASIC application specific integrated circuit
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1003, and the processor 1002 reads the information in the memory 1003 and completes the steps of the above method in combination with its hardware.
  • the measurement configuration parameter further includes information of the at least one first time-frequency resource, where the at least one first time-frequency resource is used by the network device to send on the at least one first time-frequency resource and the first antenna port set.
  • the measured reference signal further includes information of at least one second time-frequency resource for the network device at the at least one second time-frequency resource and the second antenna port A reference signal for demodulation is transmitted on the set.
  • the universal reference signal antenna port set is divided into N mutually disjoint third antenna port sets, where the N mutually disjoint third antenna port sets include the same number of antenna ports, where N is greater than A positive integer of 1; each time-frequency resource including the first time-frequency resource and the second time-frequency resource respectively corresponds to one of the third antenna port sets.
  • the third antenna port set corresponding to the first time-frequency resource is divided into a plurality of antenna port sub-groups, where the first antenna port set information is specifically: each of the third antenna port sets corresponding to the first time-frequency resource
  • the antenna port subgroup uses one bit to indicate whether the network device is used to transmit a reference signal for measurement.
  • the first time-frequency resource is divided into a plurality of time-frequency sub-resources, and each antenna port sub-group in the third antenna port set corresponding to the first time-frequency resource corresponds to one of the first time-frequency resources. Time-frequency sub-resources.
  • the information of the first time-frequency resource includes frequency domain resource information and time domain unit information; and the information of the second time-frequency resource includes frequency domain resource information and time domain unit information.
  • the first time-frequency resource includes W resource blocks RB, and the W RBs include a time domain unit in the time domain, where the W RBs are smaller than the system bandwidth in the frequency domain;
  • the second time-frequency resources include W Resource blocks RB, and W RBs include a time domain unit in the time domain, the W RBs being smaller than the system bandwidth in the frequency domain; wherein W is a positive integer.
  • the processor 1002 when the processor 1002 is configured to receive the measurement configuration parameter and the demodulation configuration parameter, the processor 1002 is specifically configured to receive the first message, where the first message includes the measurement configuration parameter and the demodulation configuration parameter.
  • the processor 1002 is configured to receive a second message, where the second message includes the measurement configuration parameter, and receive the third message, where the third message includes the Demodulate configuration parameters.
  • the user equipment 1000 can also perform the method performed by the user equipment in the embodiment shown in FIG. 5 to FIG. 8 , and details are not described herein again.
  • a network device 200 and a user device 300 may be included.
  • the user equipment 200 may include a configuration unit and a sending unit, where
  • a determining unit configured to determine a measurement configuration parameter and a demodulation configuration parameter, the measurement configuration parameter including at least one first antenna port set information for transmitting a reference signal for measurement, the demodulation configuration parameter including at least one for sending Second antenna port set information of the reference signal for demodulation, the first antenna port set and the second antenna port set belong to a universal reference signal antenna port set, and each antenna port of the universal reference signal antenna port set can be The reference signal for transmitting for measurement can in turn be used to transmit a reference signal for demodulation.
  • a sending unit configured to send the measurement configuration parameter and the demodulation configuration parameter.
  • the transmitting unit is further configured to send a reference signal for measurement on the antenna port in the first antenna port set; and transmit a reference signal for demodulation on the antenna port in the second antenna port set.
  • the network device 200 can also perform the method performed by the network device in the embodiment shown in FIG. 5 and FIG. 8 and implement the functions of the network device in the embodiment shown in FIG. 5 to FIG. 8.
  • the embodiments of the present application are not described herein again.
  • the user equipment 300 may include a receiving unit, a measuring unit, and a demodulating unit, where
  • the receiving unit is configured to receive measurement configuration parameters and demodulation configuration parameters sent by the network device, where the measurement configuration parameters include at least one first antenna port set information used by the network device to send a reference signal for measurement, the demodulation configuration
  • the parameter includes at least one second antenna port set information for the network device to transmit a reference signal for demodulation, the first antenna port set and the second antenna port set belonging to a universal reference signal antenna port set, the universal reference signal
  • Each antenna port of the set of antenna ports can be used for both the network device to transmit a reference signal for measurement and the network device to transmit a reference signal for demodulation; on the antenna port in the first set of antenna ports Receiving a reference signal for measurement; receiving, at the antenna port in the second set of antenna ports, a reference signal for demodulation;
  • the measuring unit is configured to perform channel measurement by receiving, by the receiving unit, a reference signal for measurement on an antenna port in the first antenna port set;
  • the user equipment 300 can also perform the method performed by the user equipment or the UE in the embodiment shown in FIG. 5 and FIG. 8 and implement the functions of the user equipment in the embodiment shown in FIG. 5 to FIG. 8. .
  • the network device 200 and the user equipment 300 in the communication system 100 of the embodiment of the present application may also be the network device 900 of the embodiment shown in FIG. 9 and the user equipment 1000 in the embodiment shown in FIG.
  • the embodiment of the present application also proposes a computer readable storage medium 1100 for storing a computer program, the computer program comprising instructions for performing the method performed by the network device in FIGS. 5-8.
  • the embodiment of the present application also proposes a computer readable storage medium 1200 for storing a computer program, the computer program comprising instructions for performing the method performed by the user equipment or the UE in FIGS. 5-8.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

La présente invention concerne un procédé de transmission de signal de référence, un dispositif de réseau, un équipement utilisateur et un système de communication. Le procédé comprend : l'envoi, par un dispositif de réseau, d'un paramètre de configuration de mesure et d'un paramètre de configuration de démodulation, le paramètre de configuration de mesure comprenant au moins une information en ce qui concerne un premier ensemble de ports d'antenne pour envoyer un signal de référence pour une mesure, le paramètre de configuration de démodulation comprenant au moins une information en ce qui concerne un second ensemble de ports d'antenne pour envoyer un signal de référence pour une démodulation, le premier ensemble de ports d'antenne et le second ensemble de ports d'antenne appartenant à un ensemble de ports d'antenne de signal de référence général, et chaque port d'antenne de l'ensemble de ports d'antenne de signal de référence général pouvant non seulement être utilisé pour envoyer le signal de référence pour la mesure, mais pouvant également être utilisé pour envoyer le signal de référence pour la démodulation ; l'envoi, par le dispositif de réseau, du signal de référence pour la mesure sur un port d'antenne du premier ensemble de ports d'antenne ; et l'envoi, par le dispositif de réseau, du signal de référence pour la démodulation sur un port d'antenne du second ensemble de ports d'antenne.
PCT/CN2017/078917 2016-05-12 2017-03-31 Procédé de transmission de signal de référence, dispositif de réseau, équipement utilisateur et système de communication WO2017193727A1 (fr)

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