CN118214527A - Method and apparatus in a node for wireless communication - Google Patents

Method and apparatus in a node for wireless communication Download PDF

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Publication number
CN118214527A
CN118214527A CN202211624427.XA CN202211624427A CN118214527A CN 118214527 A CN118214527 A CN 118214527A CN 202211624427 A CN202211624427 A CN 202211624427A CN 118214527 A CN118214527 A CN 118214527A
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China
Prior art keywords
reference signal
index
port
resource
resources
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武露
王平
张晓博
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Shanghai Langbo Communication Technology Co Ltd
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Shanghai Langbo Communication Technology Co Ltd
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Priority to CN202211624427.XA priority Critical patent/CN118214527A/en
Publication of CN118214527A publication Critical patent/CN118214527A/en
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Abstract

A method and apparatus in a node for wireless communication is disclosed. The first node receives a first signaling; transmitting a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block; the first signaling is used to indicate the target time-frequency resource block; the first and second reference signals are associated to first and second reference signal resource groups, respectively; each reference signal resource in the first reference signal resource group corresponds to a first reference index, and each reference signal resource in the second reference signal resource group corresponds to a second reference index; at least one of port indexes of the first reference signal or the second reference signal depends on whether the first reference index and the second reference index are identical.

Description

Method and apparatus in a node for wireless communication
Technical Field
The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly, to a transmission method and apparatus for wireless signals in a wireless communication system supporting a cellular network.
Background
In a 5G NR (New Radio) system, a plurality of antenna panels (panels) are configured for both a base station and a terminal device. The NR Rel-16 standard may already support a base station transmitting radio signals simultaneously through multiple antenna panels, but a terminal device only supports transmission based on antenna panel selection even if multiple antenna panels are configured, i.e. only allows radio transmission on one antenna panel at a time. In future evolution of the 5G NR system, supporting terminal devices to transmit wireless signals on multiple antenna panels simultaneously is an important evolution direction in order to increase system capacity.
Disclosure of Invention
The inventors found through studies how to determine the antenna port for transmitting the reference signal is a key issue.
In view of the above, the present application discloses a solution. It should be noted that, in the description of the present application, only the multi-antenna panel is taken as a typical application scenario or example; the application can also be applied to the application scene of a single antenna panel, and further, the adoption of a unified design scheme for different scenes (including but not limited to a multi-antenna panel, a single antenna panel and the like) is also beneficial to the reduction of hardware complexity and cost. Embodiments in any one node of the application and features in embodiments may be applied to any other node without conflict. The embodiments of the application and the features of the embodiments may be combined with each other arbitrarily without conflict.
As an embodiment, the term (Terminology) in the present application is explained with reference to the definition of the 3GPP specification protocol TS36 series.
As an embodiment, the term in the present application is explained with reference to the definition of the 3GPP specification protocol TS38 series.
As an embodiment, the term in the present application is explained with reference to the definition of the 3GPP specification protocol TS37 series.
As one example, the term in the present application is explained with reference to definition of a specification protocol of IEEE (Institute of electrical and electronics engineers) ELECTRICAL AND Electronics Engineers.
The application discloses a method used in a first node of wireless communication, which is characterized by comprising the following steps:
receiving a first signaling;
transmitting a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block;
Wherein the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As one embodiment, the problems to be solved by the present application include: an antenna port for transmitting a reference signal.
According to one aspect of the present application, it is characterized by comprising:
receiving a first information block and a second information block;
Wherein the first information block is used for configuring a first reference signal resource set, the second information block is used for configuring a second reference signal resource set, the first reference signal resource group belongs to the first reference signal resource set, and the second reference signal resource group belongs to the second reference signal resource set; the first reference index is one of Q indexes, the second reference index is one of Q indexes, and Q is a positive integer greater than 1; each reference signal resource in the first set of reference signal resources corresponds to one of the Q indices and each reference signal resource in the second set of reference signal resources corresponds to one of the Q indices.
According to an aspect of the present application, the first signaling includes a first domain and a second domain, the first domain in the first signaling indicates the first reference signal resource group, and the second domain in the first signaling indicates the second reference signal resource group; the first reference signal resource group belongs to a first reference signal resource set, the second reference signal resource group belongs to a second reference signal resource set, the first reference signal resource set is the first reference signal resource set in the first reference signal resource set and the second reference signal resource set, and the second reference signal resource set is the second reference signal resource set in the first reference signal resource set and the second reference signal resource set.
According to an aspect of the present application, when the first reference index and the second reference index are different, the port index of the first reference signal is the first reference index, and the port index of the second reference signal is the second reference index.
According to an aspect of the present application, when the first reference index and the second reference index are the same, the port index of the first reference signal is 0, the port index of the second reference signal is 1, or the port index of the first reference signal is 1, and the port index of the second reference signal is 0.
According to an aspect of the present application, when the first reference index and the second reference index are identical, the port index of the first reference signal is the first reference index, the port index of the second reference signal is one index different from the first reference index among Q indexes, the first reference index is one of the Q indexes, and Q is a positive integer greater than 1.
According to one aspect of the present application, it is characterized by comprising:
transmitting a first demodulation reference signal and a second demodulation reference signal in the target time-frequency resource block;
wherein the port of the first reference signal is associated with a first antenna port, and the first antenna port is one antenna port for transmitting the first demodulation reference signal; the port of the second reference signal is associated with a second antenna port, which is one antenna port that transmits the second demodulation reference signal.
According to an aspect of the application, the first node comprises a User Equipment (UE).
According to an aspect of the application, the first node comprises a relay node.
The application discloses a method used in a second node of wireless communication, which is characterized by comprising the following steps:
Transmitting a first signaling;
receiving a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block;
Wherein the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
According to one aspect of the present application, it is characterized by comprising:
Transmitting the first information block and the second information block;
Wherein the first information block is used for configuring a first reference signal resource set, the second information block is used for configuring a second reference signal resource set, the first reference signal resource group belongs to the first reference signal resource set, and the second reference signal resource group belongs to the second reference signal resource set; the first reference index is one of Q indexes, the second reference index is one of Q indexes, and Q is a positive integer greater than 1; each reference signal resource in the first set of reference signal resources corresponds to one of the Q indices and each reference signal resource in the second set of reference signal resources corresponds to one of the Q indices.
According to an aspect of the present application, the first signaling includes a first domain and a second domain, the first domain in the first signaling indicates the first reference signal resource group, and the second domain in the first signaling indicates the second reference signal resource group; the first reference signal resource group belongs to a first reference signal resource set, the second reference signal resource group belongs to a second reference signal resource set, the first reference signal resource set is the first reference signal resource set in the first reference signal resource set and the second reference signal resource set, and the second reference signal resource set is the second reference signal resource set in the first reference signal resource set and the second reference signal resource set.
According to an aspect of the present application, when the first reference index and the second reference index are different, the port index of the first reference signal is the first reference index, and the port index of the second reference signal is the second reference index.
According to an aspect of the present application, when the first reference index and the second reference index are the same, the port index of the first reference signal is 0, the port index of the second reference signal is 1, or the port index of the first reference signal is 1, and the port index of the second reference signal is 0.
According to an aspect of the present application, when the first reference index and the second reference index are identical, the port index of the first reference signal is the first reference index, the port index of the second reference signal is one index different from the first reference index among Q indexes, the first reference index is one of the Q indexes, and Q is a positive integer greater than 1.
According to one aspect of the present application, it is characterized by comprising:
receiving a first demodulation reference signal and a second demodulation reference signal in the target time-frequency resource block;
wherein the port of the first reference signal is associated with a first antenna port, and the first antenna port is one antenna port for transmitting the first demodulation reference signal; the port of the second reference signal is associated with a second antenna port, which is one antenna port that transmits the second demodulation reference signal.
According to an aspect of the application, the second node is a base station.
According to an aspect of the application, the second node is a user equipment.
According to an aspect of the application, the second node is a relay node.
The present application discloses a first node device used for wireless communication, which is characterized by comprising:
a first receiver that receives a first signaling;
a first transmitter transmitting a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block;
Wherein the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
The present application discloses a second node apparatus used for wireless communication, characterized by comprising:
a second transmitter transmitting the first signaling;
A second receiver for receiving the first signal, the second signal, the first reference signal and the second reference signal in the target time-frequency resource block;
Wherein the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As an embodiment, the present application has the following advantages over the conventional scheme:
in determining the antenna port for transmitting the reference signal, different application scenarios are considered, such as single or multiple antenna panels, different beams, different antennas, different spatial characteristics, etc.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings in which:
Fig. 1 shows a flow chart of a first signaling, a first signal, a second signal, a first reference signal and a second reference signal according to an embodiment of the application;
FIG. 2 shows a schematic diagram of a network architecture according to one embodiment of the application;
Fig. 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane according to an embodiment of the application;
FIG. 4 shows a schematic diagram of a first communication device and a second communication device according to one embodiment of the application;
FIG. 5 illustrates a flow chart of a transmission according to one embodiment of the application;
FIG. 6 shows a schematic diagram of a relationship between a first set of reference signal resources, a second set of reference signal resources, and Q indexes, according to one embodiment of the application;
Fig. 7 shows a schematic diagram of a first signaling indication of a first set of reference signal resources and a second set of reference signal resources according to an embodiment of the application;
FIG. 8 shows a first schematic diagram of port index of a first reference signal and port index of a second reference signal depending on the first reference index and the second reference index, according to one embodiment of the application;
FIG. 9 shows a second schematic diagram of port index of a first reference signal and port index of a second reference signal depending on the first reference index and the second reference index, according to one embodiment of the application;
FIG. 10 shows a third schematic diagram of port index of a first reference signal and port index of a second reference signal depending on the first reference index and the second reference index, according to one embodiment of the application;
Fig. 11 is a schematic diagram showing a relationship among a port of a first reference signal, a port of a second reference signal, a port of a first demodulation reference signal, and a second demodulation reference signal according to an embodiment of the present application;
Fig. 12 shows a block diagram of a processing arrangement for use in a first node device according to an embodiment of the application;
Fig. 13 shows a block diagram of a processing arrangement for a device in a second node according to an embodiment of the application.
Detailed Description
The technical scheme of the present application will be described in further detail with reference to the accompanying drawings, and it should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be arbitrarily combined with each other.
Example 1
Embodiment 1 illustrates a flow chart of a first signaling, a first signal, a second signal, a first reference signal and a second reference signal according to an embodiment of the present application, as shown in fig. 1. In 100 shown in fig. 1, each block represents a step.
In embodiment 1, the first node in the present application receives first signaling in step 101; the first signal, the second signal, the first reference signal and the second reference signal are transmitted in the target time-frequency resource block in step 102.
In embodiment 1, the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As an embodiment, the first signaling comprises Layer1 (Layer 1, L1) signaling.
As an embodiment, the first signaling comprises physical layer signaling.
As an embodiment, the first signaling is dynamic signaling.
As an embodiment, the first signaling is physical layer signaling (PHYSICAL LAYER SIGNALING).
As an embodiment, the CRC (Cyclic redundancy check ) of the first signaling is scrambled (Scrambled) by a C (Cell ) -RNTI (Radio Network Temporary Identifier, radio network tentative identity).
As an embodiment, the CRC of the first signaling is scrambled by the MCS (Modulation and coding scheme ) -C-RNTI.
As an embodiment, the CRC of the first signaling is scrambled by CS (Configured Scheduling, configure schedule) -RNTI.
As an embodiment, the first signaling is transmitted on a PDCCH (Physical Downlink Control CHannel ).
As an embodiment, the first signaling is DCI (Downlink Control Information ) signaling.
As an embodiment, the first signaling is DCI signaling used to schedule PUSCH (Physical Uplink SHARED CHANNEL ).
As an embodiment, the Format (Format) of the first signaling is one of Format 0_0, format 0_1 or Format 0_2.
As an embodiment, the first signaling includes at least one DCI domain (field).
As an embodiment, the first signaling is used to schedule the first signal, the second signal.
As an embodiment, the first signaling includes scheduling information of the first signal and the second signal.
As an embodiment, the scheduling information includes one or more of time domain resources, frequency domain resources, MCS (Modulation and Coding Scheme), DMRS (DeModulation REFERENCE SIGNALS, demodulation reference signal) ports (ports), HARQ (Hybrid Automatic Repeat request) process number (process number),RV(Redundancy version),NDI(New data indicator),TCI(Transmission Configuration Indicator) state (state) or SRI (Sounding REFERENCE SIGNAL Resource Indicator).
Typically, the target time-frequency Resource block includes a plurality of REs (Resource elements).
Typically, one resource element occupies one subcarrier (subcarrier) in the frequency domain and one symbol (symbol) in the time domain.
As an embodiment, the symbol is a single carrier symbol.
As an embodiment, the symbol is a multicarrier symbol.
As an embodiment, the multi-carrier symbol is an OFDM (Orthogonal Frequency Division Multiplexing ) symbol.
As an embodiment, the symbol is obtained after the output of the conversion precoder (transform precoding) has undergone OFDM symbol Generation (Generation).
As an embodiment, the symbol is an SC-FDMA (SINGLE CARRIER-Frequency Division Multiple Access, single carrier frequency division multiple access) symbol.
As an embodiment, the symbol is a DFT-S-OFDM (Discrete Fourier Transform Spread OFDM, discrete fourier transform orthogonal frequency division multiplexing) symbol.
As an embodiment, the multi-carrier symbol is an FBMC (Filter Bank Multi Carrier, filter bank multi-carrier) symbol.
As an embodiment, the multicarrier symbol includes CP (Cyclic Prefix).
As an embodiment, any one of the first reference signal resource group and the second reference signal resource group is one SRS (Sounding REFERENCE SIGNAL ) resource.
As an embodiment, the first set of reference signal resources comprises at least one SRS resource and the second set of reference signal resources comprises at least one SRS resource.
As an embodiment, any one of the first reference signal resource group and the second reference signal resource group is one of a CSI-RS (CHANNEL STATE Information-REFERENCE SIGNAL, channel state Information reference signal) resource or an SRS resource.
As an embodiment, the first signaling comprises at least one field, the at least one field being used to indicate the first set of reference signal resources and the second set of reference signal resources.
As an embodiment, the same field in the first signaling indicates the first set of reference signal resources and the second set of reference signal resources.
As an embodiment, the first signaling includes a first field, the first field included in the first signaling indicating the first set of reference signal resources and the second set of reference signal resources; the first field includes at least one bit.
As an embodiment, two fields in the first signaling indicate the first and second reference signal resource groups, respectively.
As an embodiment, the first signaling includes a first domain and a second domain, the first domain in the first signaling indicating the first set of reference signal resources, the second domain in the first signaling indicating the second set of reference signal resources; the first field includes at least one bit and the second field includes at least one bit. The first reference signal resource group belongs to a first reference signal resource set, and the second reference signal resource group belongs to a second reference signal resource set.
As an embodiment, the first domain is SRS resource indicator domains.
As an embodiment, the second domain is Second SRS resource indicator domains.
As an embodiment, the name of the third domain includes SRS, and the name of the fourth domain includes SRS.
As an embodiment, the name of the first domain includes SRS resource and the name of the second domain includes SRS resource.
As an embodiment, the first set of reference signal resources comprises at least one reference signal resource of a first set of reference signal resources, and the second set of reference signal resources comprises at least one reference signal resource of a second set of reference signal resources; the first set of reference signal resources includes a plurality of reference signal resources and the second set of reference signal resources includes a plurality of reference signal resources.
As an embodiment, the first reference signal resource group comprises at least one SRS resource in a first set of reference signal resources and the second reference signal resource group comprises at least one SRS resource in a second set of reference signal resources; the first set of reference signal resources includes a plurality of SRS resources and the second set of reference signal resources includes a plurality of SRS resources.
As an embodiment, the first set of reference signal resources belongs to a first set of reference signal resources and the second set of reference signal resources belongs to a second set of reference signal resources.
As an embodiment, the first set of reference signal resources and the second set of reference signal resources are indicated by the IE SRS-Config.
As an embodiment, any reference signal resource in the first set of reference signal resources is an SRS resource or a CSI-RS resource, and any reference signal resource in the second set of reference signal resources is an SRS resource or a CSI-RS resource.
As an embodiment, any reference signal resource in the first set of reference signal resources is an SRS resource and any reference signal resource in the second set of reference signal resources is an SRS resource.
As an embodiment, the time-frequency resources occupied by the first signal overlap with the time-frequency resources occupied by the second signal.
As an embodiment, the first signal and the second signal each carry different layers (layers) of one PUSCH.
As an embodiment, the number of layers of PUSCH occupied by the first signal and the second signal is equal to the sum of the number of layers of the first signal and the number of layers of the second signal.
As an embodiment, the first signal and the second signal are Non-codebook based PUSCH transmissions.
As an embodiment, the first signal and the second signal each carry different layers of a Non-codebook based PUSCH.
As an embodiment, the first signal and the second signal are two repetitions (repetitions) of the same transport block, respectively.
As an embodiment, both the first signal and the second signal are transmitted on PUSCH.
As an embodiment, the first signal and the second signal carry the same Transport Block (TB), or the first signal and the second signal carry different Transport blocks, respectively.
As an embodiment, the first signal and the second signal each carry different layers of the same transport block.
As an embodiment, the first signal and the second signal each carry a different transport block.
As an embodiment, the first signal and the second signal respectively include two codewords (codewiord) of the same PUSCH.
As an embodiment, the transmission scheme (transmission scheme) of the first signal is based on Non-codebook based uplink transmission, and the first reference signal resource group includes a number of reference signal resources equal to a number of layers (layers) of the first signal.
As an embodiment, the transmission scheme of the second signal is based on Non-codebook based uplink transmission, and the number of reference signal resources included in the second reference signal resource group is equal to the number of layers of the second signal.
As an embodiment, the transmission schemes of the first signal and the second signal are based on uplink transmission of a Non-codebook (Non-codebook based), and the number of reference signal resources included in the first reference signal resource group is equal to the number of layers of the first signal; the second reference signal resource group includes a number of reference signal resources equal to the number of layers of the second signal.
As an embodiment, the meaning of the sentence "the first reference signal resource group is used to determine an antenna port(s) transmitting the first signal" includes: an antenna port(s) for transmitting the first signal is identical to an antenna port(s) for the first reference signal resource group; the sentence "the second reference signal resource group is used to determine an antenna port(s) transmitting the second signal" means that it includes: the antenna port(s) that sends the second signal is the same as the antenna port(s) of the second reference signal resource group.
As an embodiment, the meaning of the sentence "the first reference signal resource group is used to determine an antenna port(s) transmitting the first signal" includes: the first node transmits the first signal using the same antenna port (s)) as the antenna port (s)) of the first reference signal resource group; the sentence "the second reference signal resource group is used to determine an antenna port(s) transmitting the second signal" means that it includes: the first node transmits the second signal using the same antenna port (s)) as the antenna port (s)) of the second reference signal resource group.
As an embodiment, the meaning of the sentence "the first reference signal resource group is used to determine an antenna port(s) transmitting the first signal" includes: the number of antenna ports for transmitting the first signal is the same as the number of antenna ports of the first reference signal resource group; the sentence "the second reference signal resource group is used to determine an antenna port(s) transmitting the second signal" means that it includes: the number of antenna ports for transmitting the second signal is the same as the number of antenna ports of the second reference signal resource group.
As an embodiment, the meaning of the sentence "the first reference signal resource group is used to determine an antenna port(s) transmitting the first signal" includes: the antenna port transmitting the first signal and the antenna port of the first reference signal resource group have the same spatial relationship (spatial relationship); the sentence "the second reference signal resource group is used to determine an antenna port (s))" that transmits the second signal means that it includes: the antenna port transmitting the second signal and the antenna port of the second reference signal resource group have the same spatial relationship (spatial relationship).
As an embodiment, the spatial relationship includes: spatial transmission parameters (Spatial Tx parameter).
As an embodiment, the spatial relationship includes: a spatial domain transmit filter (spatial domain transmission filter).
As an embodiment, the spatial relationship includes: precoding.
As an embodiment, the spatial relationship includes: and (5) beam forming.
As an embodiment, the time-frequency resources occupied by the first reference signal and the second reference signal are orthogonal.
As an embodiment, the time-frequency resources occupied by the first reference signal and the second reference signal respectively overlap.
Typically, the phrase "occupied time-frequency resources" refers to: all Resource Elements (REs) occupied.
As an embodiment, the first reference signal and the second reference signal are both uplink reference signals.
As an embodiment, the names of the first reference signal and the second reference signal both comprise a phase (phase).
As an embodiment, the names of the first reference signal and the second reference signal both comprise tracking (tracking).
As an embodiment, the first reference signal and the second reference signal are both reference signals used for phase tracking (PHASE TRACKING).
As an embodiment, the first reference signal is PTRS (Phase-TRACKING REFERENCE SIGNAL, phase tracking reference signal) and the second reference signal is PTRS.
As an embodiment, the first reference signal is a PTRS with a port number of 1, and the second reference signal is a PTRS with a port number of 1.
As an embodiment, the first reference signal is a PTRS of the first signal and the second reference signal is a PTRS of the second signal.
As an embodiment, the meaning of the sentence "the first reference signal is associated to the first reference signal resource group" includes: an antenna port(s) of the first reference signal resource group is used to transmit the first reference signal; the meaning of the sentence "the second reference signal is associated to the second reference signal resource group" includes: an antenna port(s) of the second reference signal resource group is used to transmit the second reference signal.
As an embodiment, the meaning of the sentence "the first reference signal is associated to the first reference signal resource group" includes: an antenna port(s) of the first reference signal after precoding belongs to an antenna port(s) of the first reference signal resource group; the meaning of the sentence "the second reference signal is associated to the second reference signal resource group" includes: the precoded antenna port of the second reference signal belongs to the antenna port(s) of the second reference signal resource group.
As an embodiment, the meaning of the sentence "the first reference signal is associated to the first reference signal resource group" includes: the antenna port(s) of the first reference signal after precoding is the same as the antenna port(s) of the first reference signal resource group; the meaning of the sentence "the second reference signal is associated to the second reference signal resource group" includes: the antenna port(s) of the second reference signal after precoding is the same as the antenna port(s) of the second reference signal resource group.
As an embodiment, the meaning of the sentence "the first reference signal is associated to the first reference signal resource group" includes: the first reference signal resource group is used for determining an antenna port of the first reference signal after precoding; the meaning of the sentence "the second reference signal is associated to the second reference signal resource group" includes: the second reference signal resource group is used to determine an antenna port of the second reference signal after precoding.
As an embodiment, the meaning of the sentence "the first reference signal is associated to the first reference signal resource group" includes: the first reference signal resource group is used for determining an antenna port(s) for transmitting the first signal, and the antenna port of the first reference signal after precoding belongs to the antenna port of the first signal; the meaning of the sentence "the second reference signal is associated to the second reference signal resource group" includes: the second reference signal resource group is used to determine an antenna port(s) for transmitting the second signal, where the antenna port of the second reference signal after precoding belongs to the antenna port of the second signal.
As an embodiment, the meaning of the sentence "the first reference signal is associated to the first reference signal resource group" includes: the antenna port of the first reference signal after precoding and the antenna port of the first reference signal resource group have the same spatial relationship (spatial correlation); the meaning of the sentence "the second reference signal is associated to the second reference signal resource group" includes: the precoded antenna ports of the second reference signal and the antenna ports of the second reference signal resource group have the same spatial relationship (spatial correlation).
As an embodiment, the meaning of the sentence "the first reference signal is associated to the first reference signal resource group" includes: an antenna port of the first reference signal is associated with one antenna port of the first demodulation reference signal; the meaning of the sentence "the second reference signal is associated to the second reference signal resource group" includes: an antenna port of the second reference signal is associated with one antenna port of the second demodulation reference signal.
As one embodiment, the port index of the first reference signal isJ is a non-negative integer; the port index of the first reference signal after being precoded is p 0,p1,…,pρ-1, wherein ρ is a non-negative integer.
As one embodiment, the port index of the second reference signal isJ is a non-negative integer; the port index of the second reference signal after being precoded is p 0,p1,…,pρ-1, wherein ρ is a non-negative integer.
Typically, the saidAnd the specific definition of said p 0,p1,…,pρ-1 is described in section 6 of 3gpp ts 38.211.
Typically, the port is an antenna port.
As an embodiment, the first reference index is configured by higher layer parameters; the second reference index is configured by higher layer parameters.
As an embodiment, the first reference index and the second reference index are identical.
As an embodiment, the first reference index and the second reference index are different.
As an embodiment, the first reference index is ptrs-PortIndex corresponding to the first reference signal resource group, and the second reference index is ptrs-PortIndex corresponding to the second reference signal resource group.
As an embodiment, ptrs-PortIndex corresponding to each reference signal resource in the first reference signal resource group is the first reference index, and ptrs-PortIndex corresponding to each reference signal resource in the second reference signal resource group is the second reference index.
As an embodiment, ptrs-PortIndex allocated to each reference signal resource in the first reference signal resource group is the first reference index and ptrs-PortIndex allocated to each reference signal resource in the second reference signal resource group is the second reference index.
As an embodiment, the PTRS port index configured to each reference signal resource in the first reference signal resource group is the first reference index, and the PTRS port index configured to each reference signal resource in the second reference signal resource group is the second reference index.
As one embodiment, the first reference index is 0 or 1 and the second reference index is 0 or 1.
As an embodiment, the port index of the first reference signal and the port index of the second reference signal are 0 and 1, respectively, or the port index of the first reference signal and the port index of the second reference signal are 1 and 0, respectively.
As an embodiment, the port index of the first reference signal is 0, and the port index of the second reference signal is 1.
As an embodiment, the port index of the first reference signal is 1, and the port index of the second reference signal is 0.
As one embodiment, the port index of the first reference signal is 0, and the port index of the second reference signal is 1; or the port index of the first reference signal is 1, and the port index of the second reference signal is 0.
As an embodiment, only one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As an embodiment, the port index of the first reference signal and the port index of the second reference signal both depend on whether the first reference index and the second reference index are identical.
As an embodiment, at least one of the port index of the first reference signal or the port index of the second reference signal is which index of Q indices depends on whether the first reference index and the second reference index are identical, the Q indices comprising more than one non-negative integer, Q being a positive integer greater than 1.
As an embodiment, only one of the port index of the first reference signal or the port index of the second reference signal is which of Q indices depends on whether the first reference index and the second reference index are identical, the Q indices comprising more than one non-negative integer, Q being a positive integer greater than 1.
As an embodiment, the port index of the first reference signal and the port index of the second reference signal are respectively which two indexes of Q indexes depend on whether the first reference index and the second reference index are identical, the Q indexes include more than one non-negative integer, and Q is a positive integer greater than 1.
As one embodiment, when the first reference index and the second reference index are different, the port index of the first reference signal is the smaller of the first reference index and the second reference index, and the port index of the second reference signal is the larger of the first reference index and the second reference index.
As an embodiment, when the first reference index and the second reference index are different, the port index of the first reference signal is 0 and the port index of the second reference signal is 1.
As an embodiment, when the first reference index and the second reference index are different, the port index of the first reference signal is 1 and the port index of the second reference signal is 0.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are fixed values.
As an embodiment, when the first reference index and the second reference index are different, the port index of the first reference signal is the first reference index and the port index of the second reference signal is the second reference index.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are predefined.
As one embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are preconfigured.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are configured by RRC parameters.
Example 2
Embodiment 2 illustrates a schematic diagram of a network architecture according to one embodiment of the application, as shown in fig. 2.
Fig. 2 illustrates the network architecture of LTE (Long-Term Evolution), LTE-a (Long-Term Evolution Advanced, enhanced Long-Term Evolution) and future 5G systems. The network architecture of LTE, LTE-a and future 5G systems is called EPS (Evolved PACKET SYSTEM ). The 5GNR or LTE network architecture may be referred to as 5GS (5G System)/EPS 200 or some other suitable terminology. The 5GS/EPS 200 can include one or more UEs 201, one UE 241 in sidelink (Sidelink) communication with the UE201, ng-RAN (Next Generation Radio Access Network ) 202,5G-CN (5G Core Network,5G core network)/EPC (Evolved Packet Core ) 210, hss (Home Subscriber Server, home subscriber server)/UDM (Unified DATA MANAGEMENT ) 220 and internet service 230. The 5GS/EPS 200 may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown in fig. 2, the 5GS/EPS 200 provides packet switched services, however, those skilled in the art will readily appreciate that the various concepts presented throughout this disclosure may be extended to networks providing circuit switched services. The NG-RAN 202 includes an NR node B (gNB) 203 and other gnbs 204. The gNB203 provides user and control plane protocol termination towards the UE 201. The gNB203 may be connected to other gnbs 204 via an Xn interface (e.g., backhaul). The gNB203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic service set (Basic SERVICE SET, BSS), an Extended service set (Extended SERVICE SET, ESS), TRP (TRANSMITTER RECEIVER Point), or some other suitable terminology. The gNB203 provides the UE201 with an access point to the 5G-CN/EPC 210. Examples of UEs 201 include cellular telephones, smart phones, session initiation protocol (Session Initiation Protocol, SIP) phones, laptops, personal digital assistants (Personal DIGITAL ASSISTANT, PDA), satellite radios, global positioning systems, multimedia devices, video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, narrowband physical network devices, machine type communication devices, land vehicles, automobiles, wearable devices, or any other similar functional device. Those of skill in the art may also refer to the UE201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable terminology. The gNB203 is connected to the 5G-CN/EPC 210 through an S1/NG interface. The 5G-CN/EPC 210 includes MME (Mobility MANAGEMENT ENTITY )/AMF (Authentication MANAGEMENT FIELD, authentication management domain)/SMF (Session Management Function ) 211, other MME/AMF/SMF 214, S-GW (SERVICE GATEWAY, serving gateway)/UPF (User Plane Function, user plane functions) 212 and P-GW (PACKET DATE Network Gateway)/UPF 213. The MME/AMF/SMF 211 is a control node that handles signaling between the UE201 and the 5G-CN/EPC 210. The MME/AMF/SMF 211 generally provides bearer and connection management. All user IP (Internet Protocal, internet protocol) packets are transported through the S-GW/UPF 212, which S-GW/UPF 212 itself is connected to the P-GW/UPF 213. The P-GW provides UEIP address allocation as well as other functions. The P-GW/UPF 213 is connected to the internet service 230. Internet services 230 include operator-corresponding internet protocol services, which may include, in particular, internet, intranet, IMS (IP Multimedia Subsystem ) and packet-switched (PACKET SWITCHING) services.
As an embodiment, the first node in the present application includes the UE 201.
As an embodiment, the first node in the present application includes the UE 241.
As an embodiment, the second node in the present application includes the gNB 203.
As one embodiment, the wireless link between the UE 201 and the gNB 203 comprises a cellular network link.
As an embodiment, the sender of the first signaling includes the gNB 203.
As an embodiment, the receiver of the first signaling comprises the UE 201.
As an embodiment, the sender of the first signal comprises the UE 201.
As an embodiment, the receiver of the first signal comprises the gNB 203.
As an embodiment, the sender of the second signal comprises the UE 201.
As an embodiment, the receiver of the second signal comprises the gNB 203.
As an embodiment, the sender of the first reference signal comprises the UE 201.
As an embodiment, the receiver of the first reference signal includes the gNB 203.
As an embodiment, the sender of the second reference signal comprises the UE 201.
As an embodiment, the receiver of the second reference signal includes the gNB 203.
As one embodiment, the gNB 203 supports simultaneous transmission of wireless signals on multiple antenna panels.
As an embodiment, the UE 201 supports simultaneous transmission of wireless signals on multiple antenna panels.
For one embodiment, the UE 241 supports transmitting wireless signals simultaneously on multiple antenna panels.
Example 3
Embodiment 3 illustrates a schematic diagram of an embodiment of a radio protocol architecture for a user plane and a control plane according to one embodiment of the present application, as shown in fig. 3.
Fig. 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for the user plane 350 and the control plane 300, and fig. 3 shows, in three layers, the radio protocol architecture for the control plane 300 for a first communication node device (RSU (Road Side Unit), in-vehicle device or in-vehicle communication module) and a second node device (gNB, RSU, in-vehicle device or in-vehicle communication module) in UE or V2X (Vehicle to Everything), or between two UEs: layer1 (Layer 1, l1), layer2 (Layer 2, L2) and Layer3 (Layer 3, L3). L1 is the lowest layer and implements various PHY (physical layer) signal processing functions. L1 will be referred to herein as PHY 301. L2 305 is above PHY 301 and is responsible for the link between the first node device and the second node device, or between two UEs, through PHY 301. L2 305 includes a MAC sublayer 302, an RLC (Radio Link Control, radio link layer control protocol) sublayer 303, and a PDCP (PACKET DATA Convergence Protocol ) sublayer 304, which terminate at the second node device. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by ciphering the data packets and handover support for the first communication node device between second communication node devices. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out of order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating the various radio resources (e.g., resource blocks) in one cell among the first communication node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC sublayer 306 in L3 in the control plane 300 is responsible for obtaining radio resources (i.e., radio bearers) and configuring the lower layers using RRC signaling between the second communication node device and the first communication node device. The radio protocol architecture of the user plane 350 includes layer1 (L1) and layer2 (L2), and the radio protocol architecture for the first communication node device and the second communication node device in the user plane 350 is substantially the same for the physical layer 351, PDCP sublayer 354 in L2 355, RLC sublayer 353 in L2 355 and MAC sublayer 352 in L2 355 as the corresponding layers and sublayers in the control plane 300, but PDCP sublayer 354 also provides header compression for upper layer data packets to reduce radio transmission overhead. Also included in L2 355 in the user plane 350 is an SDAP (SERVICE DATA Adaptation Protocol ) sublayer 356, the SDAP sublayer 356 being responsible for mapping between QoS (Quality of Service ) flows and data radio bearers (Data Radio Bearer, DRBs) to support diversity of traffic. Although not shown, the first communication node apparatus may have several upper layers above L2 355, including a network layer (e.g., IP layer) that terminates at the P-GW on the network side and an application layer that terminates at the other end of the connection (e.g., remote UE, server, etc.).
As an embodiment, the radio protocol architecture in fig. 3 is applicable to the first node in the present application.
As an embodiment, the radio protocol architecture in fig. 3 is applicable to the second node in the present application.
As an embodiment, the first signaling in the present application is generated in the PHY 301 or the PHY 351.
As an embodiment, the first signal in the present application is generated in the PHY 301 or the PHY 351.
As an embodiment, the second signal in the present application is generated in the PHY 301 or the PHY 351.
As an embodiment, the first reference signal in the present application is generated in the PHY 301 or the PHY 351.
As an embodiment, the second reference signal in the present application is generated in the PHY 301 or the PHY 351.
As an embodiment, the higher layer in the present application is a layer above the physical layer.
As one embodiment, the higher layer in the present application is an RRC layer.
As one embodiment, the higher layer in the present application is a MAC CE layer.
Example 4
Embodiment 4 illustrates a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application, as shown in fig. 4. Fig. 4 is a block diagram of a first communication device 410 and a second communication device 450 in communication with each other in an access network.
The first communication device 410 includes a controller/processor 475, a memory 476, a receive processor 470, a transmit processor 416, a multi-antenna receive processor 472, a multi-antenna transmit processor 471, a transmitter/receiver 418, and an antenna 420.
The second communication device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter/receiver 454, and an antenna 452.
In the transmission from the first communication device 410 to the second communication device 450, upper layer data packets from the core network are provided to a controller/processor 475 at the first communication device 410. Controller/processor 475 implements the functionality of L2. In DL, the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocations to the second communication device 450 based on various priority metrics. The controller/processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for L1 (i.e., physical layer). The transmit processor 416 performs coding and interleaving to facilitate forward error correction (Forward Error Correction, FEC) at the second communication device 450, as well as mapping of signal clusters based on various modulation schemes, e.g., binary phase shift keying (Binary PHASE SHIFT KEYING, BPSK), quadrature phase shift keying (Quadrature PHASE SHIFT KEYING, QPSK), M-ary phase shift keying (M-PSK), M-ary Quadrature amplitude modulation (M-Quadrature Amplitude Modulation, M-QAM). The multi-antenna transmit processor 471 digitally space-precodes the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding and beamforming processing, to generate one or more parallel streams. Transmit processor 416 then maps each parallel stream to a subcarrier, multiplexes the modulated symbols with a reference signal (e.g., pilot) in the time and/or frequency domain, and then uses an inverse fast fourier transform (INVERSE FAST Fourier Transform, IFFT) to produce a physical channel that carries the time-domain multicarrier symbol stream. The multi-antenna transmit processor 471 then performs transmit analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multicarrier symbol stream provided by the multiple antenna transmit processor 471 to a radio frequency stream and then provides it to a different antenna 420.
In a transmission from the first communication device 410 to the second communication device 450, each receiver 454 receives a signal at the second communication device 450 through its respective antenna 452. Each receiver 454 recovers information modulated onto a radio frequency carrier and converts the radio frequency stream into a baseband multicarrier symbol stream that is provided to a receive processor 456. The receive processor 456 and the multi-antenna receive processor 458 perform various signal processing functions for L1. A multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454. The receive processor 456 converts the baseband multicarrier symbol stream after receiving the analog precoding/beamforming operation from the time domain to the frequency domain using a fast fourier transform (Fast Fourier Transform, FFT). In the frequency domain, the physical layer data signal and the reference signal are demultiplexed by the receive processor 456, wherein the reference signal is to be used for channel estimation, and the data signal is subjected to multi-antenna detection in the multi-antenna receive processor 458 to recover any parallel streams destined for the second communication device 450. The symbols on each parallel stream are demodulated and recovered in a receive processor 456 and soft decisions are generated. The receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals that were transmitted by the first communication device 410 on the physical channel. The upper layer data and control signals are then provided to the controller/processor 459. The controller/processor 459 implements the function of L2. The controller/processor 459 may be associated with a memory 460 that stores program codes and data. Memory 460 may be referred to as a computer-readable medium. In DL, the controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer data packets from the core network. The upper layer data packet is then provided to all protocol layers above L2. Various control signals may also be provided to L3 for L3 processing. The controller/processor 459 is also responsible for error detection using an Acknowledgement (ACK) and/or negative Acknowledgement (Negative Acknowledgement, NACK) protocol to support HARQ operations.
In the transmission from the second communication device 450 to the first communication device 410, a data source 467 is used at the second communication device 450 to provide upper layer data packets to a controller/processor 459. Data source 467 represents all protocol layers above L2. Similar to the transmit function at the first communication device 410 described in DL, the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocations of the first communication device 410, implementing L2 functions for the user and control planes. The controller/processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first communication device 410. The transmit processor 468 performs modulation mapping, channel coding, and digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming, with the multi-antenna transmit processor 457 then modulating the resulting parallel streams into multi-carrier/single-carrier symbol streams, which are analog precoded/beamformed in the multi-antenna transmit processor 457 before being provided to the different antennas 452 via the transmitter 454. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream and provides it to an antenna 452.
In the transmission from the second communication device 450 to the first communication device 410, the function at the first communication device 410 is similar to the receiving function at the second communication device 450 described in the transmission from the first communication device 410 to the second communication device 450. Each receiver 418 receives radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals to baseband signals, and provides the baseband signals to a multi-antenna receive processor 472 and a receive processor 470. The receive processor 470 and the multi-antenna receive processor 472 collectively implement the functionality of L1. Controller/processor 475 implements L2 functions. The controller/processor 475 may be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. The controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer data packets from the second communication device 450. Upper layer packets from the controller/processor 475 may be provided to the core network. The controller/processor 475 is also responsible for error detection using an ACK and/or NACK protocol to support HARQ operations.
As an embodiment, the second communication device 450 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. Said second communication device 450 means receives at least a first signaling; transmitting a first signal, the second signal, the first reference signal and the second reference signal in a target time-frequency resource block; the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate the first set of reference signal resources used to determine an antenna port to transmit the first signal and the second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As an embodiment, the second communication device 450 includes: a memory storing a program of computer-readable instructions that, when executed by at least one processor, produce acts comprising: receiving a first signaling; transmitting a first signal, the second signal, the first reference signal and the second reference signal in a target time-frequency resource block; the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate the first set of reference signal resources used to determine an antenna port to transmit the first signal and the second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As one embodiment, the first communication device 410 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The first communication device 410 means transmits at least a first signaling; receiving a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block; wherein the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As one embodiment, the first communication device 410 includes: a memory storing a program of computer-readable instructions that, when executed by at least one processor, produce acts comprising: transmitting a first signaling; receiving a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block; wherein the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As an embodiment, the first node in the present application includes the second communication device 450.
As an embodiment, the second node in the present application comprises the first communication device 410.
As an example, { the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459, the memory 460, at least one of the data sources 467} are used for receiving the first signaling in the present application; at least one of { the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475, the memory 476} is used to transmit the first signaling in the present application.
As an example, at least one of { the antenna 452, the transmitter 454, the transmission processor 468, the multi-antenna transmission processor 457, the controller/processor 459, the memory 460} is used to transmit the first signal, the second signal, the first reference signal, and the second reference signal in the target time-frequency resource block in the present application; at least one of { the antenna 420, the receiver 418, the receive processor 470, the multi-antenna receive processor 472, the controller/processor 475, the memory 476} is used to receive the first signal, the second signal, the first reference signal, and the second reference signal in the target time-frequency resource block in the present application.
As an example, at least one of the antenna 452, the transmitter 454, the transmit processor 468, the multi-antenna transmit processor 457, the controller/processor 459, the memory 460} is used to transmit the first demodulation reference signal and the second demodulation reference signal in the target time-frequency resource block in the present application; at least one of { the antenna 420, the receiver 418, the receive processor 470, the multi-antenna receive processor 472, the controller/processor 475, the memory 476} is used to receive the first demodulation reference signal and the second demodulation reference signal in the target time-frequency resource block in the application.
Example 5
Embodiment 5 illustrates a flow chart of wireless transmission according to one embodiment of the application, as shown in fig. 5. In fig. 5, the first node U1 and the second node N2 are two communication nodes transmitting over the air interface, respectively, wherein the steps in blocks F51, F52 and F53 are optional, and it is specifically stated that the order in the present embodiment does not limit the order of signal transmission and the order of implementation in the present application.
For the first node U1, receiving a first information block in step S5110; receiving a second information block in step S5120; receiving a first signaling in step S510; transmitting the first signal, the second signal, the first reference signal and the second reference signal in the target time-frequency resource block in step S511; the first demodulation reference signal and the second demodulation reference signal are transmitted in the target time-frequency resource block in step S5130.
For the second node N2, transmitting a first information block in step S5210; transmitting a second information block in step S5220; transmitting the first signaling in step S520; receiving a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block in step S521; in step S5230, a first demodulation reference signal and a second demodulation reference signal are received in a target time-frequency resource block.
In embodiment 5, the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As an embodiment, the first node U1 is the first node in the present application.
As an embodiment, the second node N2 is the second node in the present application.
As an embodiment, the air interface between the second node N2 and the first node U1 comprises a radio interface between a base station device and a user equipment.
As an embodiment, the air interface between the second node N2 and the first node U1 comprises a wireless interface between a relay node device and a user device.
As an embodiment, the air interface between the second node N2 and the first node U1 comprises a wireless interface between user equipment and user equipment.
As an embodiment, the second node N2 is a serving cell maintenance base station of the first node U1.
As an embodiment, the first signaling is transmitted on a downlink physical layer control channel (i.e. a downlink channel that can only be used to carry physical layer signaling).
As an example, the block 51 exists, the second node N2 sends a first information block in step S5210, and the first node U1 receives the first information block in step S5110; the first information block is used to configure the first set of reference signal resources.
As an example, the block 52 exists, the second node N2 sends the second information block in step S5220, and the first node U1 receives the second information block in step S5120; the second information block is used to configure the second set of reference signal resources.
As an embodiment, the first information block and the second information block are carried by higher layer signaling.
As an embodiment, the first information block and the second information block are carried by RRC signaling.
As an embodiment, the first information block comprises part or all of a field RRCIE (information element, information unit).
As an embodiment, the second information block includes part or all of a RRCIE field.
As an embodiment, the first information block is used to configure a first set of reference signal resources; the second information block is used to configure the second set of reference signal resources.
As an embodiment, the block 53 exists, and the first node N1 sends the first demodulation reference signal and the second demodulation reference signal in the target time-frequency resource block in step S5130; the second node N2 receives the first demodulation reference signal and the second demodulation reference signal in the target time-frequency resource block in step 5230.
Typically, the measurement for the first demodulation reference signal is used for demodulation of the first signal and the measurement for the second demodulation reference signal is used for demodulation of the second signal.
As an embodiment, the first demodulation reference signal includes a DMRS (DeModulation REFERENCE SIGNALS, demodulation reference signal) and the second demodulation reference signal includes a DMRS.
As an embodiment, the channel estimated for the measurement of the first demodulation reference signal is used for demodulation of the first signal and the channel estimated for the measurement of the second demodulation reference signal is used for demodulation of the second signal.
As an embodiment, the first information block is transmitted on PUSCH; the second information block is transmitted on PUSCH.
As an embodiment, the first demodulation reference signal is transmitted on PUSCH and the first demodulation reference signal is transmitted on PUSCH.
Example 6
Embodiment 6 illustrates a schematic diagram of a relationship between a first set of reference signal resources, a second set of reference signal resources, and Q indexes, according to one embodiment of the application; as shown in fig. 6.
In embodiment 6, the first information block is used to configure a first set of reference signal resources, the second information block is used to configure a second set of reference signal resources, the first set of reference signal resources belongs to the first set of reference signal resources, and the second set of reference signal resources belongs to the second set of reference signal resources; the first reference index is one of Q indexes, the second reference index is one of Q indexes, and Q is a positive integer greater than 1; each reference signal resource in the first set of reference signal resources corresponds to one of the Q indices and each reference signal resource in the second set of reference signal resources corresponds to one of the Q indices.
As a one
As an embodiment, the first information block includes an SRS-ResourceSet field and the second information block includes an SRS-ResourceSet field.
As an embodiment, the first information block comprises a partial field in IESRS-Config and the second information block comprises a partial field in IESRS-Config.
As an embodiment, the first information block and the second information block comprise two SRS-resource set fields in IESRS-Config, respectively.
As an embodiment, the name of the first information block includes SRS-ResourceSet and the name of the second information block includes SRS-ResourceSet.
As an embodiment, the first set of reference signal resources comprises K1 reference signal resources, the second set of reference signal resources comprises K2 reference signal resources, the K1 is a non-negative integer, and the K2 is a non-negative integer.
As an embodiment, the first set of reference signal resources includes K1 SRS resources, the second set of reference signal resources includes K2 SRS resources, the K1 is a non-negative integer, the K2 is a non-negative integer, and the K1 is equal to the K2.
As an embodiment, the first set of reference signal resources and the second set of reference signal resources are indicated by srs-ResourceSetToAddModList parameters.
As an embodiment, the first signaling is DCI format0_1, and the first set of reference signal resources and the second set of reference signal resources are indicated by srs-ResourceSetToAddModList parameters.
As an embodiment, the first set of reference signal resources and the second set of reference signal resources are indicated by srs-ResourceSetToAddModListDCI-0-2 parameters.
As an embodiment, the format of the first signaling is DCIformat _2, and the first set of reference signal resources and the second set of reference signal resources are indicated by srs-ResourceSetToAddModListDCI-0-2 parameters.
As an embodiment, the first information block comprises a resource type (resourceType) of the first set of reference signal resources; the second information block includes a resource type of the second set of reference signal resources.
As one embodiment, the resource type is one of aperiodic (aperiodic), semi-persistent (semi-persistent), and periodic (periodic).
As an embodiment, the first information block is used to configure a user associated with the first reference signal resource set; the second information block is used to configure a usage associated with the second set of reference signal resources.
As one embodiment, the user associated with the first set of reference signal resources is one of beam management (beamManagement), codebook (codebook), non-codebook (nonCodebook), and antenna switching (ANTENNASWITCHING); the user associated with the second set of reference signal resources is one of beam management (beamManagement), codebook (codebook), non-codebook (nonCodebook), and antenna switching (ANTENNASWITCHING).
As an embodiment, the user associated with the first set of reference signal resources is a codebook (codebook) or a non-codebook (nonCodebook); the user associated with the second set of reference signal resources is a codebook (codebook) or a non-codebook (nonCodebook).
As one embodiment, the Q indices comprise more than one non-negative integer.
As one embodiment, the Q indexes include the first reference index and the second reference index.
As one embodiment, the Q indexes include one index other than the first reference index and the second reference index.
As one embodiment, the Q is equal to 2, and the Q indexes include a first reference index and a second reference index.
As one embodiment, the Q is equal to 2, the first reference index is equal to the second reference index, and the Q indexes are one index other than the first reference index and the second reference index.
Typically, each reference signal resource in the first reference signal resource group corresponds to the same index of the Q indexes; each reference signal resource in the second set of reference signal resources corresponds to the same one of the Q indices.
Typically, each reference signal resource in the first set of reference signal resources corresponds to the first reference index of the Q indexes; each reference signal resource in the second set of reference signal resources corresponds to the second reference index of the Q indexes.
As one embodiment, the Q is equal to 2, and the Q indices include 0 and 1; each reference signal resource in the first set of reference signal resources corresponds to 0 or 1 in Q indices, and each reference signal resource in the second set of reference signal resources corresponds to 1 or 0 in Q indices.
As one embodiment, the Q is equal to 2, and the Q indices include 0 and 1; each reference signal resource in the first set of reference signal resources corresponds to 0 in Q indices and each reference signal resource in the second set of reference signal resources corresponds to 1 in Q indices.
As one embodiment, the Q is equal to 2, and the Q indices include 0 and 1; each reference signal resource in the first set of reference signal resources corresponds to 1 in Q indices, and each reference signal resource in the second set of reference signal resources corresponds to 0 in Q indices.
Example 7
Embodiment 7 illustrates a schematic diagram of a first signaling indicating a first set of reference signal resources and a second set of reference signal resources according to an embodiment of the application; as shown in fig. 7.
In embodiment 7, the first signaling includes a first domain and a second domain, the first domain in the first signaling indicating the first set of reference signal resources, the second domain in the first signaling indicating the second set of reference signal resources; the first reference signal resource group belongs to a first reference signal resource set, the second reference signal resource group belongs to a second reference signal resource set, the first reference signal resource set is the first reference signal resource set in the first reference signal resource set and the second reference signal resource set, and the second reference signal resource set is the second reference signal resource set in the first reference signal resource set and the second reference signal resource set.
As an embodiment, the first set of reference signal resources is one of the first set of reference signal resources and the second set of reference signal resources that is smaller (lower) than SRS-ResourceSetId, and the second set of reference signal resources is one of the first set of reference signal resources and the second set of reference signal resources that is larger (higher) than SRS-ResourceSetId.
As an embodiment, the user associated with the first reference signal resource set and the user associated with the second reference signal resource set are both set to codebook or both set to nonCodebook.
As an embodiment, the sentence "the first set of reference signal resources is the first set of reference signal resources of the first set of reference signal resources and the second set of reference signal resources, and the second set of reference signal resources is the second set of reference signal resources of the first set of reference signal resources and the second set of reference signal resources" means that: the index of the first set of reference signal resources is less than the index of the second set of reference signal resources.
As an embodiment, the sentence "the first set of reference signal resources is the first set of reference signal resources of the first set of reference signal resources and the second set of reference signal resources, and the second set of reference signal resources is the second set of reference signal resources of the first set of reference signal resources and the second set of reference signal resources" means that: the first set of reference signal resources is the one of the first set of reference signal resources and the second set of reference signal resources that is the lower index and the second set of reference signal resources is the higher index (higher) of the first set of reference signal resources and the second set of reference signal resources.
As an embodiment, the sentence "the first set of reference signal resources is the first set of reference signal resources of the first set of reference signal resources and the second set of reference signal resources, and the second set of reference signal resources is the second set of reference signal resources of the first set of reference signal resources and the second set of reference signal resources" means that: the first set of reference signal resources is one of the first set of reference signal resources and the second set of reference signal resources having a smaller SRS-ResourceSetId (lower) and the second set of reference signal resources is one of the first set of reference signal resources and the second set of reference signal resources having a larger SRS-ResourceSetId (higher).
As an embodiment, the index of the first set of reference signal resources is SRS-ResourceSetId and the index of the second set of reference signal resources is SRS-ResourceSetId.
Typically, the first domain is SRS resource indicator.
Typically, the second domain is Second SRS resource indicator.
Typically, in the DCI format included in the first signaling, the first domain precedes the second domain.
As one embodiment, the first signaling includes a third domain, the third domain in the first signaling indicating that the first domain in the first signaling is associated with the first set of reference signal resources and the second domain in the first signaling is associated with the second set of reference signal resources; the third field includes at least one bit.
As an embodiment, the third field comprises 2 bits.
As an embodiment, when the value of the third domain is equal to 0, the first domain is associated with the first set of reference signal resources, and the second domain is reserved (reserved); when the value of the third domain is equal to 1, the first domain is associated with the second set of reference signal resources, the second domain being reserved (reserved); when the value of the third field is equal to 2 or 3, the first field is associated with the first set of reference signal resources and the second field is associated with the second set of reference signal resources.
As an embodiment, the third domain is SRS resource set indicator domains.
As an embodiment, the value of the third field in the first signaling is equal to 2 or 3.
For a specific definition of SRS resource set indicator domain, see section 7.3 of 3gpp ts38.212, for one embodiment.
As an embodiment, the meaning of "the first domain is associated with the first set of reference signal resources" includes: the first field indicates at least one reference signal resource in the first set of reference signal resources; the meaning of "the first domain is associated with the second set of reference signal resources" includes: the first field indicates at least one reference signal resource in the second set of reference signal resources; the meaning of "the second domain is associated with the second set of reference signal resources" includes: the second field indicates at least one reference signal resource in the second set of reference signal resources.
As an embodiment, the meaning of "the first domain is associated with the first set of reference signal resources" includes: the first field indicates the first reference signal resource group, the first reference signal resource group belonging to the first reference signal resource set; the meaning of "the first domain is associated with the second set of reference signal resources" includes: the first field indicates the first reference signal resource group, the first reference signal resource group belonging to the second reference signal resource set; the meaning of "the second domain is associated with the second set of reference signal resources" includes: the second field indicates the second set of reference signal resources, the second set of reference signal resources belonging to the second set of reference signal resources.
Example 8
Embodiment 8 illustrates a first schematic diagram of port indexes of a first reference signal and a second reference signal depending on the first reference index and the second reference index according to an embodiment of the present application; as shown in fig. 8.
In embodiment 8, when the first reference index and the second reference index are different, the port index of the first reference signal is the first reference index, and the port index of the second reference signal is the second reference index.
As an embodiment, the first reference index is 1, the second reference index is 0, the port index of the first reference signal is 1, and the port index of the second reference signal is 0.
As an embodiment, the first reference index is 0, the second reference index is 1, the port index of the first reference signal is 0, and the port index of the second reference signal is 1. A step of
As one embodiment, the first reference index is 1, the second reference index is 0, the port index of the first reference signal is 1, and the port index of the second reference signal is 0; or the first reference index is 0, the second reference index is 1, the port index of the first reference signal is 0, and the port index of the second reference signal is 1.
As one embodiment, the first reference index is 1 or 0, and the second reference index is 1 or 0; the port index of the first reference signal is 1 or 0, and the port index of the second reference signal is 0 or 1.
As an embodiment, ptrs-PortIndex corresponding to each reference signal resource in the first reference signal resource group is equal, and ptrs-PortIndex corresponding to each reference signal resource in the second reference signal resource group is equal; when ptrs-PortIndex corresponding to each reference signal resource in the first reference signal resource group is unequal to ptrs-PortIndex corresponding to each reference signal resource in the second reference signal resource group; the port index of the first reference signal is ptrs-PortIndex corresponding to each reference signal resource in the first reference signal resource group, and the port index of the second reference signal is ptrs-PortIndex corresponding to each reference signal in the second reference signal resource group.
As an embodiment, ptrs-PortIndex allocated to each reference signal resource in the first reference signal resource group are equal, and ptrs-PortIndex allocated to each reference signal resource in the second reference signal resource group are equal; when ptrs-PortIndex of each reference signal resource allocated to the first reference signal resource group is different from ptrs-PortIndex of each reference signal resource allocated to the second reference signal resource group, the port index of the first reference signal is ptrs-PortIndex of each reference signal resource allocated to the first reference signal resource group, and the port index of the second reference signal is ptrs-PortIndex of each reference signal resource allocated to the second reference signal resource group.
As an embodiment, the first reference index is 1, the second reference index is 0, the port index of the PTRS of the first signal is 1, and the port index of the PTRS of the second signal is 0.
As an embodiment, the first reference index is 0, the second reference index is 1, the port index of the PTRS of the first signal is 0, and the port index of the PTRS of the second signal is 1.
As an embodiment, the first reference index is 1 or 0, the second reference index is 0 or 1, the port index of the PTRS of the first signal is 1 or 0, and the port index of the PTRS of the second signal is 0 or 1.
As one embodiment, the first reference index is 1, the second reference index is 0, the port index of the PTRS of the first signal is 1, and the port index of the PTRS of the second signal is 0; or the first reference index is 0, the second reference index is 1, the port of the PTRS of the first signal is 0, and the port of the PTRS of the second signal is 1.
As an embodiment, ptrs-PortIndex corresponding to each reference signal resource in the first reference signal resource group is equal, and ptrs-PortIndex corresponding to each reference signal resource in the second reference signal resource group is equal; ptrs-PortIndex corresponding to each reference signal resource in the first reference signal resource group and ptrs-PortIndex corresponding to each reference signal resource in the second reference signal resource group are unequal; the port index of the PTRS of the first signal is PTRS-PortIndex corresponding to each reference signal resource in the first reference signal resource group, and the port index of the PTRS of the second signal is PTRS-PortIndex corresponding to each reference signal in the second reference signal resource group.
As an embodiment, ptrs-PortIndex allocated to each reference signal resource in the first reference signal resource group are equal, and ptrs-PortIndex allocated to each reference signal resource in the second reference signal resource group are equal; when PTRS-PortIndex of each reference signal resource allocated to the first reference signal resource group is different from PTRS-PortIndex of each reference signal resource allocated to the second reference signal resource group, the port index of the PTRS of the first signal is PTRS-PortIndex of each reference signal resource allocated to the first reference signal resource group, and the port index of the PTRS of the second signal is PTRS-PortIndex of each reference signal resource allocated to the second reference signal resource group.
Example 9
Embodiment 9 illustrates a second schematic diagram of port indexes of a first reference signal and a second reference signal depending on the first reference index and the second reference index according to an embodiment of the present application; as shown in fig. 9.
In embodiment 9, when the first reference index and the second reference index are the same, the port index of the first reference signal is 0, the port index of the second reference signal is 1, or the port index of the first reference signal is 1, and the port index of the second reference signal is 0.
As one embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are different.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are fixed values.
As one embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are fixed, and the port index of the first reference signal and the port index of the second reference signal are different.
As an embodiment, when the first reference index and the second reference index are both equal to 0, the port index of the first reference signal is 0 and the port index of the second reference signal is 1.
As an embodiment, when the first reference index and the second reference index are both equal to 1, the port index of the first reference signal is 0 and the port index of the second reference signal is 1.
As an embodiment, when the first reference index and the second reference index are both equal to 0, the port index of the first reference signal is 1 and the port index of the second reference signal is 0.
As an embodiment, when the first reference index and the second reference index are both equal to 1, the port index of the first reference signal is 1 and the port index of the second reference signal is 0.
As an embodiment, when the first reference index and the second reference index are both equal to 0, the port index of the PTRS of the first signal is 0 and the port index of the PTRS of the second signal is 1.
As an embodiment, when the first reference index and the second reference index are both equal to 1, the port index of the PTRS of the first signal is 0 and the port index of the PTRS of the second signal is 1.
As an embodiment, when the first reference index and the second reference index are both equal to 0, the port index of the PTRS of the first signal is 1 and the port index of the PTRS of the second signal is 0.
As an embodiment, when the first reference index and the second reference index are both equal to 1, the port index of the PTRS of the first signal is 1 and the port index of the PTRS of the second signal is 0.
Example 10
Embodiment 10 illustrates a schematic diagram of a port index of a first reference signal and a port index of a second reference signal depending on a first of the first reference index and the second reference index according to one embodiment of the application; as shown in fig. 10.
In embodiment 10, when the first reference index and the second reference index are the same, the port index of the first reference signal is the first reference index, the port index of the second reference signal is one of Q indexes different from the first reference index, the first reference index is one of the Q indexes, and Q is a positive integer greater than 1.
As an embodiment, when the first reference index and the second reference index are the same, the port index of only the first reference signal of the first reference signal and the second reference signal is the reference index corresponding to the associated reference signal resource group, and the port index of only the second reference signal of the first reference signal and the second reference signal is different from the reference index corresponding to the associated reference signal resource group.
As a sub-embodiment of the above embodiment, when the first reference index and the second reference index are the same, and the first reference signal is a first reference signal of the first reference signal and the second reference signal, a port index of the first reference signal is the first reference index, a port index of the second reference signal is one index different from the first reference index among Q indexes, the first reference index is one of the Q indexes, and Q is a positive integer greater than 1.
As an embodiment, when the first reference index and the second reference index are both equal to 0, the port index of the first reference signal is 0 and the port index of the second reference signal is 1.
As an embodiment, when the first reference index and the second reference index are both equal to 1, the port index of the first reference signal is 1 and the port index of the second reference signal is 0.
As an embodiment, when the first reference index and the second reference index are both equal to 0, the port index of the PTRS of the first signal is 0 and the port index of the PTRS of the second signal is 1.
As an embodiment, when the first reference index and the second reference index are both equal to 1, the acid port index of the PTRS of the first signal is 1 and the port index of the PTRS of the second signal is 0.
Example 11
Embodiment 11 illustrates a schematic diagram of a relationship between a port of a first reference signal, a port of a second reference signal, a port of a first demodulation reference signal, and a second demodulation reference signal according to one embodiment of the application; as shown in fig. 11.
In embodiment 11, the port of the first reference signal is associated with a first antenna port, the first antenna port being one antenna port that transmits the first demodulation reference signal; the port of the second reference signal is associated with a second antenna port, which is one antenna port that transmits the second demodulation reference signal.
As an embodiment, the number of antenna ports of the first demodulation reference signal is the same as the number of antenna ports of the second demodulation reference signal.
As an embodiment, the number of antenna ports of the first demodulation reference signal and the number of antenna ports of the second demodulation reference signal are different.
As an embodiment, the number of antenna ports of the first demodulation reference signal is related to the number of antenna ports of the second demodulation reference signal.
As an embodiment, the number of antenna ports of the first demodulation reference signal is independent of the number of antenna ports of the second demodulation reference signal.
As an embodiment, the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the port of the first reference signal can be used to compensate for phase noise of the first demodulation reference signal; the meaning of "the port of the second reference signal is associated with the second antenna port" includes: the port of the second reference signal can be used to compensate for phase noise of the second demodulation reference signal.
As an embodiment, the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the port of the first reference signal can be used to compensate for phase noise of the first signal; the meaning of "the port of the second reference signal is associated with the second antenna port" includes: the port of the second reference signal can be used to compensate for phase noise of the second signal.
As an embodiment, the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the port of the first reference signal and the first antenna port are transmitted by the same antenna group and correspond to the same precoding vector; the meaning of "the port of the second reference signal is associated with the second antenna port" includes: the port of the second reference signal and the second antenna port are transmitted by the same antenna group and correspond to the same precoding vector; the antenna group includes a positive integer number of antennas.
As an embodiment, the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the small-scale channel fading parameters experienced by the first antenna port can be used to infer small-scale channel fading parameters experienced by the port of the first reference signal; the meaning of "the port of the second reference signal is associated with the second antenna port" includes: the small-scale channel fading parameters experienced by the second antenna port can be used to infer small-scale channel fading parameters experienced by the port of the second reference signal.
As an embodiment, the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the port of the first reference signal and the first antenna port are QCL (Quasi co-location), and the frequency domain resource occupied by the port of the first reference signal belongs to the frequency domain resource occupied by the first antenna port; the meaning of "the port of the second reference signal is associated with the second antenna port" includes: the port of the second reference signal and the second antenna port are QCL, and the frequency domain resource occupied by the port of the second reference signal belongs to the frequency domain resource occupied by the second antenna port.
As an embodiment, the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the frequency domain resource occupied by the port of the first reference signal belongs to the frequency domain resource occupied by the port of the first antenna; the meaning of "the port of the second reference signal is associated with the second antenna port" includes: the frequency domain resource occupied by the port of the second reference signal belongs to the frequency domain resource occupied by the port of the second antenna.
As an embodiment, the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the subcarrier occupied by the port of the first reference signal belongs to the subcarrier occupied by the port of the first antenna; the meaning of "the port of the second reference signal is associated with the second antenna port" includes: the subcarrier occupied by the port of the second reference signal belongs to the subcarrier occupied by the port of the second antenna.
As an embodiment, the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the antenna port of the first reference signal after precoding belongs to the antenna port of the first demodulation reference signal after precoding; the meaning of "the port of the second reference signal is associated with the second antenna port" includes: the precoded antenna port of the second reference signal belongs to the precoded antenna port of the second demodulation reference signal.
As an embodiment, the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the antenna port of the first reference signal after precoding is the same as the antenna port of the first antenna port after precoding; the meaning of "the port of the second reference signal is associated with the second antenna port" includes: and the antenna port of the second reference signal after precoding is the same as the antenna port of the second antenna port after precoding.
As an embodiment, the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the port transmitting the first reference signal and the first antenna port have the same spatial relationship (spatial relationship); the meaning of "the port of the first reference signal is associated with the first antenna port" includes: the port transmitting the second reference signal and the second antenna port have the same spatial relationship (spatial relationship).
As an embodiment, a first port index group includes indexes of all antenna ports of the first demodulation reference signal, a second port index group includes indexes of all antenna ports of the second demodulation reference signal, the first port index group includes port indexes of the first antenna port, and the second port index group includes port indexes of the second antenna port.
As a sub-embodiment of the above embodiment, the first signaling includes a sixth field, and the sixth field included in the first signaling indicates the first port index group.
As a sub-embodiment of the above embodiment, the first port index group and the second port index group are not identical.
As a sub-embodiment of the above embodiment, the first port index group and the second port index group are the same.
As a sub-embodiment of the above embodiment, the first signaling includes a sixth field, and the sixth field included in the first signaling indicates the first port index group and the second port index group.
As a sub-embodiment of the foregoing embodiment, the first signaling includes a sixth domain and a seventh domain, the sixth domain included in the first signaling indicates the first port index group, and the seventh domain included in the first signaling indicates the second port index group.
As an embodiment, the sixth field comprises a positive integer number of bits.
As an embodiment, the sixth domain is the Antenna ports domain.
As an embodiment, the seventh field comprises a positive integer number of bits.
As one embodiment, the name of the seventh field includes Antenna ports.
For a specific definition of the Antenna ports domain, see section 7.3.1.1 in 3gpp ts38.212, for one embodiment.
As an embodiment, the first signaling indicates the first antenna port and the second antenna port.
As an embodiment, the first signaling indicates a port index of the first antenna port and a port index of the second antenna port.
As an embodiment, the port index of the first antenna port and the port index of the second antenna port are indicated by different domains in the first signaling, respectively.
As an embodiment, the port index of the first antenna port and the port index of the second antenna port are indicated by the same field in the first signaling.
As an embodiment, the port index of the first antenna port and the port index of the second antenna port are the same or different.
As an embodiment, the port index of the first antenna port is the same as the port index of the second antenna port.
As an embodiment, the port index of the first antenna port and the port index of the second antenna port are different.
As an embodiment, the first signaling includes an eighth field, and the eighth field included in the first signaling indicates a port index of the first antenna port and a port index of the second antenna port.
As an embodiment, the first signaling is used to indicate a port index of the first antenna port and a port index of the second antenna port.
As an embodiment, the first signaling explicitly indicates a port index of the first antenna port and a port index of the second antenna port.
As an embodiment, the first signaling includes an eighth field, and the eighth field included in the first signaling indicates a port index of the first antenna port and a port index of the second antenna port.
As a sub-embodiment of the above embodiment, the eighth domain included in the first signaling is a PTRS-DMRS association domain, and a specific definition of the PTRS-DMRS association domain is referred to in section 7.3.1.1 in 3gpp ts 38.212.
As an embodiment, the first signaling implicitly indicates a port index of the first antenna port and a port index of the second antenna port.
As an embodiment, the eighth domain included in the first signaling is a PTRS-DMRS association domain.
For a specific definition of the PTRS-DMRS association domain, see section 7.3.1.1 in 3gpp ts38.212, as an example.
Example 12
Embodiment 12 illustrates a block diagram of a processing apparatus for use in a first node device according to an embodiment of the present application; as shown in fig. 11. In fig. 12, the processing means 1200 in the first node device comprises a first receiver 1201 and a first transmitter 1202.
In embodiment 12, the first receiver 1201 receives a first signaling; the first transmitter 1202 transmits a first signal, a second signal, a first reference signal, and a second reference signal in a target time-frequency resource block; the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As an embodiment, the first receiver 1201 receives a first information block and a second information block; the first information block is used for configuring a first reference signal resource set, the second information block is used for configuring a second reference signal resource set, the first reference signal resource group belongs to the first reference signal resource set, and the second reference signal resource group belongs to the second reference signal resource set; the first reference index is one of Q indexes, the second reference index is one of Q indexes, and Q is a positive integer greater than 1; each reference signal resource in the first set of reference signal resources corresponds to one of the Q indices and each reference signal resource in the second set of reference signal resources corresponds to one of the Q indices.
As an embodiment, the first signaling includes a first domain and a second domain, the first domain in the first signaling indicating the first set of reference signal resources, the second domain in the first signaling indicating the second set of reference signal resources; the first reference signal resource group belongs to a first reference signal resource set, the second reference signal resource group belongs to a second reference signal resource set, the first reference signal resource set is the first reference signal resource set in the first reference signal resource set and the second reference signal resource set, and the second reference signal resource set is the second reference signal resource set in the first reference signal resource set and the second reference signal resource set.
As an embodiment, when the first reference index and the second reference index are different, the port index of the first reference signal is the first reference index, and the port index of the second reference signal is the second reference index.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal is 0, the port index of the second reference signal is 1, or the port index of the first reference signal is 1, and the port index of the second reference signal is 0.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal is the first reference index, the port index of the second reference signal is one index different from the first reference index among Q indexes, the first reference index is one of the Q indexes, and Q is a positive integer greater than 1.
As an embodiment, the first transmitter 1202 transmits a first demodulation reference signal and a second demodulation reference signal in the target time-frequency resource block; the port of the first reference signal is associated with a first antenna port, and the first antenna port is one antenna port for transmitting the first demodulation reference signal; the port of the second reference signal is associated with a second antenna port, which is one antenna port that transmits the second demodulation reference signal.
According to an aspect of the application, the first node comprises a user equipment.
According to an aspect of the application, the first node comprises a relay node.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are predefined.
As one embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are preconfigured.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are configured by RRC parameters.
As an embodiment, only one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As an embodiment, the port index of the first reference signal and the port index of the second reference signal both depend on whether the first reference index and the second reference index are identical.
As an example, the first receiver 1201 includes at least one of { antenna 452, receiver 454, receive processor 456, multi-antenna receive processor 458, controller/processor 459, memory 460, data source 467} in example 4.
As an example, the first transmitter 1202 includes at least one of { antenna 452, transmitter 454, transmit processor 468, multi-antenna transmit processor 457, controller/processor 459, memory 460, data source 467} in example 4.
Example 13
Embodiment 13 illustrates a block diagram of a processing apparatus for use in a second node device according to an embodiment of the present application; as shown in fig. 13. In fig. 13, the processing means 1300 in the second node device comprises a second transmitter 1301 and a second receiver 1302.
As an embodiment, the second transmitter 1301 sends a first signaling; the second receiver 1302 receives a first signal, a second signal, a first reference signal, and a second reference signal in a target time-frequency resource block; the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As an embodiment, the second transmitter 1301 transmits a first information block and a second information block; the first information block is used for configuring a first reference signal resource set, the second information block is used for configuring a second reference signal resource set, the first reference signal resource group belongs to the first reference signal resource set, and the second reference signal resource group belongs to the second reference signal resource set; the first reference index is one of Q indexes, the second reference index is one of Q indexes, and Q is a positive integer greater than 1; each reference signal resource in the first set of reference signal resources corresponds to one of the Q indices and each reference signal resource in the second set of reference signal resources corresponds to one of the Q indices.
As an embodiment, the first signaling includes a first domain and a second domain, the first domain in the first signaling indicating the first set of reference signal resources, the second domain in the first signaling indicating the second set of reference signal resources; the first reference signal resource group belongs to a first reference signal resource set, the second reference signal resource group belongs to a second reference signal resource set, the first reference signal resource set is the first reference signal resource set in the first reference signal resource set and the second reference signal resource set, and the second reference signal resource set is the second reference signal resource set in the first reference signal resource set and the second reference signal resource set.
As an embodiment, when the first reference index and the second reference index are different, the port index of the first reference signal is the first reference index, and the port index of the second reference signal is the second reference index.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal is 0, the port index of the second reference signal is 1, or the port index of the first reference signal is 1, and the port index of the second reference signal is 0.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal is the first reference index, the port index of the second reference signal is one index different from the first reference index among Q indexes, the first reference index is one of the Q indexes, and Q is a positive integer greater than 1.
As an embodiment, the second receiver 1302 receives a first demodulation reference signal and a second demodulation reference signal in the target time-frequency resource block; the port of the first reference signal is associated with a first antenna port, and the first antenna port is one antenna port for transmitting the first demodulation reference signal; the port of the second reference signal is associated with a second antenna port, which is one antenna port that transmits the second demodulation reference signal.
As an embodiment, the second node device is a base station device.
As an embodiment, the second node device is a user equipment.
As an embodiment, the second node device is a relay node device.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are predefined.
As one embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are preconfigured.
As an embodiment, when the first reference index and the second reference index are the same, the port index of the first reference signal and the port index of the second reference signal are configured by RRC parameters.
As an embodiment, only one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
As an embodiment, the port index of the first reference signal and the port index of the second reference signal both depend on whether the first reference index and the second reference index are identical.
As an example, the second transmitter 1301 includes at least one of { antenna 420, transmitter 418, transmit processor 416, multi-antenna transmit processor 471, controller/processor 475, memory 476} in example 4.
As an example, the second receiver 1302 includes at least one of { antenna 420, receiver 418, receive processor 470, multi-antenna receive processor 472, controller/processor 475, memory 476} in example 4.
Those of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described methods may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented using one or more integrated circuits. Accordingly, each module unit in the above embodiment may be implemented in a hardware form or may be implemented in a software functional module form, and the present application is not limited to any specific combination of software and hardware. The user equipment, the terminal and the UE in the application comprise, but are not limited to, unmanned aerial vehicles, communication modules on unmanned aerial vehicles, remote control airplanes, aircrafts, mini-planes, mobile phones, tablet computers, notebooks, vehicle-mounted Communication equipment, wireless sensors, network cards, internet of things terminals, RFID terminals, NB-IOT terminals, MTC (MACHINE TYPE Communication) terminals, eMTC (ENHANCED MTC ) terminals, data cards, network cards, vehicle-mounted Communication equipment, low-cost mobile phones, low-cost tablet computers and other wireless Communication equipment. The base station or system device in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, a gNB (NR node B) NR node B, a TRP (TRANSMITTER RECEIVER Point, transmission/reception node), and other wireless communication devices.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the present application. Any changes and modifications made based on the embodiments described in the specification should be considered obvious and within the scope of the present application if similar partial or full technical effects can be obtained.

Claims (10)

1. A first node device for wireless communication, comprising:
a first receiver that receives a first signaling;
a first transmitter transmitting a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block;
Wherein the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
2. The first node device of claim 1, comprising:
The first receiver receives a first information block and a second information block;
Wherein the first information block is used for configuring a first reference signal resource set, the second information block is used for configuring a second reference signal resource set, the first reference signal resource group belongs to the first reference signal resource set, and the second reference signal resource group belongs to the second reference signal resource set; the first reference index is one of Q indexes, the second reference index is one of Q indexes, and Q is a positive integer greater than 1; each reference signal resource in the first set of reference signal resources corresponds to one of the Q indices and each reference signal resource in the second set of reference signal resources corresponds to one of the Q indices.
3. The first node device of claim 1 or 2, wherein the first signaling comprises a first domain and a second domain, the first domain in the first signaling indicating the first set of reference signal resources, the second domain in the first signaling indicating the second set of reference signal resources; the first reference signal resource group belongs to a first reference signal resource set, the second reference signal resource group belongs to a second reference signal resource set, the first reference signal resource set is the first reference signal resource set in the first reference signal resource set and the second reference signal resource set, and the second reference signal resource set is the second reference signal resource set in the first reference signal resource set and the second reference signal resource set.
4. A first node device according to any of claims 1-3, characterized in that when the first reference index and the second reference index are different, the port index of the first reference signal is the first reference index and the port index of the second reference signal is the second reference index.
5. The first node device of any of claims 1 to 4, wherein when the first reference index and the second reference index are the same, the port index of the first reference signal is 0, the port index of the second reference signal is 1, or the port index of the first reference signal is 1, and the port index of the second reference signal is 0.
6. The first node device of any of claims 1-4, wherein when the first reference index and the second reference index are the same, the port index of the first reference signal is the first reference index, the port index of the second reference signal is one of Q indices different from the first reference index, the first reference index is one of the Q indices, and Q is a positive integer greater than 1.
7. The first node device according to any of claims 1 to 6, comprising:
The first transmitter transmits a first demodulation reference signal and a second demodulation reference signal in the target time-frequency resource block;
wherein the port of the first reference signal is associated with a first antenna port, and the first antenna port is one antenna port for transmitting the first demodulation reference signal; the port of the second reference signal is associated with a second antenna port, which is one antenna port that transmits the second demodulation reference signal.
8. A second node device for wireless communication, comprising:
a second transmitter transmitting the first signaling;
A second receiver for receiving the first signal, the second signal, the first reference signal and the second reference signal in the target time-frequency resource block;
Wherein the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
9. A method in a first node for wireless communication, comprising:
receiving a first signaling;
transmitting a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block;
Wherein the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
10. A method in a second node for wireless communication, comprising:
Transmitting a first signaling;
receiving a first signal, a second signal, a first reference signal and a second reference signal in a target time-frequency resource block;
Wherein the first signaling is used to indicate the target time-frequency resource block; the first signaling is used to indicate a first set of reference signal resources used to determine an antenna port to transmit the first signal and a second set of reference signal resources used to determine an antenna port to transmit the second signal; the first reference signal is associated to the first set of reference signal resources and the second reference signal is associated to the second set of reference signal resources; the port index of the first reference signal and the port index of the second reference signal are two different non-negative integers; each reference signal resource in the first reference signal resource group corresponds to a first reference index, each reference signal resource in the second reference signal resource group corresponds to a second reference index, and the first reference index and the second reference index are non-negative integers; at least one of the port index of the first reference signal or the port index of the second reference signal depends on whether the first reference index and the second reference index are identical.
CN202211624427.XA 2022-12-16 2022-12-16 Method and apparatus in a node for wireless communication Pending CN118214527A (en)

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