CN116456351A

CN116456351A - Method and apparatus in a node for wireless communication

Info

Publication number: CN116456351A
Application number: CN202210008633.1A
Authority: CN
Inventors: 刘铮; 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2023-07-18
Also published as: WO2023131145A1

Abstract

A method and apparatus in a node for wireless communication is disclosed. A node receives a first information block and a second information block, the first information block determining a first set of REs, the first set of REs being used for a first type of reference signal; monitoring control channel alternatives in a first control resource set, wherein the first control resource set comprises REs used for second-class reference signals; at least one overlapping RE exists between the first set of REs and the first set of control resources; the first control resource set comprises a characteristic resource subset, the characteristic resource subset comprises a plurality of time-frequency units, and any two time-frequency units contained in the characteristic resource subset adopt the same precoding; the second information block is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel. The method and the device improve the link performance.

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 scheme and apparatus of a control channel in wireless communication.

Background

Future wireless communication systems have more and more diversified application scenes, and different application scenes have different performance requirements on the system. To meet different performance requirements of various application scenarios, research on a New air interface technology (NR, new Radio) (or 5G) is decided on the 3GPP (3 rd Generation Partner Project, third generation partnership project) RAN (Radio Access Network ) #72 full-time, and standardization Work on NR is started on the 3GPP RAN #75 full-time WI (Work Item) that passes the New air interface technology (NR, new Radio).

Coexistence and smooth evolution between new air interface technologies and other air interface technologies (such as LTE) have very important value for shared utilization and commercial deployment of spectrum, so 3GPP is constantly working on guaranteeing efficient coexistence and smooth transition between new air interface technologies and other air interface technologies during evolution of new air interface technologies.

Disclosure of Invention

In NR systems, the capacity of the control channel often becomes a bottleneck for the capacity of the overall system. A solution is disclosed for the transmission problem of control channels in NR. It should be noted that, in the description of the present application, only coexistence or spectrum sharing of the new air interface technology and other air interface technologies is taken as a typical application scenario or example; the application is also applicable to other scenes facing similar problems (such as scenes with higher requirements on the robustness or capacity of a control channel, or scenes with collision between the control channel and other channels or signals by adopting the same air interface technology, including but not limited to a capacity enhancement system, an IoT (Internet of Things, internet of things), a URLLC (Ultra Reliable Low Latency Communication, ultra-robust low-latency communication) network, an internet of vehicles and the like), and similar technical effects can be achieved. Furthermore, the adoption of a unified solution for different scenarios (including but not limited to spectrum sharing scenarios) also helps to reduce hardware complexity and cost. Embodiments and features of embodiments in a first node device of the present application may be applied to a second node device and vice versa without conflict. In particular, the term (Terminology), noun, function, variable in this application may be interpreted (if not specifically stated) with reference to the definitions in the 3GPP specification protocols TS36 series, TS38 series, TS37 series.

The application discloses a method in a first node for wireless communication, comprising:

receiving a first information block and receiving a second information block, the first information block being used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal;

monitoring control channel alternatives in a first control resource set, wherein the first control resource set comprises a plurality of REs, at least one RE in the first control resource set is used for second-type reference signals, the second-type reference signals and the first-type reference signals are respectively two types of different reference signals, and the second-type reference signals are used for demodulation of control channels;

wherein, there is at least one overlapping RE between the first RE set and the first control resource set; the first control resource set comprises a characteristic resource subset, the characteristic resource subset comprises a plurality of time-frequency units, any one time-frequency unit included in the characteristic resource subset comprises a plurality of REs, and any two time-frequency units included in the characteristic resource subset adopt the same precoding; the second information block is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, the spatial relationship of the two types of reference signals is configured and/or the first type of reference signal is used for the control channel, so as to improve the link performance of the control channel transmission.

According to an aspect of the present application, the above method is characterized in that a first offset value is used to determine the first RE set, the first offset value being a non-negative integer, the first offset value being equal to a remainder of a first identification divided by 6, the first identification being a non-negative integer; the first information block is used to indicate the first identity or the first information block is used to indicate the first offset value.

As an embodiment, avoiding repeated configuration of parameters reduces signaling header overhead.

According to an aspect of the present application, the above method is characterized in that the first set of REs comprises a first subset of REs and a second subset of REs, the first subset of REs comprising a plurality of REs, the second subset of REs comprising a plurality of REs; two sub-information blocks included in the first information block are used to determine the first RE subset and the second RE subset, respectively; the index of the control resource set resource pool to which the first control resource set belongs is used to determine a target RE subset from between the first RE subset and the second RE subset, and the second information block is used to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels.

As one example, the use of a subset of target REs supports multi-TRP or multi-panel operation, further improving control channel performance.

According to one aspect of the present application, the method is characterized by comprising:

receiving a third information block;

wherein the third information block is used to determine a second set of REs comprising a plurality of REs, the relationship between the first set of REs and the second set of REs being used to determine monitoring control channel alternatives in the first set of control resources.

As an embodiment, the relation of the first RE set and the second RE set determines that the monitoring behavior of the control channel alternatives avoids configuration conflicts and ensures backward compatibility.

According to an aspect of the present application, the method is characterized in that at least one of the number of antenna ports of the first type of reference signal, the precoding granularity of the first set of control resources, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located is used for determining to monitor the first set of control resources for control channel alternatives.

As an example, flexible product design is provided according to different situations, while ensuring the performance of the most important control channel.

transmitting a fourth information block;

wherein the fourth information block is used to indicate a capability of the first node device, the capability of the first node device including at least one of the first node device supporting REs for which there is at least one overlap between the first set of REs and the first set of control resources and the first node device supporting that the first type of reference signal is used for a control channel.

According to one aspect of the application, the method is characterized in that the relationship between the feature resource subset and the first RE set accords with a relationship other than a feature relationship, and the feature relationship is one of a first relationship or a second relationship; the first relationship comprises at least one overlapping RE between only a portion of the time-frequency units in the subset of feature resources and the first set of REs, and the second relationship comprises at least one overlapping RE between the subset of feature resources and the first set of REs.

As an embodiment, the first relation comprises REs in the subset of characteristic resources having at least one overlap between only part of the time-frequency units and the first set of REs while reducing complexity while guaranteeing channel estimation performance.

According to an aspect of the present application, the above method is characterized in that the second information block is used for determining at least one of a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal, and precoding of the second type of reference signal.

As an embodiment, the type of quasi co-located relation between the first type of reference signal and the second type of reference signal and/or the precoding information of the second type of reference signal are obtained, so as to improve the receiving performance of the control channel.

The application discloses a method in a second node for wireless communication, comprising:

transmitting a first information block and transmitting a second information block, the first information block being used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal;

transmitting a control channel alternative in a first control resource set, wherein the first control resource set comprises a plurality of REs, at least one RE in the first control resource set is used for second-type reference signals, the second-type reference signals and the first-type reference signals are respectively two types of different reference signals, and the second-type reference signals are used for demodulation of a control channel;

transmitting a third information block;

receiving a fourth information block;

wherein the fourth information block is used to indicate capabilities of a sender of the fourth information block, the capabilities of the sender of the fourth information block including at least one of a sender of the fourth information block supporting at least one overlapping RE between the first set of REs and the first set of control resources and a sender of the fourth information block supporting the first type of reference signal being used for a control channel.

The application discloses a first node device for wireless communication, comprising:

a first transceiver to receive a first information block and to receive a second information block, the first information block being used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal;

a first receiver monitoring control channel alternatives in a first control resource set, wherein the first control resource set comprises a plurality of REs, at least one RE in the first control resource set is used for second-type reference signals, the second-type reference signals and the first-type reference signals are respectively two different-type reference signals, and the second-type reference signals are used for demodulation of control channels;

The application discloses a second node device for wireless communication, comprising:

a second transceiver to transmit a first information block and to transmit a second information block, the first information block being used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal;

a first transmitter transmitting a control channel candidate in a first control resource set, wherein the first control resource set comprises a plurality of REs, at least one RE in the first control resource set is used for a second type of reference signal, the second type of reference signal and the first type of reference signal are respectively two types of different reference signals, and the second type of reference signal is used for demodulation of a control channel;

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 illustrates a flow chart of a first information block, a second information block, and a monitoring control channel alternative according to one embodiment of the present application;

FIG. 2 shows a schematic diagram of a network architecture according to one embodiment of the present application;

fig. 3 shows a schematic diagram of a radio protocol architecture of a user plane and a control plane according to one embodiment of the present application;

FIG. 4 illustrates a schematic diagram of a first node device and a second node device according to one embodiment of the present application;

fig. 5 shows a wireless signal transmission flow diagram according to one embodiment of the present application;

FIG. 6 illustrates a schematic diagram of a first offset value according to one embodiment of the present application;

FIG. 7 illustrates a schematic diagram of a relationship between a first subset of REs and a second subset of REs, according to one embodiment of the present application;

FIG. 8 illustrates a schematic diagram of a relationship between a first set of REs and a second set of REs, according to one embodiment of the present application;

FIG. 9 illustrates a schematic diagram of precoding granularity of a first set of control resources in accordance with one embodiment of the present application;

FIG. 10 illustrates a schematic diagram of the capabilities of a first node device according to one embodiment of the present application;

FIG. 11 illustrates a schematic diagram of a first relationship and a second relationship according to one embodiment of the present application;

FIG. 12 illustrates a schematic diagram of precoding of a second type of reference signal according to one embodiment of the present application;

fig. 13 shows a block diagram of a processing arrangement in a first node device according to an embodiment of the present application;

fig. 14 shows a block diagram of the processing apparatus in the second node device according to an embodiment of the present application.

Detailed Description

The technical solution of the present application will be further described in detail with reference to the accompanying drawings, and it should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be arbitrarily combined with each other.

Example 1

Embodiment 1 illustrates a flow chart 100 of a first information block, a second information block, and a monitoring control channel alternative according to one embodiment of the present application, as shown in fig. 1. In fig. 1, each block represents a step, and it is emphasized in particular that the order of the blocks in the drawing is not limited to the temporal relationship between the represented steps.

In embodiment 1, a first node device in the present application receives a first information block and receives a second information block in step 101, the first information block being used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal; the first node device monitors control channel alternatives in a first control resource set in step 102, wherein the first control resource set comprises a plurality of REs, at least one RE in the first control resource set is used for second-type reference signals, the second-type reference signals and the first-type reference signals are respectively two different-type reference signals, and the second-type reference signals are used for demodulation of control channels; wherein, there is at least one overlapping RE between the first RE set and the first control resource set; the first control resource set comprises a characteristic resource subset, the characteristic resource subset comprises a plurality of time-frequency units, any one time-frequency unit included in the characteristic resource subset comprises a plurality of REs, and any two time-frequency units included in the characteristic resource subset adopt the same precoding; the second information block is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, the first information block is transmitted over an air interface or a wireless interface.

As an embodiment, the first information block includes all or part of a higher layer signaling or a physical layer signaling.

As an embodiment, the first information block includes all or part of an RRC (Radio Resource Control ) layer signaling or a MAC (MediumAccess Control ) layer signaling.

As an embodiment, the first information block comprises all or part of a system information block (SIB, system Information Block).

As an embodiment, the first information block is Cell Specific or user equipment Specific (UE-Specific).

As an embodiment, the first information block is configured per BWP (Bandwidth Part) (Per BWP Configured).

For one embodiment, the first information block includes all or part of a Field (Field) in a DCI (Downlink Control Information) format.

As an embodiment, the first information block includes all or part of a Field (Field) CRS-to-match in RRC layer signaling.

As an embodiment, the first information block includes all or part of a Field (Field) "lte-CRS-Punctoringpdcch" in RRC layer signaling.

As an embodiment, the first information block includes all or part of a Field (Field) "lte-CRS-PatternList1" or "lte-CRS-PatternList2" in RRC layer signaling.

As an embodiment, the first information block includes all or part of the Field (Field) in an IE (Information Element ) "ratevappattternle-CRS" in RRC layer signaling.

As an embodiment, the first information block includes all or part of the Field (Field) in an IE (Information Element ) "pdcchhpunctinglte-CRS" in RRC layer signaling.

As an example, the first information block includes all or part of the fields (fields) in an IE (Information Element ) "CSI-ResourceConfig" or "CSI-SSB-ResourceSet" in RRC layer signaling.

As an embodiment, the first information block includes all or part of the Field (Field) in an IE (Information Element ) "CSI-IM-Resource" in RRC layer signaling.

As an example, the first information block includes all or part of the fields (fields) in an IE (Information Element ) "SSB-Index" or "SSB-periodic service cell" in RRC layer signaling.

As an embodiment, the first information block includes all or part of a Field (Field) in an IE "LTE-CRS-PatternList" in RRC layer signaling.

As an embodiment, the first information block includes all or part of the fields (fields) in the IE "ServingCellConfig" or "ServingCellConfigCommon" in one RRC layer signaling.

As an embodiment, the first information block includes more than 1 sub information blocks, and each sub information block included in the first information block is an IE (information element) or a Field (Field) in RRC layer signaling to which the first information block belongs; one or more sub-information blocks included in the first information block are used to determine the first set of REs. As an auxiliary embodiment of the above embodiment, the one or more sub-information blocks included in the first information block are used to determine an RE subset List (List), where the RE subset List includes a plurality of RE subsets, and the RE subsets in the RE subset List form the first RE set.

As an embodiment, the expression "said first information block is used to determine the first RE set" in the claims comprises the following meanings: the first information block is used by the first node device in the present application to determine the first RE set.

As an embodiment, the expression "said first information block is used to determine the first RE set" in the claims comprises the following meanings: the second set of REs in this application includes the first set of REs, and the first information block is used to explicitly or implicitly indicate the first set of REs from the second set of REs.

As an embodiment, the expression "said first information block is used to determine the first RE set" in the claims comprises the following meanings: the first information block is used to explicitly or implicitly indicate the first set of REs.

As an embodiment, the expression "said first information block is used to determine the first set of REs" in the claims is achieved by claim 2 in the present application.

As an embodiment, the expression "said first information block is used to determine the first RE set" in the claims comprises the following meanings: the first information block is used to explicitly or implicitly indicate the number and distribution of REs included in the first set of REs.

As an embodiment, the expression "said first information block is used to determine the first RE set" in the claims comprises the following meanings: the first information block is used to explicitly or implicitly indicate the number of antenna ports of the first type of reference signals and the frequency domain locations of REs comprised by the first set of REs.

As an embodiment, the expression "said first information block is used to determine the first RE set" in the claims comprises the following meanings: the first information block is used to explicitly or implicitly indicate the number of antenna ports of the first type of reference signal.

As an embodiment, the expression "said first information block is used to determine the first RE set" in the claims comprises the following meanings: the first information block is used to explicitly or implicitly indicate frequency domain locations of REs included in the first set of REs.

As an embodiment, the expression "said first information block is used to determine the first RE set" in the claims comprises the following meanings: the first information block is used to explicitly or implicitly indicate a v-shift (v-shift) corresponding to REs included in the first set of REs.

As an embodiment, the expression "said first information block is used to determine the first RE set" in the claims means: the first information block is used for explicitly or implicitly indicating at least one of the number of antenna ports of the first type of reference signals, v-shift (v-shift) corresponding to REs included in the first RE set, bandwidth of an LTE carrier to which the first RE set belongs in a frequency domain, downlink center frequency of the LTE carrier to which the first RE set belongs in the frequency domain, and subframe to which the first RE set belongs in a time domain; at least one of the number of antenna ports of the first type of reference signals, a v-shift (v-shift) corresponding to REs included in the first RE set, a bandwidth of an LTE carrier to which the first RE set belongs in a frequency domain, a downlink center frequency of the LTE carrier to which the first RE set belongs in the frequency domain, and a subframe to which the first RE set belongs in a time domain is used to determine the first RE set.

As an embodiment, the expression "the first information block is used to determine the first set of REs" in the claims means that the first information block is used to explicitly or implicitly indicate a v-shift (v-shift) value, which is indicated by the first information block to be used for determining the first set of REs.

As an embodiment, the second information block is transmitted over an air interface or a wireless interface.

As an embodiment, the second information block includes all or part of a higher layer signaling or a physical layer signaling.

As an embodiment, the second information block includes all or part of an RRC (Radio Resource Control ) layer signaling or a MAC (MediumAccess Control ) layer signaling.

As an embodiment, the second information block comprises all or part of a system information block (SIB, system Information Block).

As an embodiment, the second information block is Cell Specific or user equipment Specific (UE-Specific).

As an embodiment, the second information block is configured per BWP (Bandwidth Part) (PerBWP Configured).

As an embodiment, the second information block is configured per set of control resources (per core) or per set of search spaces (per search space set).

As an embodiment, the second information block is configured per REG binding (per REG bundle) or per RB subset (per RB subset).

For one embodiment, the second information block includes all or part of a Field (Field) in a DCI (Downlink Control Information) format.

As an example, the second information block includes all or part of a Field (Field) in RRC layer signaling "control resource estto addmodlist" or "control resource estto releaselist".

As an example, the second information block includes all or part of a Field (Field) in RRC layer signaling "searchspacestoadmodlist" or "searchspacestoreaselist".

As an embodiment, the second information block includes an IE (Information Element ) in RRC layer signaling, all or part of the Field (Field) in "pdcch-configcib 1" or "pdcch-ConfigCommon".

As one example, the second information block includes all or part of the fields (fields) in an IE "BWP-downlinkCommon" or "BWP-downlinkDescripted" in RRC layer signaling.

As an embodiment, the second information block includes all or part of the Field (Field) in the IE "pdcch-Config" in one RRC layer signaling.

For one embodiment, the second information block includes all or part of the Field (Field) in an IE "controlresource" in RRC layer signaling.

For one embodiment, the second information block includes all or part of the Field (Field) in the IE "SearchSpace" in one RRC layer signaling.

As an embodiment, the first information block precedes the second information block.

As an embodiment, the first information block follows the second information block.

As an embodiment, the first information block and the second information block are transmitted over the same physical channel.

As an embodiment, the first information block and the second information block are transmitted via physical channels occupying different time-frequency resources.

As an embodiment, the first information block and the second information block belong to two different fields through one IE.

As an embodiment, the first information block and the second information block belong to two different IEs.

As an embodiment, the first information block and the second information block belong to two different signaling.

As an embodiment, the first information block and the second information block belong to the same physical layer or higher layer signaling.

As an embodiment, a subcarrier spacing (SCS, subcarrier spacing) of subcarriers occupied by any one RE (Resource Element) included in the first RE set in the frequency domain is equal to 15kHz.

As an embodiment, the subcarrier spacing of the subcarriers occupied by any one RE (Resource Element) included in the first RE set in the frequency domain is equal to one of 7.5kHz, 15kHz, 30kHz, and 60 kHz.

As an embodiment, all REs included in the first set of REs belong to the same time slot in the time domain.

As an embodiment, all REs included in the first RE set belong to the same subframe in the time domain.

As an embodiment, all REs included in the first set of REs belong to the same 5GNR slot in the time domain.

As an embodiment, the REs comprised by the first set of REs are periodically distributed in the time domain.

As an embodiment, the first set of REs includes all REs occupied by the first type of reference signal.

As an embodiment, the first set of REs comprises REs that are partially occupied by the first type of reference signals.

As an embodiment, the first set of REs comprises only REs occupied by the first type of reference signal belonging to the same serving cell or the same TRP (TransmitReceive Point, transmitting receiving node).

As an embodiment, the first set of REs comprises REs occupied by the first type of reference signals belonging to different serving cells or different TRPs (Transmit Receive Point, transmitting receiving node).

As an embodiment, any one RE included in the first RE set is used for the first type of reference signal.

As an embodiment, the first set of REs comprises one RE not occupied by the first type of reference signal.

As an embodiment, the first node device in the present application assumes (assume) that the first set of REs includes at least one RE occupied by a first type of reference signal.

As an embodiment, the first node device in the present application assumes that any one RE included in the first set of REs is occupied by the first type of reference signal.

As an embodiment, the first type of reference signal is CRS (Common Reference Signal ).

As an embodiment, the first type of reference signal is a TRS (Tracking Reference Signal ), or the first type of reference signal is a PTRS (Phase-Tracking Reference Signal, phase tracking reference signal), or the first type of reference signal is a PRS (Positioning Reference Signal, positioning tracking reference signal), or the first type of reference signal is a RIM-RS (Remote Interference Measurement, remote interference measurement reference signal).

As an embodiment, the first type of reference signal is PSS (Primary Synchronization Signal ) or SSS (Secondary Synchronization Signal, secondary synchronization signal).

As an embodiment, the first type of reference signal is an SS/PBCH block (Synchronization Signal/Physical Broadcast Channel Block, synchronous broadcast block).

As an embodiment, the first type of reference signal is a CSI-RS (channel status informationreference signal, channel state information reference signal).

As an embodiment, the first type of reference signal is a reference signal in LTE (Long TermEvolution ).

As an embodiment, the first type of reference signal is CRS or CSI-RS in LTE.

As an embodiment, the first type of reference signal resource is mapped to any one RE included in the first RE set.

As an embodiment, the first type reference signal occupies any one RE included in the first RE set.

As an embodiment, any one RE included in the first set of REs is actually occupied by the first type of reference signal.

As an embodiment, the first RE set includes one RE that is not actually occupied by the first type of reference signal, but the first node device in the present application assumes that any one RE included in the first RE set is occupied by the first type of reference signal.

As an embodiment, the first set of control resources is a CORESET (Control Resource Set, set of control resources).

As an embodiment, the first set of control resources is an index or CORESET with an identification equal to 0.

As an embodiment, the first set of control resources is an index or CORESET identifying a value other than 0.

As an embodiment, the subcarrier spacing (SCS, subcarrier spacing) of subcarriers occupied by any one RE included in the first control resource set in the frequency domain is equal to 15kHz.

As an embodiment, the subcarrier spacing (SCS, subcarrier spacing) of the subcarriers included in the bandwidth part (BWP) to which the first set of control resources belongs in the frequency domain is equal to 15kHz.

As an embodiment, a subcarrier spacing (SCS, subcarrier spacing) of subcarriers occupied by any one RE included in the first control resource set in the frequency domain is greater than 15kHz.

As an embodiment, the first set of control resources is a CORESET in an MO (Monitoring Occasion, monitor opportunity).

As an embodiment, the first Set of control resources is a CORESET associated to at least one Search Space Set (Search Space Set).

As an embodiment, any one of the control channel alternatives monitored in the first set of control resources is a PDCCH alternative (Candidate).

As an embodiment, any one of the control channel alternatives Monitored in the first set of control resources is a Monitored (Monitored) PDCCH alternative (Candidate).

As an embodiment, any one of the control channel alternatives monitored in the first set of control resources is a PDCCH alternative belonging to at least one set of search spaces associated (associated) with the first set of control resources.

As one embodiment, monitoring (Monitoring) the control channel alternatives is Decoding (Decoding) the control channel alternatives.

As one embodiment, monitoring (Monitoring) the control channel alternatives is blind decoding (BlindDecoding) of the control channel alternatives.

As one embodiment, monitoring (Monitoring) the control channel alternatives is decoding and CRC checking of the control channel alternatives.

As an embodiment, the Monitoring (Monitoring) control channel alternatives is a CRC check scrambled with a decoding (decoding) and an RNTI (Radio NetworkTemporary Identity ) of the control channel alternatives.

As one embodiment, monitoring (Monitoring) the control channel alternatives is Decoding (Decoding) the control channel alternatives based on the monitored DCI Format(s).

As an embodiment, the expression "monitoring control channel alternatives in the first set of control resources" in the claims includes the following meanings: monitoring control channel alternatives belonging to the first set of control resources.

As an embodiment, the expression "monitoring control channel alternatives in the first set of control resources" in the claims includes the following meanings: control channel alternatives belonging to a set of search spaces associated with the first set of control resources are monitored.

As an embodiment, the expression "monitoring control channel alternatives in the first set of control resources" in the claims includes the following meanings: and monitoring that the occupied time-frequency resource belongs to a control channel alternative of the first control resource set.

As an embodiment, the expression "monitoring control channel alternatives in the first set of control resources" in the claims includes the following meanings: at least one control channel candidate is monitored in the first set of control resources.

As an embodiment, CCEs (Control Channel Element, control channel elements) occupied by control channel alternatives monitored in the first set of control resources belong to the first set of control resources.

As an embodiment, the number of monitored control channel alternatives in the first set of control resources is greater than 1.

As an embodiment, the number of monitored control channel alternatives in the first set of control resources is equal to 1.

As an embodiment, the number of control channel alternatives monitored in the first set of control resources is signalling configured.

As one embodiment, the number of control channel alternatives monitored in the first set of control resources is equal to the number of control channel alternatives included in a set of search spaces associated with the first set of control resources.

As an embodiment, the second type of reference signal is a DMRS (Demodulation Reference Signal ).

As an embodiment, the second type of reference signal is PDCCH DMRS.

As an embodiment, the second type of reference signal is PDCCH DMRS in 5 GNRs.

As an embodiment, a plurality of REs included in the first set of control resources are used for the second type of reference signals.

As an embodiment, the first set of control resources includes REs other than REs used for the second type of reference signals.

As an embodiment, the distribution of REs included in the first set of control resources that are used for the second reference signal in the first set of control resources is fixed.

As an embodiment, the expression "the first set of control resources comprises at least one RE being used for the second type of reference signal" in the claims comprises the following meanings: the second type of reference signals are resource mapped onto at least one RE included in the first set of control resources.

As an embodiment, the expression "the first set of control resources comprises at least one RE being used for the second type of reference signal" in the claims comprises the following meanings: the second type reference signals occupy at least one RE included in the first set of control resources.

As an embodiment, the expression "the first set of control resources comprises at least one RE being used for the second type of reference signal" in the claims comprises the following meanings: at least one RE included in the first set of control resources is used for transmission of the second type of reference signals.

As an embodiment, the expression "the first set of control resources comprises at least one RE being used for the second type of reference signal" in the claims comprises the following meanings: the first node device in this application assumes that at least one RE included in the first set of control resources is used for the second type of reference signal.

As an embodiment, the expression "the first set of control resources comprises at least one RE being used for the second type of reference signal" in the claims comprises the following meanings: the first set of control resources includes at least one RE actually used for the second type of reference signal.

As an embodiment, the expression "the first set of control resources comprises at least one RE being used for the second type of reference signal" in the claims comprises the following meanings: none of the REs in the first set of control resources are actually used for the second type of reference signals, but the first node device in this application assumes that at least one RE is included in the first set of control resources for the second type of reference signals.

As an embodiment, the first set of control resources includes all REs used for the second type of reference signal.

As an embodiment, the first set of control resources comprises REs partly used for the second type of reference signals.

As an embodiment, the expression "the second type of reference signal is used for demodulation of control channels" in the claims includes the following meanings: the second type of reference signals are PDCCH demodulation reference signals.

As an embodiment, the expression "the second type of reference signal is used for demodulation of control channels" in the claims includes the following meanings: the second type of reference signals are used for channel estimation in control channel demodulation.

As an embodiment, the expression "the second type of reference signal is used for demodulation of control channels" in the claims includes the following meanings: the channel experienced by the modulation symbols of the control channel transmitted on one antenna port may be derived from the symbols of the second type of reference signal transmitted on the same antenna port.

As an embodiment, the expression "the second type of reference signal is used for demodulation of control channels" in the claims includes the following meanings: when the second type of reference signal and the control channel used for demodulation are within the resources assumed by the first node device in this application to employ the same precoding, the channel experienced by the modulation symbols of the control channel transmitted on one antenna port can be derived from the symbols of the second type of reference signal transmitted on the same antenna port.

As an embodiment, the expression "the second type of reference signal and the first type of reference signal are two different types of reference signals" in the claims includes the following meanings: the second type of reference signals and the first type of reference signals belong to two different RATs (Radio Access Technology ), respectively.

As an embodiment, the expression "the second type of reference signal and the first type of reference signal are two different types of reference signals" in the claims includes the following meanings: the second type reference signal and the first type reference signal respectively belong to 5GNR (New Radio) and LTE.

As an embodiment, the expression "the second type of reference signal and the first type of reference signal are two different types of reference signals" in the claims includes the following meanings: the second type of reference signals and the first type of reference signals both belong to 5 GNRs but the second type of reference signals and the first type of reference signals are of different uses.

As an embodiment, the expression "the second type of reference signal and the first type of reference signal are two different types of reference signals" in the claims includes the following meanings: the second type of reference signals are DMRS and the first type of reference signals are CRS.

As an embodiment, the expression "the second type of reference signal and the first type of reference signal are two different types of reference signals" in the claims includes the following meanings: the second type of reference signals are DMRS and the first type of reference signals are SS/PBCH blocks.

As an embodiment, the expression "the second type of reference signal and the first type of reference signal are two different types of reference signals" in the claims includes the following meanings: the second type of reference signals are PDCCH DMRS and the first type of reference signals are CRS.

As an embodiment, the expression "the second type of reference signal and the first type of reference signal are two different types of reference signals" in the claims includes the following meanings: the second type of reference signals are DMRS and the first type of reference signals are CSI-RS.

As an embodiment, the expression "the second type of reference signal and the first type of reference signal are two different types of reference signals" in the claims includes the following meanings: the second type of reference signals are reference signals reflecting equivalent channels, and the first type of reference signals are reference signals reflecting actual channels.

As an embodiment, the expression "the second type of reference signal and the first type of reference signal are two different types of reference signals" in the claims includes the following meanings: the second type of reference signals are precoded reference signals, and the first type of reference signals are reference signals that are not precoded.

As an embodiment, the expression "there is at least one overlapping RE between the first RE set and the first control resource set" and "Non-orthogonal (Non-orthogonal) between the first RE set and the first control resource set" in the claims is equivalent or may be used interchangeably.

As an embodiment, the expressions "there is at least one overlapping RE between the first set of REs and the first set of control resources" and "there is overlapping time-frequency resources between the first set of REs and the first set of control resources" in the claims are equivalent or are mutually exchangeable.

As an embodiment, the expressions "there is at least one overlapping RE between the first set of REs and the first set of control resources" and "there is at least one RE belonging to both the first set of REs and the first set of control resources" in the claims are equivalent or are mutually exchangeable.

As an embodiment, the expression "there is at least one overlapping RE between the first set of REs and the first set of control resources" and "any one RE comprised by the first set of REs belongs to the first set of control resources" in the claims is equivalent or can be used interchangeably.

As an embodiment, the expressions "there is at least one overlapping RE between the first RE set and the first control resource set" and "the first RE set and the first control resource set overlap completely or partially in the time-frequency domain" in the claims are equivalent or can be used interchangeably.

As an embodiment, the expression "there is at least one overlapping RE between the first set of REs and the first set of control resources" and "non-orthogonal between the time-frequency resources occupied by the first set of REs and the time-frequency resources occupied by the first set of control resources" in the claims is equivalent or may be used interchangeably.

As an embodiment, the expressions "there is at least one overlapping RE between the first set of REs and the first set of control resources" and "the first set of control resources comprises REs punctured by the first type of reference signal" in the claims are equivalent or are used interchangeably.

As an embodiment, the expressions "there is at least one overlapping RE between the first set of REs and the first set of control resources" and "PDCCH is punctured by LTE CRS" in the claims are equivalent or may be used interchangeably.

As an embodiment, the expressions "there is at least one overlapping RE between the first set of REs and the first set of control resources" and "signaling configuration enabled (enabled) PDCCH is punctured by LTE CRS" in the claims are equivalent or may be used interchangeably.

As an embodiment, the feature resource subset and the first control resource set are identical or are mutually interchangeable.

As an embodiment, when the first control Resource set includes only frequency domain consecutive Resource Blocks (RBs), the characteristic Resource subset is the first control Resource set.

As an embodiment, when the first set of control resources includes only one subset of frequency domain non-contiguous Resource Blocks (RBs), the subset of signature resources and the first set of control resources include the same REs.

As an embodiment, the subset of feature resources and the first set of control resources are different.

As an embodiment, the subset of feature resources belongs to the first set of control resources.

As an embodiment, the first set of control resources includes REs outside the subset of feature resources.

As an embodiment, the number of time-frequency units comprised by the subset of characteristic resources is related to the precoding granularity of the first set of control resources.

As an embodiment, the subset of signature resources is any one of the precoding particles of the first set of control resources.

As an embodiment, the feature resource subset is one REG (Resource Element Group ) binding (bundle).

As an embodiment, the subset of signature resources is one CCE.

As an embodiment, the feature resource subset occupies, in the frequency domain, a RB subset including one RB occupying consecutive RBs in the frequency domain, which is included in the first control resource set.

As an embodiment, the subset of characteristic resources is a set of REGs that any one of the first node devices assumes to employ the same precoding.

As an embodiment, the feature resource subset is one REG bundling (bundle), or the feature resource subset occupies one RB subset of RBs included in the first control resource set that occupy consecutive RBs in the frequency domain.

As an embodiment, the subset of characteristic resources is time-frequency resources occupied by one control channel candidate.

As an embodiment, the subset of feature resources consists of REs occupied by one control channel candidate.

As an embodiment, the subset of characteristic resources consists of REGs or REG bundles occupied by one control channel alternative.

As an embodiment, the subset of signature resources consists of CCEs occupied by one control channel candidate.

As an embodiment, the subset of characteristic resources occupies contiguous frequency domain resources and occupies contiguous resources in the time domain.

As an embodiment, the feature resource subset occupies consecutive RBs in the frequency domain and occupies consecutive time domain symbols in the time domain.

As an embodiment, the time domain symbol occupied by the feature resource subset in the time domain is the same as the time domain symbol occupied by the first control resource set in the time domain.

As an embodiment, the subset of characteristic resources and the first set of control resources occupy the same time domain resources in the time domain.

As an embodiment, any one time-frequency unit included in the feature resource subset occupies one RB in the frequency domain and occupies one time-domain symbol in the time domain.

As an embodiment, any one of the time-frequency units included in the feature resource subset is one REG.

As an embodiment, any one of the time-frequency units included in the feature resource subset is a CCE.

As an embodiment, any one of the time-frequency units included in the feature resource subset is one REG binding.

As an embodiment, any two time-frequency units comprised by the subset of feature resources comprise the same number of REs.

As an embodiment, the subset of feature resources comprises two time-frequency units comprising different numbers of REs.

As an embodiment, at least one RE is included in any one of the time-frequency units included in the feature resource subset and is used for the second type reference signal.

As an embodiment, the number of time-frequency units comprised by the subset of feature resources is configured by higher layer signaling (higher layer signalling) or higher layer parameters.

As an embodiment, the number of time-frequency units comprised by the subset of characteristic resources is related to the number of symbols comprised by the first set of control resources in the time domain.

As an embodiment, the number of symbols comprised by the first set of control resources in the time domain is used together with higher layer signaling (higher layer signalling) or higher layer parameters to determine the number of time-frequency units comprised by the subset of feature resources.

As an embodiment, the expression "the first set of control resources comprises a subset of feature resources" and "any RE comprised by the subset of feature resources belongs to the first set of control resources" in the claims is equivalent or mutually exchangeable.

As an embodiment, the expression "the first set of control resources comprises a subset of feature resources" and "the subset of feature resources consists of all or part of REs in the first set of control resources" in the claims is equivalent or mutually exchangeable.

As an embodiment, the expressions "the first set of control resources comprises a subset of feature resources" and "the subset of feature resources is a subset of REs comprised by the first set of control resources" in the claims are equivalent or are mutually exchangeable.

As an embodiment, the expression "any two time-frequency units comprised by said subset of characteristic resources take the same precoding" in the claims includes the following meanings: the first node device in the present application assumes that any two time-frequency units included in the feature resource subset use the same precoding.

As an embodiment, the expression "any two time-frequency units comprised by said subset of characteristic resources take the same precoding" in the claims includes the following meanings: the first node device in this application assumes that the same precoding is employed in the subset of characteristic resources.

As an embodiment, the expression "any two time-frequency units comprised by said subset of characteristic resources take the same precoding" in the claims includes the following meanings: the first node device in this application assumes that the same precoding is used for all time-frequency units comprised in the subset of characteristic resources.

As an embodiment, the expression "any two time-frequency units comprised by said subset of characteristic resources take the same precoding" in the claims includes the following meanings: the first node device in this application assumes that only one precoding vector or matrix is employed in the subset of eigenresources.

As an embodiment, the expression "spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources" and "spatial relationship between the first type of reference signal and the second type of reference signal" in the claims are equivalent or may be used interchangeably.

As an embodiment, the expression "spatial relation in the characteristic resource subset between the first type of reference signal and the second type of reference signal" and "spatial relation in the first control resource pool between the first type of reference signal and the second type of reference signal" in the claims are equivalent or may be used interchangeably.

As an embodiment, the expression "spatial relationship between said first type of reference signal and said second type of reference signal in said subset of characteristic resources" in the claims means: a spatial relationship in the first control resource pool between the first type of reference signals and the second type of reference signals.

As an embodiment, the expression "spatial relationship between said first type of reference signal and said second type of reference signal in said subset of characteristic resources" in the claims means: occupied REs belong to a spatial relationship between the first type of reference signals and the second type of reference signals of the subset of characteristic resources.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal in the subset of signature resources and in resources outside the subset of signature resources is the same.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal in the subset of signature resources and in resources outside the subset of signature resources is different.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources and in resources outside the subset of characteristic resources in the first set of control resources is the same.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources and in resources outside the subset of characteristic resources in the first set of control resources is different.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is per pre-encoded particle (Per precoder granularity).

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is Per control resource set (Per core).

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is Per control resource set resource pool (Per core pool).

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is Per serving cell (Per cell) or Per BWP (Per Bandwidth Part).

As an embodiment, the spatial relationship between the first type of reference signals and the second type of reference signals is Per user equipment (Per UE).

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is per band (Perband).

As an embodiment, the first type of reference signal and the at least one antenna port occupied by the first type of reference signal are identical or are mutually replaceable, and the second type of reference signal and the at least one antenna port occupied by the second type of reference signal are identical or are mutually replaceable.

As an embodiment, the first type of reference signal and the at least one air interface resource occupied by the first type of reference signal are identical or are mutually replaceable, and the second type of reference signal and the at least one air interface resource occupied by the second type of reference signal are identical or are mutually replaceable, and the air interface resource comprises at least one of a time domain resource, a frequency domain resource and a code domain resource.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is a relationship of an antenna port of the first type of reference signal and an antenna port of the second type of reference signal.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is a relationship between channel fading experienced by the first type of reference signal and fading experienced by the second type of reference signal.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is whether the channel fading experienced by the first type of reference signal and the fading experienced by the second type of reference signal are the same.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is whether the type of channel fading experienced by the first type of reference signal and the type of fading experienced by the second type of reference signal are the same.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is whether the channel fading experienced by the first type of reference signal and the large scale fading experienced by the second type of reference signal are the same.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is whether the channel experienced by the first type of reference signal and the channel experienced by the second type of reference signal can be derived from each other (refer).

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is whether a channel experienced by the first type of reference signal can be used to derive the channel experienced by the second type of reference signal.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal is whether a channel experienced by the second type of reference signal can be used to derive the channel experienced by the first type of reference signal.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to a Quasi Co-Location (QCL) relationship between the first type of reference signal and the second type of reference signal.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to whether or not the first type of reference signal and the second type of reference signal are quasi co-located.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to a type of Quasi Co-Location (QCL) relationship between the first type of reference signal and the second type of reference signal.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to whether or not the first type of reference signal and the second type of reference signal are Quasi Co-located and the type of Quasi Co-located (QCL) relationship between the first type of reference signal and the second type of reference signal.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to which of type a, type B, type C, type D is a type of Quasi Co-Location (QCL) relationship between the first type of reference signal and the second type of reference signal.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to whether the first type of reference signal and the second type of reference signal are transmitted or received by the same transmitting and receiving node (TRP, transmit Receive Point) or the same panel (Pannel).

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to whether the first type of reference signal and the second type of reference signal are transmitted by the same transmit spatial filter (Tx spatial filter) or received by the same receive spatial filter (Rx spatial filter).

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to a relationship between a TCI State of the first type of reference signal and a TCI (Transmission Configuration Indicator, transmission configuration indication) State (State) of the second type of reference signal.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to whether the TCI state of the first type of reference signal and the TCI state of the second type of reference signal are the same.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to whether the IDs of the TCI states of the first type of reference signal and the TCI states of the second type of reference signal are equal or not.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to a relationship between a reference signal or synchronization signal to which the first type of reference signal is quasi co-located and a reference signal or synchronization signal to which the second type of reference signal is quasi co-located.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to whether the reference signal or the synchronization signal to which the first type of reference signal is quasi co-located is the same as the reference signal or the synchronization signal to which the second type of reference signal is quasi co-located.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to whether the quasi co-location type in the TCI state of the first type of reference signal and the quasi co-location type in the TCI state of the second type of reference signal are the same.

As an embodiment, the spatial relationship between the first type of reference signal and the second type of reference signal refers to at least one of whether the reference signal or the synchronization signal to which the first type of reference signal is quasi co-located and the reference signal or the synchronization signal to which the second type of reference signal is quasi co-located are the same or whether the quasi co-located type in the TCI state of the first type of reference signal and the quasi co-located type in the TCI state of the second type of reference signal are the same.

As an embodiment, the expression "whether said first type of reference signal is used for a control channel" in the claims means: whether the first type of reference signal can be used for demodulation (demodulation) of a control channel.

As an embodiment, the expression "whether said first type of reference signal is used for a control channel" in the claims means: whether the first type of reference signal can be used for monitoring of a control channel.

As an embodiment, the expression "whether said first type of reference signal is used for a control channel" in the claims means: whether the first type of reference signal can be used for channel estimation of a control channel.

As an embodiment, the expression "whether said first type of reference signal is used for a control channel" in the claims means: whether the first type of reference signal can be used to derive the channel that the control channel experiences.

As an embodiment, the expression "whether said first type of reference signal is used for a control channel" in the claims means: whether the first type of reference signal can be used for DMRS of a secondary control channel.

As an embodiment, the expression "whether said first type of reference signal is used for a control channel" in the claims means: whether the first node device in this application can assume that the first type of reference signal can be used for a control channel.

As an embodiment, the expression "whether said first type of reference signal is used for a control channel" in the claims means: whether the first node device in this application can assume that the channel experienced by the control channel is related to the channel experienced by the first type of reference signal.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used by the first node device in the present application to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is explicitly or implicitly indicative of at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used to determine a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources and whether the first type of reference signal is used for a control channel.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used to explicitly or implicitly indicate a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used to explicitly or implicitly indicate whether the first type of reference signal is used for a control channel.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" is achieved by claim 3 in the present application.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used to determine at least one of a spatial relationship between the first type of reference signals occupying the target subset of REs and the second type of reference signals or whether the first type of reference signals occupying the target subset of REs are used for control channels.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used to explicitly or implicitly indicate or enable whether a control channel is CRS punctured, whether a control channel is CRS punctured is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources, or whether the first type of reference signal is used for a control channel.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used to explicitly or implicitly indicate whether a control resource set has at least one overlapping RE or time-frequency resource with a CRS, whether a control resource set has at least one overlapping RE or time-frequency resource with a CRS is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used to explicitly or implicitly indicate a parameter set of a control resource set used to determine at least one of a spatial relationship in the characteristic resource subset between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel according to a predefined conditional relationship or mapping relationship, the parameter set comprising at least one of an index of the control resource set, a precoding granularity, a CCE to REG mapping manner, a type of quasi-co-located signal (CSI-RS or synchronization signal), an index of an affiliated control resource set resource pool.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used to explicitly or implicitly indicate a parameter set of a control resource set, at least one of a spatial relation in the characteristic resource subset between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel, and the parameter set of the control resource set, the parameter set including at least one of an index of the control resource set, a precoding granularity, a CCE to REG mapping manner, a type of quasi-co-sited signal (CSI-RS or synchronization signal), an index of a belonging control resource set resource pool.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used to explicitly or implicitly indicate a TCI state of the first type of reference signal, the TCI state of the first type of reference signal being used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, the expression "the second information block is used to determine at least one of a spatial relation in the subset of characteristic resources between the first type of reference signal and the second type of reference signal or whether the first type of reference signal is used for a control channel" in the claims comprises the following meaning: the second information block is used to explicitly or implicitly indicate an ID of a TCI state of the first type of reference signal, whether an identity between the ID of the TCI state of the first type of reference signal and the ID of the TCI state of the first set of control resources is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, a signaling is used to explicitly or implicitly indicate at least one of a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal, precoding of the second type of reference signal.

As an embodiment, the first node device in the present application does not expect at least one overlapping RE between only part of the time-frequency units in the subset of characteristic resources and the first set of REs.

As an embodiment, the first node device in the present application does not expect that only part of REGs in one precoding granule included in the first control resource set are punctured by CRS.

As an embodiment, the first node device in the present application does not expect only part of REGs included in the first control resource set to be punctured by CRS.

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture according to the present application, as shown in fig. 2. Fig. 2 illustrates a diagram of a network architecture 200 of a 5g nr, LTE (Long-Term Evolution) and LTE-a (Long-Term Evolution Advanced, enhanced Long-Term Evolution) system. The 5G NR or LTE network architecture 200 may be referred to as 5GS (5G System)/EPS (Evolved Packet System ) 200 by some other suitable terminology. The 5GS/EPS 200 may include one or more UEs (User Equipment) 201, ng-RAN (next generation radio access network) 202,5GC (5G Core Network)/EPC (Evolved Packet Core, evolved packet core) 210, hss (Home Subscriber Server )/UDM (Unified Data Management, unified data management) 220, and internet service 230. The 5GS/EPS may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown, 5GS/EPS provides packet switched services, however, those skilled in the art will readily appreciate that the various concepts presented throughout this application may be extended to networks providing circuit switched services or other cellular networks. The NG-RAN includes NR/evolved node B (gNB/eNB) 203 and other gnbs (enbs) 204. The gNB (eNB) 203 provides user and control plane protocol termination towards the UE 201. The gNB (eNB) 203 may be connected to other gNBs (eNBs) 204 via an Xn/X2 interface (e.g., backhaul). The gNB (eNB) 203 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 (BSS), an Extended Service Set (ESS), a TRP (transceiver node), or some other suitable terminology. The gNB (eNB) 203 provides the UE201 with an access point to the 5GC/EPC210. Examples of UE201 include a cellular telephone, a smart phone, a Session Initiation Protocol (SIP) phone, a laptop, a Personal Digital Assistant (PDA), a satellite radio, a non-terrestrial base station communication, a satellite mobile communication, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a game console, an drone, an aircraft, a narrowband internet of things device, a machine-type communication device, a land-based vehicle, an automobile, a wearable device, 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 gNB (eNB) 203 is connected to the 5GC/EPC210 through an S1/NG interface. The 5GC/EPC210 includes MME (Mobility Management Entity )/AMF (Authentication Management Field, authentication management domain)/SMF (Session Management Function ) 211, other MME/AMF/SMF214, S-GW (Service Gateway)/UPF (User Plane Function ) 212, and P-GW (Packet Date Network Gateway, packet data network Gateway)/UPF 213. The MME/AMF/SMF211 is a control node that handles signaling between the UE201 and the 5GC/EPC210. In general, the MME/AMF/SMF211 provides bearer and connection management. All user IP (Internet Protocal, internet protocol) packets are transported through the S-GW/UPF212, which S-GW/UPF212 itself is connected to the P-GW/UPF213. The P-GW provides UE IP address assignment as well as other functions. The P-GW/UPF213 is connected to the internet service 230. Internet services 230 include operator-corresponding internet protocol services, which may include, in particular, the internet, intranets, IMS (IP Multimedia Subsystem ) and packet-switched streaming services.

As an embodiment, the UE201 corresponds to the first node device in the present application.

As an embodiment, the gNB (eNB) 201 corresponds to the second node device in the present application.

Example 3

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture according to one user plane and control plane of the present application, as shown in fig. 3. Fig. 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane 350 and a control plane 300, fig. 3 shows the radio protocol architecture for the control plane 300 for a first node device (UE or gNB) and a second node device (gNB or UE) in three layers: layer 1, layer 2 and layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be referred to herein as PHY301. Layer 2 (L2 layer) 305 is above PHY301 and is responsible for the link between the first node device and the second node device through PHY301. The L2 layer 305 includes a MAC (Medium Access Control ) 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 node device between second 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 node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (Radio Resource Control ) sublayer 306 in layer 3 (L3 layer) 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 node device and the first node device. The radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer), and the radio protocol architecture for the first node device and the second node device in the user plane 350 is substantially the same for the physical layer 351, the PDCP sublayer 354 in the L2 layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355 as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also provides header compression for upper layer data packets to reduce radio transmission overhead. Also included in the L2 layer 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 flows and data radio bearers (DRBs, data Radio Bearer) to support diversity of traffic. Although not shown, the first node apparatus may have several upper layers above the L2 layer 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 wireless protocol architecture in fig. 3 is applicable to the first node device in the present application.

As an embodiment, the radio protocol architecture in fig. 3 is applicable to the second node device in the present application.

As an embodiment, the first information block in the present application is generated in the RRC306, or MAC302, or MAC352, or the PHY301, or PHY351.

As an embodiment, the second information block in the present application is generated in the RRC306, or MAC302, or MAC352, or the PHY301, or PHY351.

As an embodiment, the control signaling in the present application is alternatively generated in the RRC306, or MAC302, or MAC352, or the PHY301, or PHY351.

As an embodiment, the third information block in the present application is generated in the RRC306, or MAC302, or MAC352, or the PHY301, or PHY351.

As an embodiment, the fourth information block in the present application is generated in the RRC306, the MAC302, the MAC352, the PHY301, or the PHY351.

Example 4

Embodiment 4 shows a schematic diagram of a first node device and a second node device according to an embodiment of the present application, as shown in fig. 4.

A controller/processor 490, a data source/buffer 480, a receive processor 452, a transmitter/receiver 456 and a transmit processor 455 may be included in the first node device (450), the transmitter/receiver 456 including an antenna 460.

A controller/processor 440, a data source/buffer 430, a receive processor 412, a transmitter/receiver 416, and a transmit processor 415 may be included in the second node device (410), the transmitter/receiver 416 including an antenna 420.

In DL (Downlink), higher layer information included in upper layer packets, such as a first information block, a second information block, and a third information block in the present application, is provided to the controller/processor 440. The controller/processor 440 implements the functions of the L2 layer and above. In DL, the controller/processor 440 provides packet header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocations to the first node device 450 based on various priority metrics. The controller/processor 440 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first node device 450, such as higher layer information comprised by the first, second, and third information blocks in the present application, are generated in the controller/processor 440. The transmit processor 415 implements various signal processing functions for the L1 layer (i.e., physical layer), including encoding, interleaving, scrambling, modulation, power control/allocation, precoding, physical layer control signaling generation, etc., such as generation of physical layer signals for the first, second, and third information blocks and control channel alternatives in the present application is accomplished at the transmit processor 415. The generated modulation symbols are divided into parallel streams and each stream is mapped to a respective multicarrier subcarrier and/or multicarrier symbol and then transmitted as a radio frequency signal by transmit processor 415 via transmitter 416 to antenna 420. At the receiving end, each receiver 456 receives a radio frequency signal through its respective antenna 460, each receiver 456 recovers baseband information modulated onto a radio frequency carrier, and provides the baseband information to the receive processor 452. The reception processor 452 implements various signal reception processing functions of the L1 layer. The signal reception processing function includes reception of physical layer signals of the first, second, and third information blocks and physical layer signals of the control channel alternatives in the present application, demodulation based on various modulation schemes (e.g., binary Phase Shift Keying (BPSK), quadrature Phase Shift Keying (QPSK)) is performed by multicarrier symbols in the multicarrier symbol stream, followed by descrambling, decoding, and deinterleaving to recover data or control transmitted by the second node apparatus 410 on the physical channel, followed by providing the data and control signals to the controller/processor 490. The controller/processor 490 is responsible for the L2 layer and above, and the controller/processor 490 interprets the higher layer information included in the first, second and third information blocks in the present application. The controller/processor can be associated with a memory 480 that stores program codes and data. Memory 480 may be referred to as a computer-readable medium.

In Uplink (UL) transmission, similar to downlink transmission, the higher layer information including the higher layer information included in the fourth information block in the present application is subjected to various signal transmission processing functions for the L1 layer (i.e., physical layer) by the transmission processor 455 after being generated by the controller/processor 490, including generation of a physical layer signal carrying the fourth information block in the present application is completed in the transmission processor 455, and then is mapped to the antenna 460 by the transmission processor 455 via the transmitter 456 to be transmitted in the form of a radio frequency signal. The receivers 416 receive the radio frequency signals through their respective antennas 420, each receiver 416 recovers baseband information modulated onto a radio frequency carrier, and provides the baseband information to the receive processor 412. The receive processor 412 performs various signal receive processing functions for the L1 layer (i.e., physical layer), including receiving physical layer signals carrying the fourth information block herein, and then provides data and/or control signals to the controller/processor 440. Implementing the functions of the L2 layer at the controller/processor 440 includes interpretation of higher layer information, including interpretation of higher layer information carried by the fourth information block in the present application. The controller/processor can be associated with a buffer 430 that stores program code and data. The buffer 430 may be a computer readable medium.

As an embodiment, the first node device 450 apparatus 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 to, with the at least one processor, cause the apparatus of the first node device 450 to at least: receiving a first information block and receiving a second information block, the first information block being used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal; monitoring control channel alternatives in a first control resource set, wherein the first control resource set comprises a plurality of REs, at least one RE in the first control resource set is used for second-type reference signals, the second-type reference signals and the first-type reference signals are respectively two types of different reference signals, and the second-type reference signals are used for demodulation of control channels; wherein, there is at least one overlapping RE between the first RE set and the first control resource set; the first control resource set comprises a characteristic resource subset, the characteristic resource subset comprises a plurality of time-frequency units, any one time-frequency unit included in the characteristic resource subset comprises a plurality of REs, and any two time-frequency units included in the characteristic resource subset adopt the same precoding; the second information block is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, the first node device 450 apparatus includes: a memory storing a program of computer-readable instructions that, when executed by at least one processor, produce acts comprising: receiving a first information block and receiving a second information block, the first information block being used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal; monitoring control channel alternatives in a first control resource set, wherein the first control resource set comprises a plurality of REs, at least one RE in the first control resource set is used for second-type reference signals, the second-type reference signals and the first-type reference signals are respectively two types of different reference signals, and the second-type reference signals are used for demodulation of control channels; wherein, there is at least one overlapping RE between the first RE set and the first control resource set; the first control resource set comprises a characteristic resource subset, the characteristic resource subset comprises a plurality of time-frequency units, any one time-frequency unit included in the characteristic resource subset comprises a plurality of REs, and any two time-frequency units included in the characteristic resource subset adopt the same precoding; the second information block is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, the second node device 410 apparatus 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 second node device 410 means at least: transmitting a first information block and transmitting a second information block, the first information block being used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal; transmitting a control channel alternative in a first control resource set, wherein the first control resource set comprises a plurality of REs, at least one RE in the first control resource set is used for second-type reference signals, the second-type reference signals and the first-type reference signals are respectively two types of different reference signals, and the second-type reference signals are used for demodulation of a control channel; wherein, there is at least one overlapping RE between the first RE set and the first control resource set; the first control resource set comprises a characteristic resource subset, the characteristic resource subset comprises a plurality of time-frequency units, any one time-frequency unit included in the characteristic resource subset comprises a plurality of REs, and any two time-frequency units included in the characteristic resource subset adopt the same precoding; the second information block is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, the second node 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 information block and transmitting a second information block, the first information block being used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal; transmitting a control channel alternative in a first control resource set, wherein the first control resource set comprises a plurality of REs, at least one RE in the first control resource set is used for second-type reference signals, the second-type reference signals and the first-type reference signals are respectively two types of different reference signals, and the second-type reference signals are used for demodulation of a control channel; wherein, there is at least one overlapping RE between the first RE set and the first control resource set; the first control resource set comprises a characteristic resource subset, the characteristic resource subset comprises a plurality of time-frequency units, any one time-frequency unit included in the characteristic resource subset comprises a plurality of REs, and any two time-frequency units included in the characteristic resource subset adopt the same precoding; the second information block is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As an embodiment, the first node device 450 is a User Equipment (UE).

As an embodiment, the second node device 410 is a base station device (gNB/eNB).

As an example, a receiver 456 (comprising an antenna 460), a receive processor 452 and a controller/processor 490 are used for receiving said first information block in the present application.

As an example, a receiver 456 (comprising an antenna 460), a receiving processor 452 and a controller/processor 490 are used for receiving said second information block in the present application.

As one example, receiver 456 (including antenna 460), receive processor 452 and controller/processor 490 are used to monitor for control channel alternatives in the first set of control resources described herein.

As an example, a receiver 456 (comprising an antenna 460), a receiving processor 452 and a controller/processor 490 are used for receiving said third information block in the present application.

As an example, a transmitter 456 (comprising an antenna 460), a transmit processor 455 and a controller/processor 490 are used for transmitting said fourth information block in the present application.

As an example, a transmitter 416 (including an antenna 420), a transmit processor 415 and a controller/processor 440 are used to transmit the first information block in the present application.

As an example, a transmitter 416 (comprising an antenna 420), a transmit processor 415 and a controller/processor 440 are used to transmit the second information block in the present application.

As one embodiment, transmitter 416 (including antenna 420), transmit processor 415 and controller/processor 440 are used to transmit control channel alternatives in the first set of control resources described herein.

As an example, a transmitter 416 (comprising an antenna 420), a transmit processor 415 and a controller/processor 440 are used to transmit the third information block in the present application.

As an example, receiver 416 (including antenna 420), receive processor 412 and controller/processor 440 are used to receive the fourth block of information in this application.

Example 5

Embodiment 5 illustrates a wireless signal transmission flow diagram according to one embodiment of the present application, as shown in fig. 5. In fig. 5, the second node device N500 is a maintenance base station of the serving cell of the first node device U550. It is specifically noted that the order in this example is not limiting of the order of signal transmission and the order of implementation in this application.

For the followingSecond node device N500The fourth information block is received in step S501, the third information block is transmitted in step S502, the first information block is transmitted in step S503, the second information block is transmitted in step S504, and the control channel alternatives are transmitted in the first set of control resources in step S505.

For the followingFirst node device U550A fourth information block is transmitted in step S551, a third information block is received in step S552, and a fourth information block is transmitted in step S553The first information block is received, the second information block is received in step S554, and the control channel alternatives are monitored in the first set of control resources in step S555.

In embodiment 5, the first information block is used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal; the first control resource set comprises a plurality of REs, at least one RE is used for second-type reference signals, the second-type reference signals and the first-type reference signals are respectively two different-type reference signals, and the second-type reference signals are used for demodulation of control channels; at least one overlapping RE exists between the first set of REs and the first set of control resources; the first control resource set comprises a characteristic resource subset, the characteristic resource subset comprises a plurality of time-frequency units, any one time-frequency unit included in the characteristic resource subset comprises a plurality of REs, and any two time-frequency units included in the characteristic resource subset adopt the same precoding; the second information block is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel; the third information block is used to determine a second set of REs, the second set of REs comprising a plurality of REs, the relationship between the first set of REs and the second set of REs being used to determine monitoring control channel alternatives in the first set of control resources; the fourth information block is used to indicate capabilities of the first node device.

As an embodiment, the third information block is transmitted over an air interface or a wireless interface.

As an embodiment, the third information block includes all or part of a higher layer signaling or a physical layer signaling.

As an embodiment, the third information block includes all or part of an RRC (Radio Resource Control ) layer signaling or a MAC (MediumAccess Control ) layer signaling.

As an embodiment, the third information block comprises all or part of a system information block (SIB, system Information Block).

As an embodiment, the third information block is Cell Specific or user equipment Specific (UE-Specific).

As an embodiment, the third information block is configured per BWP (Bandwidth Part) (Per BWP Configured).

For one embodiment, the third information block includes all or part of a Field (Field) in DCI (Downlink Control Information) format.

As an embodiment, the third information block includes all or part of a Field (Field) "lte-CRS-to-match" in RRC layer signaling.

As an embodiment, the third information block includes all or part of a Field (Field) "lte-CRS-PatternList1" or "lte-CRS-PatternList2" in RRC layer signaling.

As an embodiment, the third information block includes all or part of the Field (Field) in an IE (Information Element ) "ratevappattternle-CRS" in RRC layer signaling.

As an embodiment, the third information block includes all or part of a Field (Field) in an IE "LTE-CRS-PatternList" in RRC layer signaling.

As an embodiment, the third information block includes all or part of the fields (fields) in the IE "ServingCellConfig" or "ServingCellConfigCommon" in the RRC layer signaling.

As an embodiment, the third information block includes more than 1 sub information blocks, and each sub information block included in the third information block is an IE (information element) or a Field (Field) in RRC layer signaling to which the third information block belongs; one or more sub-information blocks included in the third information block are used to determine the second set of REs. As an subsidiary embodiment of the above embodiment, one or more sub-information blocks comprised by said third information block are used to determine a RE subset List (List) comprising a plurality of RE subsets, the RE subsets of said RE subset List constituting said second set of REs.

As an embodiment, the expression "said third information block is used to determine the second set of REs" in the claims comprises the following meanings: the third information block is used by the first node device in the present application to determine the second set of REs.

As an embodiment, the expression "said third information block is used to determine the second set of REs" in the claims comprises the following meanings: the third information block is used to explicitly or implicitly indicate the second set of REs.

As an embodiment, the expression "said third information block is used to determine the second set of REs" in the claims comprises the following meanings: the third information block is used to explicitly or implicitly indicate the number and distribution of REs included in the second set of REs.

As an embodiment, the expression "said third information block is used to determine the second set of REs" in the claims comprises the following meanings: the third information block is used to explicitly or implicitly indicate a number of antenna ports occupying the first type of reference signals of the second set of REs and a frequency domain location of REs comprised by the second set of REs.

As an embodiment, the expression "said third information block is used to determine the second set of REs" in the claims comprises the following meanings: the third information block is used to explicitly or implicitly indicate the number of antenna ports of the first type of reference signal.

As an embodiment, the expression "said third information block is used to determine the second set of REs" in the claims comprises the following meanings: the third information block is used to explicitly or implicitly indicate frequency domain locations of REs included in the second set of REs.

As an embodiment, the expression "said third information block is used to determine the second set of REs" in the claims comprises the following meanings: the third information block is used to explicitly or implicitly indicate a v-shift (v-shift) corresponding to REs included in the second set of REs.

As an embodiment, the expression "said third information block is used to determine the second RE set" in the claims means: the third information block is used to explicitly or implicitly indicate at least one of a number of antenna ports occupying the first type of reference signal of the second RE set, a v-shift (v-shift) corresponding to REs included in the second RE set, a bandwidth of an LTE carrier to which the second RE set belongs in a frequency domain, a downlink center frequency of the LTE carrier to which the second RE set belongs in the frequency domain, and a subframe to which the second RE set belongs in a time domain; at least one of the number of antenna ports occupying the first type of reference signals of the second RE set, a v-shift (v-shift) corresponding to REs included in the second RE set, a bandwidth of an LTE carrier to which the second RE set belongs in a frequency domain, a downlink center frequency of the LTE carrier to which the second RE set belongs in the frequency domain, and a subframe to which the second RE set belongs in a time domain is used to determine the second RE set.

As an embodiment, the expression "said third information block is used to determine the second RE set" in the claims means: the first set of REs includes the second set of REs, and the third information block is used to explicitly or implicitly indicate the second set of REs from the first set of REs.

As an embodiment, the first information block precedes the third information block.

As an embodiment, the first information block follows the third information block.

As an embodiment, the first information block and the third information block are transmitted over the same physical channel.

As an embodiment, the first information block and the third information block are transmitted via physical channels occupying different time-frequency resources.

As an embodiment, the first information block and the third information block belong to two different fields through one IE.

As an embodiment, the first information block and the third information block belong to two different IEs.

As an embodiment, the first information block and the third information block belong to two different signaling.

As an embodiment, the first information block and the third information block belong to the same physical layer or higher layer signaling.

As an embodiment, the first information block and the third information block are each configured independently.

As an embodiment, the first information block and the third information block are associated with each other.

As an embodiment, the third information block comprises a configuration of the first information block in absence of time.

As an embodiment, the third information block is used to determine the first set of REs when the first information block is not provided.

As an embodiment, the first set of REs and the second set of REs are identical when the first information block is not provided.

As an embodiment, the fourth information block is transmitted over an air interface or a wireless interface.

As an embodiment, the fourth information block includes all or part of a higher layer signaling or a physical layer signaling.

As an embodiment, the fourth information block includes all or part of an RRC (Radio Resource Control ) layer signaling or a MAC (MediumAccess Control ) layer signaling.

As an example, the fourth information block includes all or part of a Field (Field) of a UCI (Uplink Control Information ) format.

As an embodiment, the fourth information block includes all or part of a Field (Field) "pdcch-ltecrstsfuncturing" in RRC layer signaling.

As an example, the fourth information block includes all or part of the Field (Field) in an IE (Information Element ) "featuredownlink" in RRC layer signaling.

As an example, the fourth information block includes all or part of the Field (Field) in an IE (Information Element ) "featuredownlinkpercc" in RRC layer signaling.

As an example, the fourth information block includes all or part of the fields (fields) in an IE (Information Element ) "bandcombination list" in RRC layer signaling.

As an example, the fourth information block includes all or part of the fields (fields) in an IE (Information Element ) "BandNR" in RRC layer signaling.

As an embodiment, the fourth information block includes capability (capability) indication information.

As an embodiment, the expression "the fourth information block is used to indicate the capabilities of the first node device" in the claims comprises the following meanings: the fourth information block is used to explicitly or implicitly indicate the capabilities of the first node device.

As an embodiment, the expression "the fourth information block is used to indicate the capabilities of the first node device" in the claims comprises the following meanings: the fourth information block is used by the first node device in the present application to indicate the capabilities of the first node device.

As an embodiment, the expression "the fourth information block is used to indicate the capabilities of the first node device" in the claims comprises the following meanings: the fourth information block is used to indicate all or part of the capabilities of the first node device.

As an embodiment, the expression "the fourth information block is used to indicate the capabilities of the first node device" in the claims comprises the following meanings: the fourth information block is used to indicate all or part of the first node device's capabilities with respect to PDCCH.

As an embodiment, the expression "the fourth information block is used to indicate the capabilities of the first node device" in the claims comprises the following meanings: the fourth information block is used to indicate whether the first node device supports the ability to monitor CRS-punctured PDCCHs.

As an embodiment, the fourth information block precedes the third information block.

As an embodiment, the fourth information block follows the third information block.

Example 6

Embodiment 6 illustrates a schematic diagram of a first offset value according to one embodiment of the present application, as shown in fig. 6. In fig. 6, the horizontal axis represents time, the vertical axis represents frequency, each square cell represents one RE, each filled square cell represents one RE occupied by a first type of reference signal, different filled square cells represent different antenna ports of the first type of reference signal, and the number of subcarriers spaced between the frequency domain and the boundary of the corresponding RB occupied by one port of the first type of reference signal is equal to the first offset value.

In embodiment 6, a first offset value is used to determine the first set of REs in this application, the first offset value being a non-negative integer, the first offset value being equal to a remainder of a first identification divided by 6, the first identification being a non-negative integer; the first information block is used in the present application to indicate the first identity, or the first information block is used to indicate the first offset value.

As an embodiment, the first offset value is a v offset value.

As an embodiment, the first offset value is equal to one of 0,1,2,3,4, 5.

As an embodiment, the expression "first offset value is used to determine said first set of REs" in the claims includes the following meanings: the first offset value is used by the first node device in the present application to determine the first set of REs.

As an embodiment, the expression "first offset value is used to determine said first set of REs" in the claims includes the following meanings: the first offset value is used by the first node device in the present application to determine a time-frequency distribution of REs included in the first set of REs.

As an embodiment, the expression "first offset value is used to determine said first set of REs" in the claims includes the following meanings: the first offset value is used to determine a distribution of REs included in the first set of REs in RBs to which the first set of REs belongs.

As an embodiment, the expression "first offset value is used to determine said first set of REs" in the claims includes the following meanings: the first offset value is used to determine a frequency domain distribution of REs included in the first set of REs in the RB to which the first set of REs belongs.

As an embodiment, the expression "first offset value is used to determine said first set of REs" in the claims includes the following meanings: the first offset value is used to determine a time-frequency location of REs included in the first set of REs in the RB to which the first set of REs belongs.

As an embodiment, the first identity is a physical cell identity (PCID, physical Cell Identity).

As an embodiment, the first identity is an LTE physical cell identity.

As an embodiment, the first identity is a physical cell group identity.

As an embodiment, the first identity is equal to an integer from 0 to 503.

As an embodiment, the first offset value is equal to the value of the first identification modulo 6.

As an embodiment, the expression "said first information block is used to indicate said first identity" in the claims comprises the following meanings: the first information block is used by the second node device in the present application to indicate the first identity.

As an embodiment, the expression "said first information block is used to indicate said first identity" in the claims comprises the following meanings: one or more fields included by the first information block are used to explicitly or implicitly indicate the first identity.

As an embodiment, the expression "said first information block is used to indicate said first identity" in the claims comprises the following meanings: one or more fields included in the first information block are used to explicitly or implicitly indicate a difference between the first identity and an identity of a cell to which the first information block belongs.

As an embodiment, the expression "said first information block is used to indicate said first identity" in the claims comprises the following meanings: the first information block is used to explicitly or implicitly indicate a first value, the first value and the first offset value are used to determine the first identity, the first value is a non-negative integer. As an subsidiary embodiment of the above embodiment, an information block other than the first information block is used to explicitly or implicitly indicate the first offset value. As an subsidiary embodiment to the above-described embodiment, said third information block in the present application is used to explicitly or implicitly indicate said first offset value. As an subsidiary embodiment of the above embodiment, an information block other than the first information block used for rate matching is used to explicitly or implicitly indicate the first offset value.

As an embodiment, the expression "said first information block is used to indicate said first identity" in the claims comprises the following meanings: the first information block is used to explicitly or implicitly indicate a first value equal to a rounded down value of a quotient of the first identification divided by 6, the first value being a non-negative integer. As an subsidiary embodiment of the above embodiment, an information block other than the first information block is used to explicitly or implicitly indicate the first offset value. As an subsidiary embodiment to the above-described embodiment, said third information block in the present application is used to explicitly or implicitly indicate said first offset value. As an subsidiary embodiment of the above embodiment, an information block other than the first information block used for rate matching is used to explicitly or implicitly indicate the first offset value.

As an embodiment, the expression "said first information block is used to indicate said first identity" in the claims comprises the following meanings: the first information block is used to explicitly or implicitly indicate a first value, the first identification being equal to a sum of a product of the first value times 6 and the first offset value, the first value being a non-negative integer. As an subsidiary embodiment of the above embodiment, an information block other than the first information block is used to explicitly or implicitly indicate the first offset value. As an subsidiary embodiment to the above-described embodiment, said third information block in the present application is used to explicitly or implicitly indicate said first offset value. As an subsidiary embodiment of the above embodiment, an information block other than the first information block used for rate matching is used to explicitly or implicitly indicate the first offset value.

As an embodiment, the expression "the first information block is used to indicate the first offset value" in the claims comprises the following meanings: the first information block is used by the second node device in the present application to indicate the first offset value.

As an embodiment, the expression "the first information block is used to indicate the first offset value" in the claims comprises the following meanings: one or more fields included in the first information block are used to explicitly or implicitly indicate the first offset value. As an subsidiary embodiment of the above embodiment, an information block other than the first information block is used to explicitly or implicitly indicate a first value, the first identification being equal to a sum of a product of the first value multiplied by 6 and the first offset value, the first value being a non-negative integer. As an subsidiary embodiment of the above embodiment, an information block other than the first information block is used to explicitly or implicitly indicate a first value equal to a down-rounded value of a quotient of the first identification divided by 6, the first value being a non-negative integer.

As an embodiment, the first identity is used to determine a sequence in which the first type of reference signal is generated.

As an embodiment, the first identity is used to calculate an initial value of a sequence generating the first type of reference signal.

As an embodiment, the first identity is used for initializing a generator that generates a sequence of the first type of reference signals.

As an embodiment, the first identification is used to determine a sequence for generating the first type of reference signal occupying at least one RE of the first set of REs.

As an embodiment, the one or more fields included in the first information block are used to explicitly or implicitly indicate a sequence number of a subframe or a slot to which at least one RE included in the first RE set belongs in the time domain.

As an embodiment, the one or more fields included in the first information block are used to explicitly or implicitly indicate a sequence number of a time slot to which at least one RE included in the first RE set belongs in the time domain in a radio frame (radio frame) to which the at least one RE belongs.

As an embodiment, the one or more fields included in an information block other than the first information block are used to explicitly or implicitly indicate a sequence number of a subframe or a slot to which at least one RE included in the first RE set belongs in the time domain.

As an embodiment, one or more fields included in an information block other than the first information block are used to explicitly or implicitly indicate a sequence number of at least one RE included in the first RE set in a time slot to which a time domain belongs in a radio frame (radio frame) to which the time slot belongs.

As an embodiment, a sequence number of a time slot to which at least one RE included in the first set of REs belongs in a time domain in a radio frame (radio frame) to which the at least one RE belongs is used to determine a sequence in which the first type of reference signal is generated.

As an embodiment, a sequence number of a slot to which at least one RE included in the first RE set belongs in the time domain in a radio frame (radio frame) to which the at least one RE belongs is used to initialize a generator that generates a sequence of the first type of reference signal.

Example 7

Embodiment 7 illustrates a schematic diagram of a relationship between a first subset of REs and a second subset of REs, as shown in fig. 7, according to one embodiment of the present application. In fig. 7, trp#1 and trp#2 represent two transmitting and receiving nodes or two cells, respectively, a first type of reference signal mapped to a first RE subset is transmitted by trp#1, and a first type of reference signal mapped to a second RE subset is transmitted by trp#2.

In embodiment 7, the first set of REs in the present application includes a first subset of REs including a plurality of REs and a second subset of REs including a plurality of REs; two sub-information blocks included in the first information block in the present application are used to determine the first RE subset and the second RE subset, respectively; the index of the control resource set resource pool to which the first control resource set belongs in the present application is used to determine a target RE subset from between the first RE subset and the second RE subset, and the second information block in the present application is used to determine at least one of a spatial relationship between the first type of reference signal in the present application occupying the target RE subset and the second type of reference signal in the present application or whether the first type of reference signal occupying the target RE subset is used for a control channel.

As an embodiment, the first subset of REs and the second subset of REs are different.

As an embodiment, the first subset of REs and the second subset of REs are identical.

As an embodiment, the first information block may configure the first subset of REs and the second subset of REs to include completely identical REs, or may configure the first subset of REs and the second subset of REs to include non-identical or non-completely identical REs.

As an embodiment, the first set of REs comprises only REs in the first subset of REs and the second subset of REs.

As an embodiment, the first set of REs further comprises REs outside the first subset of REs or the second subset of REs.

As an embodiment, any one RE included in the first RE subset belongs to the first RE set.

As an embodiment, any one RE included in the second RE subset belongs to the first RE set.

As an embodiment, the first subset of REs and the second subset of REs are for two TRPs or two panels, respectively.

As an embodiment, the first subset of REs and the second subset of REs are for two serving cells, respectively.

As an embodiment, the first subset of REs and the second subset of REs are respectively for serving cells of two LTE.

As an embodiment, the first subset of REs and the second subset of REs are occupied by CRSs in two serving cells, respectively.

As an embodiment, the first subset of REs and the second subset of REs are directed to a same serving cell of 5G NR.

As an embodiment, the expression "two sub-information blocks comprised by said first information block are used to determine said first RE subset and said second RE subset, respectively", in the claims comprises the following meanings: the two sub-information blocks included in the first information block are used by the first node device in the present application to determine the first RE subset and the second RE subset, respectively.

As an embodiment, the expression "two sub-information blocks comprised by said first information block are used to determine said first RE subset and said second RE subset, respectively", in the claims comprises the following meanings: two sub-information blocks comprised by the first information block are used to explicitly or implicitly indicate the first RE subset and the second RE subset, respectively.

As an embodiment, the expression "two sub-information blocks comprised by said first information block are used to determine said first RE subset and said second RE subset, respectively", in the claims comprises the following meanings: the two sub-information blocks included in the first information block are used to determine the number of REs included in the first subset of REs and the time-frequency domain distribution and the number of REs included in the second subset of REs and the time-frequency domain distribution, respectively.

As an embodiment, the expression "two sub-information blocks comprised by said first information block are used to determine said first RE subset and said second RE subset, respectively", in the claims comprises the following meanings: the first information block comprises an information block list, the information block list comprising a plurality of sub-information blocks, two sub-information blocks in the information block list comprising the first information block are respectively used for determining the number of REs and time-frequency domain distribution of the first RE subset and the number of REs and time-frequency domain distribution of the second RE subset; any two sub-information blocks in the information block list included in the first information block adopt the same IE format.

As an embodiment, the expression "two sub-information blocks comprised by said first information block are used to determine said first RE subset and said second RE subset, respectively", in the claims comprises the following meanings: the first information block comprises an information block list, the information block list comprising a plurality of sub-information blocks, two sub-information blocks in the information block list comprising the first information block are respectively used for determining the number of REs and time-frequency domain distribution of the first RE subset and the number of REs and time-frequency domain distribution of the second RE subset; any one of the sub-information blocks in the information block list included in the first information block includes at least one of an indication of the number of antenna ports, an indication of a v-shift (v-shift) value, an indication of a bandwidth of an LTE carrier, an indication of a downlink center frequency of the LTE carrier, and an indication of a subframe.

As an embodiment, the expression "two sub-information blocks comprised by said first information block are used to determine said first RE subset and said second RE subset, respectively", in the claims comprises the following meanings: the first information block comprises an information block list, the information block list comprising a plurality of sub-information blocks, two sub-information blocks in the information block list comprising the first information block are respectively used for determining the number of REs and time-frequency domain distribution of the first RE subset and the number of REs and time-frequency domain distribution of the second RE subset; any one sub-information block in the information block list included in the first information block includes at least one of an indication of the number of antenna ports, an indication of physical cell identification, an indication of bandwidth of an LTE carrier, an indication of downlink center frequency of the LTE carrier, and an indication of a subframe.

As an embodiment, the control resource set resource pool (CORESETpool) to which the first control resource set belongs comprises at least one control resource set.

As an embodiment, when the control resource set resource pool (CORESETpool) to which the first control resource set belongs includes a plurality of control resource sets, any two control resource sets in the control resource set resource pool to which the first control resource set belongs are directed to the same TRP or panel.

As an embodiment, an Index (Index) of a control resource set resource pool (CORESET pool) to which the first control resource set belongs is equal to 0 or equal to 1.

As an embodiment, when the first control resource set is not provided with an Index of the control resource set resource pool to which the first control resource set belongs, the Index (Index) of the control resource set resource pool (CORESET pool) to which the first control resource set belongs is equal to 0.

As an embodiment, the one or more fields comprised by the second information block in the present application are used to explicitly or implicitly indicate an Index (Index) of a control resource set resource pool (CORESETpool) to which the first control resource set belongs.

As an embodiment, one or more fields comprised by an information block other than the second information block in the present application are used to explicitly or implicitly indicate an Index (Index) of a control resource set resource pool (corespot) to which the first control resource set belongs.

As an embodiment, the target subset of REs is the first subset of REs or the second subset of REs.

As an embodiment, the target subset of REs is one of the first subset of REs or the second subset of REs.

As an embodiment, the expression "the index of the control resource set resource pool to which the first control resource set belongs is used to determine the target RE subset from between the first RE subset and the second RE subset" in the claims comprises the following meanings: the index of the control resource set resource pool to which the first control resource set belongs is used by the first node device in the present application to determine the target RE subset from between the first RE subset and the second RE subset.

As an embodiment, the expression "the index of the control resource set resource pool to which the first control resource set belongs is used to determine the target RE subset from between the first RE subset and the second RE subset" in the claims comprises the following meanings: when the index of the control resource set resource pool to which the first control resource set belongs is equal to 0, the target RE subset is the first RE subset; when the index of the control resource set resource pool to which the first control resource set belongs is equal to 1, the target RE subset is the second RE subset.

As an embodiment, the expression "the index of the control resource set resource pool to which the first control resource set belongs is used to determine the target RE subset from between the first RE subset and the second RE subset" in the claims comprises the following meanings: when the index of the control resource set resource pool to which the first control resource set belongs is equal to 1, the target RE subset is the first RE subset; when the index of the control resource set resource pool to which the first control resource set belongs is equal to 0, the target RE subset is the second RE subset.

As an embodiment, the expression "the index of the control resource set resource pool to which the first control resource set belongs is used to determine the target RE subset from between the first RE subset and the second RE subset" in the claims comprises the following meanings: the index of the control resource set resource pool to which the first control resource set belongs is used together with other parameters to determine the target RE subset from between the first RE subset and the second RE subset according to a predefined conditional relationship or mapping relationship.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels" comprises the following meanings: the second information block is used by the first node device in the present application to determine at least one of a spatial relationship between the first type of reference signals occupying the target subset of REs and the second type of reference signals or whether the first type of reference signals occupying the target subset of REs are used for control channels.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels" comprises the following meanings: the second information block is used to explicitly or implicitly indicate at least one of a spatial relationship between the first type of reference signals occupying the target subset of REs and the second type of reference signals or whether the first type of reference signals occupying the target subset of REs are used for control channels.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels" comprises the following meanings: the second information block is used to explicitly or implicitly indicate or enable (enable) whether a control channel is CRS punctured, whether a control channel is CRS punctured is used to determine at least one of a spatial relationship between the first type of reference signals occupying the target subset of REs and the second type of reference signals, or whether the first type of reference signals occupying the target subset of REs are used for a control channel.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels" comprises the following meanings: the second information block is used to explicitly or implicitly indicate whether a control resource set has at least one overlapping RE or time-frequency resource with a CRS, whether a control resource set has at least one overlapping RE or time-frequency resource with a CRS is used to determine at least one of a spatial relationship between the first type of reference signals and the second type of reference signals occupying the target subset of REs or whether the first type of reference signals occupying the target subset of REs are used for a control channel.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels" comprises the following meanings: the second information block is used to explicitly or implicitly indicate a parameter set of a control resource set, which is used to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels according to a predefined conditional relationship or mapping relationship, the parameter set comprising at least one of an index of the control resource set, a precoding granularity, a CCE to REG mapping manner, a type of quasi co-sited signal (CSI-RS or synchronization signal), an index of an affiliated control resource set resource pool.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels" comprises the following meanings: the second information block is used to explicitly or implicitly indicate a parameter set of a control resource set, at least one of whether the first type of reference signal occupying the target RE subset and the second type of reference signal or whether the first type of reference signal occupying the target RE subset is used for a control channel, is related to the parameter set of the control resource set, the parameter set includes at least one of an index of the control resource set, a precoding granularity, a CCE to REG mapping manner, a type of quasi-co-located signal (CSI-RS or synchronization signal), an index of an affiliated control resource set resource pool.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels" comprises the following meanings: the second information block is used to explicitly or implicitly indicate a TCI state of the first type of reference signals occupying the target RE subset, the TCI state of the first type of reference signals occupying the target RE subset being used to determine at least one of a spatial relationship between the first type of reference signals and the second type of reference signals occupying the target RE subset or whether the first type of reference signals occupying the target RE subset are used for control channels.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels" comprises the following meanings: the second information block is used to explicitly or implicitly indicate at least one of an ID of a TCI state of the first type of reference signals occupying the target RE subset, whether an ID of a TCI state of the first type of reference signals occupying the target RE subset and an ID of a TCI state of the first control resource set are equal, is used to determine a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals, or whether the first type of reference signals occupying the target RE subset are used for control channels.

As an embodiment, the first type of reference signals occupying the target RE subset are the first type of reference signals resource mapped onto REs comprised by the target RE subset.

As an embodiment, the first type of reference signals occupying the target RE subset are the first type of reference signals that the first node device in the present application assumes to occupy the target RE subset.

As an embodiment, the first type of reference signals occupying the target RE subset are complex numbers of resources mapped onto REs comprised by the target RE subset used for generating the first type of reference signals.

Example 8

Embodiment 8 illustrates a schematic diagram of a relationship between a first set of REs and a second set of REs, as shown in fig. 8, according to one embodiment of the present application. In fig. 8, in case a and case B, the diagonal filled ellipses represent the second RE set, and the cross-line filled ellipses represent the first RE set; in case a, the second set of REs comprises the first set of REs; in case B, the second set of REs does not include the first set of REs.

In embodiment 8, the third information block in the present application is used to determine a second set of REs, the second set of REs comprising a plurality of REs, and the relation between the first set of REs and the second set of REs in the present application is used to determine a monitoring control channel alternative in the first set of control resources in the present application.

As an embodiment, the first set of REs is a set of REs used for PDCCH puncturing.

As an embodiment, the second set of REs is a set of REs used for rate matching of PDSCH.

As an embodiment, the first node device assumes that any one RE included in the second set of REs is occupied by CRS.

As an embodiment, a subcarrier spacing (SCS, subcarrier spacing) of subcarriers occupied by any one RE (Resource Element) included in the second RE set in the frequency domain is equal to 15kHz.

As an embodiment, all REs included in the second set of REs belong to the same time slot in the time domain.

As an embodiment, all REs included in the second set of REs belong to the same subframe in the time domain.

As an embodiment, all REs included in the second set of REs belong to the same 5GNR slot in the time domain.

As an embodiment, the REs comprised by the second set of REs are periodically distributed in the time domain.

As an embodiment, the second set of REs comprises only REs occupied by CRSs belonging to the same serving cell or the same TRP (Transmit Receive Point, transmitting receiving node).

As an embodiment, the second set of REs comprises REs occupied by CRSs belonging to different serving cells or different TRPs (Transmit Receive Point, transmitting receiving node).

As an embodiment, any one RE included in the second set of REs is used for CRS.

As an embodiment, any one RE included in the second RE set is not occupied by PDSCH.

As an embodiment, the first set of REs and the second set of REs are identical.

As an embodiment, the first set of REs and the second set of REs are different.

As an embodiment, the first set of REs and the second set of REs are orthogonal.

As an embodiment, the first set of REs and the second set of REs are non-orthogonal.

As an embodiment, the second set of REs comprises the first set of REs.

As an embodiment, the first set of REs comprises the second set of REs.

As an embodiment, the number of REs included in the first set of REs and the number of REs included in the second set of REs are equal.

As an embodiment, the number of REs included in the first set of REs and the number of REs included in the second set of REs are not equal.

As an embodiment, there is one RE belonging to only one of the first set of REs or the second set of REs.

As an embodiment, there is one RE belonging to both the first set of REs and the second set of REs.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: the relationship between the first set of REs and the second set of REs is used by the first node device in the present application to determine to monitor for control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: whether the first set of REs and the second set of REs are identical or orthogonal is used to determine whether to monitor for control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: whether the second set of REs includes the first set of REs is used to determine whether to monitor for control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: whether the first set of REs includes the second set of REs is used to determine whether to monitor control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: the exact identity between the first set of REs and the second set of REs is a condition for monitoring control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: the difference between the first set of REs and the second set of REs is a condition for monitoring control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: orthogonality between the first set of REs and the second set of REs is a condition for monitoring control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: the non-orthogonality between the first set of REs and the second set of REs is a condition for monitoring control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: the inclusion of at least one identical RE between the first set of REs and the second set of REs is a condition for monitoring control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: the second set of REs includes a condition that the first set of REs is monitoring for control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: the first set of REs includes a condition that the second set of REs is monitoring for control channel alternatives in the first set of control resources.

As an embodiment, the expression "the relation between the first set of REs and the second set of REs" in the claims is used to determine that monitoring control channel alternatives in the first set of control resources "comprises the following meanings: the relationship between the first set of REs and the second set of REs is used to determine whether a control channel candidate included in the first set of control resources is valid.

Example 9

Embodiment 9 illustrates a schematic diagram of precoding granularity of a first set of control resources according to an embodiment of the present application, as shown in fig. 9. In fig. 9, in case a and case B, the horizontal axis represents time and the vertical axis represents frequency, and each filled rectangular box represents RBs occupied by a first set of control resources in the frequency domain, with the same filled rectangles having the same precoding; in case a, the precoding granularity of the first set of control resources is a contiguous subset of RBs; in case B, the precoding granularity of the first set of control resources is REG bundling.

In embodiment 9, at least one of the number of antenna ports of the first type of reference signals in the present application, the precoding granularity of the first set of control resources in the present application, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, the type of reference signals to which the second type of reference signals comprised by the first set of control resources are quasi co-located is used for determining to monitor control channel alternatives in the first set of control resources.

As an embodiment, the number of antenna ports of the first type of reference signal is equal to one of 1, 2 or 4.

As an embodiment, the number of antenna ports of the first type of reference signal is equal to 4.

As an embodiment, the number of antenna ports of the first type of reference signal is equal to one of 2 or 4.

As an embodiment, the number of antenna ports of the first type of reference signal is equal to one of 1, 2, 4 or 8.

As an embodiment, the number of antenna ports of the first type of reference signal is a positive integer.

As an embodiment, the first information block in the present application is used to explicitly or implicitly indicate the number of antenna ports of the first type of reference signal.

As an embodiment, the third information block in the present application is used to explicitly or implicitly indicate the number of antenna ports of the first type of reference signal.

As an embodiment, the precoding granularity (granularity) of the first set of control resources is one of all consecutive RB (all Contiguous RBs) or REG bundling (bundle).

As an embodiment, the precoding granularity of the first set of control resources is the maximum number of REGs that the first node device can assume to employ the same precoding.

As an embodiment, the precoding granularity of the first set of control resources is the maximum number of RBs that the first node device can assume to employ the same precoding.

As an embodiment, the precoding granularity of the first control resource set is a time-frequency resource that the first node device may assume that any two REGs included employ the same precoding.

As an embodiment, the second information block in the present application is used to determine a precoding granularity of the first set of control resources.

As an embodiment, the first information block in the present application is used to determine a precoding granularity of the first set of control resources.

As an embodiment, information blocks other than the second information block in the present application are used to determine the precoding granularity of the first set of control resources.

As an embodiment, the index value of the first set of control resources is a non-negative integer.

As an embodiment, the index value of the first set of control resources is a positive integer.

As an embodiment, the index value of the first set of control resources and the Identification (ID) of the first set of control resources are identical or are mutually exchangeable.

As an embodiment, the second information block is used to explicitly or implicitly indicate an index value of the first set of control resources.

As an embodiment, the first information block is used to explicitly or implicitly indicate an index value of the first set of control resources.

As an embodiment, signaling other than the second information block is used to explicitly or implicitly indicate an index value of the first set of control resources.

As an embodiment, the type of the set of search spaces associated to the first set of control resources is one of CSS (common search space ) or USS (UE specific search space, user equipment specific search space).

As one embodiment, the Type of search space set associated to the first set of control resources is one of Type0 (Type 0) PDCCH CSS, type0A (Type 0A) PDCCH CSS, type0B (Type 0B) PDCCH CSS, type1 (Type 1) PDCCH CSS, type2 (Type 2) PDCCH CSS, type3 (Type 3) PDCCH CSS, type4 (Type 4) PDCCH CSS, or USS.

As an embodiment, the type of the set of search spaces associated to the first set of control resources is one of a CSS of a type or a USS.

As an embodiment, the type of the set of search spaces associated to the first set of control resources and the index of the set of search spaces associated to the first set of control resources are identical or can be used interchangeably.

As an embodiment, the second information block is used to explicitly or implicitly indicate a type of search space set associated to the first set of control resources.

As an embodiment, the first information block is used to explicitly or implicitly indicate a type of search space set associated to the first set of control resources.

As an embodiment, signaling other than the second information block is used to explicitly or implicitly indicate the type of search space set associated to the first set of control resources.

As an embodiment, the type of reference signal quasi co-located by the second type of reference signal included in the first control resource set is the type of reference signal included in the TCI state of the second type of reference signal included in the first control resource set.

As an embodiment, the type of reference signal quasi co-located by the second type of reference signal included in the first control resource set is one of SSB (SS/PBCH Block) or CSI-RS.

As an embodiment, the type of reference signal quasi co-located by the second type of reference signal included in the first control resource set is one of an index of SSB or a CSI-RS resource index.

As an embodiment, the second information block is used to explicitly or implicitly indicate the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located.

As an embodiment, the first information block is used to explicitly or implicitly indicate a type of reference signal to which reference signals of the second type comprised by the first set of control resources are quasi co-located.

As an embodiment, the signaling other than the second information block is used to explicitly or implicitly indicate the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located.

As an embodiment, the expression "at least one of the number of antenna ports of the first type of reference signal, the precoding granularity of the first set of control resources, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located" in the claims is used for determining to monitor control channel alternatives in the first set of control resources "comprises the following meanings: at least one of the number of antenna ports of the first type of reference signal, the precoding granularity of the first set of control resources, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, and the type of reference signal to which the second type of reference signal included in the first set of control resources is quasi co-located is used by the first node device in the present application to determine to monitor a control channel alternative in the first set of control resources.

As an embodiment, the expression "at least one of the number of antenna ports of the first type of reference signal, the precoding granularity of the first set of control resources, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located" in the claims is used for determining to monitor control channel alternatives in the first set of control resources "comprises the following meanings: only one or only two or only three or only four of the number of antenna ports of the first type of reference signal, the precoding granularity of the first set of control resources, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located are used for determining to monitor control channel alternatives in the first set of control resources.

As an embodiment, the expression "at least one of the number of antenna ports of the first type of reference signal, the precoding granularity of the first set of control resources, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located" in the claims is used for determining to monitor control channel alternatives in the first set of control resources "comprises the following meanings: a combination of two or four of the number of antenna ports of the first type of reference signal, the precoding granularity of the first set of control resources, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located is used to determine to monitor control channel alternatives in the first set of control resources.

As an embodiment, the expression "at least one of the number of antenna ports of the first type of reference signal, the precoding granularity of the first set of control resources, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located" in the claims is used for determining to monitor control channel alternatives in the first set of control resources "comprises the following meanings: the number of antenna ports of the first type of reference signal, the precoding granularity of the first set of control resources, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located are all used for determining to monitor control channel alternatives in the first set of control resources.

As an embodiment, whether the number of antenna ports of the first type of reference signal is equal to 4 is used to determine whether to monitor for control channel alternatives in the first set of control resources.

As an embodiment, monitoring the first set of control resources for a condition of control channel alternatives comprises the number of antenna ports of the first type of reference signal being equal to one of a predefined value or a plurality of predefined values.

As an embodiment, the condition of monitoring control channel alternatives in the first set of control resources comprises the number of antenna ports of the first type of reference signals being equal to 4.

As an embodiment, whether the precoding granularity of the first set of control resources is all consecutive RB (all Contiguous RBs) is used to determine whether to monitor for control channel alternatives in the first set of control resources.

As an embodiment, the condition of monitoring the control channel alternatives in the first set of control resources comprises that the precoding granularity of the first set of control resources is a predefined precoding granularity.

As an embodiment, the condition of monitoring control channel alternatives in the first set of control resources comprises that the precoding granularity of the first set of control resources is all consecutive RBs.

As an embodiment, whether the index value of the first set of control resources is equal to 0 is used to determine whether to monitor for control channel alternatives in the first set of control resources.

As an embodiment, monitoring the first set of control resources for a condition of a control channel candidate comprises the index value of the first set of control resources being equal to one predefined index value or to one of a plurality of predefined index values.

As an embodiment, the condition of monitoring control channel alternatives in the first set of control resources comprises that an index value of the first set of control resources is not equal to 0 or is greater than 0.

As an embodiment, whether the type of the set of search spaces associated to the first set of control resources is one predefined type of CSS or one of a plurality of predefined types of CSS is used to determine whether to monitor the first set of control resources for control channel alternatives.

As one embodiment, whether the type of search space set associated to the first set of control resources is CSS is used to determine whether to monitor for control channel alternatives in the first set of control resources.

As one embodiment, monitoring the first set of control resources for a condition of a control channel candidate includes associating a type of a set of search spaces of the first set of control resources with a predefined type or with one of a plurality of predefined types.

As one embodiment, the condition of monitoring control channel alternatives in the first set of control resources comprises a type of search space set associated to the first set of control resources being USS.

As an embodiment, the condition of monitoring control channel alternatives in the first set of control resources comprises PDCCH CSS or USS of type 3 associated to the first set of control resources.

As one embodiment, monitoring for a condition of a control channel candidate in the first set of control resources includes an index of a set of search spaces associated with the first set of control resources being not equal to 0 or greater than 0.

As an embodiment, whether the type of reference signal quasi co-located by the second type of reference signal comprised by the first set of control resources is SSB is used to determine whether to monitor the first set of control resources for control channel alternatives.

As an embodiment, the condition for monitoring the control channel alternatives in the first set of control resources comprises that the type of reference signal quasi co-located by the second type of reference signal comprised by the first set of control resources is one predefined type or one of a plurality of predefined types.

As an embodiment, the condition for monitoring the control channel alternatives in the first set of control resources comprises that the type of reference signal quasi co-located by the second type of reference signal comprised by the first set of control resources is not SSB.

As an embodiment, the condition for monitoring the control channel alternatives in the first set of control resources comprises that the type of reference signal quasi co-located by the second type of reference signal comprised by the first set of control resources is CSI-RS.

As one embodiment, the number of discontinuous subsets of RBs comprised by the first set of control resources is used to determine to monitor for control channel alternatives in the first set of control resources.

As an embodiment, monitoring the first set of control resources for a condition of control channel alternatives comprises the first set of control resources comprising a number of discontinuous subsets of RBs not greater than a first threshold, the first threshold being predefined or explicitly or implicitly configured by signaling. As an subsidiary embodiment to the above embodiment, said first threshold value is equal to 1. As an subsidiary embodiment to the above embodiment, said first threshold value is equal to 4. As an subsidiary embodiment to the above embodiment, said first threshold is greater than 1.

Example 10

Embodiment 10 illustrates a schematic diagram of the capabilities of a first node device according to one embodiment of the present application, as shown in fig. 10. In fig. 10, the implementation arrows represent the included relationships, and the dashed arrows represent the possible relationships and the possible independence, and the capabilities of the first node device include at least one of the capability to support REs for which there is overlap between the first set of REs and the first set of control resources, and the capability to support that the first type of reference signal is used for the control channel.

In embodiment 10, the fourth information block in the present application is used to indicate a capability of the first node device in the present application, where the capability of the first node device includes at least one of that the first node device supports at least one overlapping RE between the first set of REs in the present application and the first set of control resources in the present application and that the first node device supports that the first type of reference signal in the present application is used for a control channel.

As an embodiment, the expressions "the first type of reference signal is used for control channels" and "the first type of reference signal can be used for demodulation of control channels" in the claims are equivalent or can be used interchangeably.

As an embodiment, the expressions "the first type of reference signal is used for control channels" and "the first type of reference signal can be used for monitoring of control channels" in the claims are equivalent or can be used interchangeably.

As an embodiment, the expressions "the first type of reference signal is used for control channels" and "the first type of reference signal can be used for channel estimation of control channels" in the claims are equivalent or can be used interchangeably.

As an embodiment, the expressions "the first type of reference signal is used for control channels" and "the first type of reference signal can be used for deriving the channels experienced by the control channels" in the claims are equivalent or can be used interchangeably.

As an embodiment, the expressions "the first type of reference signal is used for control channels" and "the first type of reference signal can be used for DMRS of a secondary control channel" in the claims are equivalent or can be used interchangeably.

As an embodiment, the expression "the capability of the first node device comprises at least one of the first node device supporting that there is at least one overlapping RE between the first set of REs and the first set of control resources and the first node device supporting that the first type of reference signal is used for control channels" in the claims comprises the following meaning: the capabilities of the first node device include the first node device supporting REs for which there is at least one overlap between the first set of REs and the first set of control resources.

As an embodiment, the expression "the capability of the first node device comprises at least one of the first node device supporting that there is at least one overlapping RE between the first set of REs and the first set of control resources and the first node device supporting that the first type of reference signal is used for control channels" in the claims comprises the following meaning: the capabilities of the first node device include the first node device supporting that the first type of reference signal is used for a control channel.

As an embodiment, the expression "the capability of the first node device comprises at least one of the first node device supporting that there is at least one overlapping RE between the first set of REs and the first set of control resources and the first node device supporting that the first type of reference signal is used for control channels" in the claims comprises the following meaning: the capabilities of the first node device include the first node device supporting that there is at least one overlapping RE between the first set of REs and the first set of control resources and the first node device supporting that the first type of reference signal is used for a control channel.

As an embodiment, the capabilities of the first node device further comprise the first node device supporting the presence of at least one overlapping RE between the first set of REs and the first set of control resources and the first node device supporting the capability of the first node device that the first type of reference signal is used outside both control channels.

As an embodiment, the expression "the fourth information block is used to indicate the capabilities of the first node device" in the claims comprises the following meanings: the fourth information block is used to indicate whether the first node device supports a capability of at least one overlapping RE between the first set of control resources and the first set of REs and whether the first node device supports demodulation or decoding of the PDCCH when the first node device supports at least one overlapping RE between the first set of control resources and the first set of REs.

As an embodiment, the expression "the fourth information block is used to indicate the capabilities of the first node device" in the claims comprises the following meanings: the fourth information block is used to indicate whether the first node device supports the ability to monitor CRS-punctured PDCCHs and whether the first node device supports CRS being used for demodulation or decoding of PDCCHs when the first node device supports monitoring CRS-punctured PDCCHs.

As an embodiment, the capability of the first node device is all or part of the capability in the Feature Set (Feature Set) of the first node device.

As an embodiment, the capability of the first node device is all or part of the capability in the downlink Feature Set (Feature Set) of the first node device.

As an embodiment, the capability of the first node device is all or part of the capability of the first node device in the set of per-carrier characteristics (Feature Setper component carrier).

As an embodiment, the capabilities of the first node device are all or part of the capabilities specific to the frequency band of the first node device.

As an embodiment, the capabilities of the first node device are all or part of the capabilities specific to the list of frequency bands of the first node device.

Example 11

Embodiment 11 illustrates a schematic diagram of a first relationship and a second relationship according to one embodiment of the present application, as shown in fig. 11. In fig. 11, the horizontal axis represents time, the vertical axis represents frequency, the thick line box rectangles represent feature resource subsets, each thin line box unfilled rectangle represents a time-frequency element included in the feature resource subset, and each gray filled small rectangular grid represents a RE in the first RE set; according to a first relationship, there is at least one overlapping RE between only part of the time-frequency units in the subset of feature resources and the first set of REs; according to the second relationship, there are overlapping REs between the feature resource subset and the first RE set, or between part of the time-frequency units and the first RE set, or between all of the time-frequency units and the first RE set.

In embodiment 11, the feature resource subset in the present application and the first RE set in the present application conform to a relationship other than a feature relationship, the feature relationship being one of a first relationship or a second relationship; the first relationship comprises at least one overlapping RE between only a portion of the time-frequency units in the subset of feature resources and the first set of REs, and the second relationship comprises at least one overlapping RE between the subset of feature resources and the first set of REs.

As an embodiment, the expression "the relationship between the feature resource subset and the first RE set is outside the feature relationship" and the expression "the feature resource subset and the first RE set are not in line with the feature relationship" in the claims are equivalent or may be used interchangeably.

As an embodiment, the expression "the relationship between the feature resource subset and the first RE set that is outside the feature relationship" and the expression "the first node device in the present application expects (expect) the relationship between the feature resource subset and the first RE set that is outside the feature relationship" in the claims are equivalent or may be used interchangeably.

As an embodiment, the expression "the relationship between the feature resource subset and the first RE set is in addition to the feature relationship" and the expression "the first node device in the present application does not expect the feature resource subset and the first RE set to be in accordance with the feature relationship" are equivalent or may be used interchangeably.

As an embodiment, the expression "the relationship between the feature resource subset and the first RE set that is outside the feature relationship" and the expression "the first node device in the present application determines that the relationship between the feature resource subset and the first RE set that is outside the feature relationship" in the claims are equivalent or may be used interchangeably.

As an embodiment, the expression "the relationship between the feature resource subset and the first RE set is in addition to the feature relationship" and the expression "the relationship between the feature resource subset and the first RE set is not intended by the first node device in the present application to be the feature relationship" are equivalent or may be used interchangeably.

As an embodiment, when the feature relation is the first relation, the expression "the relation between the feature resource subset and the first RE set is outside the feature relation" and the expression "the first node device in the present application does not expect that only part of the time-frequency units in the feature resource subset have at least one overlapping RE between the time-frequency units and the first RE set" in the claims are identical or can be used interchangeably; when the feature relation is the second relation, the expression "the relation between the feature resource subset and the first RE set that is in line with the outside of the feature relation" and the expression "the first node device in the present application does not expect any overlapping REs between the feature resource subset and the first RE set" in the claims are equivalent or can be used interchangeably.

As an embodiment, the characteristic relation is determined from the first relation or the second relation.

As an embodiment, the feature relation is whether the first relation or the second relation is signalling configured or predefined.

As an embodiment, whether the characteristic relationship is the first relationship or the second relationship is determined according to a conditional relationship.

As an embodiment, whether the characteristic relation is the first relation or the second relation is determined according to the capabilities of the first node device in the present application.

As an embodiment, the second information block is used to indicate the characteristic relation explicitly or implicitly from the first relation or the second relation.

As an embodiment, signalling outside the second information block is used to indicate the characteristic relation, either explicitly or implicitly, from the first relation or the second relation.

As an embodiment, a capability (capability) report of the first node device is used to determine the characteristic relationship, either explicitly or implicitly, from the first relationship or the second relationship.

As an embodiment, at least one of a network signaling or a capability report of the first node device is used to determine the characteristic relationship from the first relationship or the second relationship.

As an embodiment, a capability (capability) report of the first node device is used together with the second information block to determine the characteristic relation explicitly or implicitly from the first relation or the second relation.

As an embodiment, a capability (capability) report of the first node device is used together with signaling outside the second information block to determine the characteristic relation either explicitly or implicitly from the first relation or the second relation.

As an embodiment, the capability report of the first node device explicitly or implicitly indicates that the capability of supporting CRS puncturing (send) PDCCH and the characteristic relation are identical or mutually exchangeable between the first relations.

As an embodiment, the capability report of the first node device explicitly or implicitly indicates the capability of supporting at least one overlapping RE between CRS and PDCCH (or CORESET) and the characteristic relation is identical or mutually exchangeable between the first relations.

As an embodiment, the capability report of the first node device explicitly or implicitly indicates that the capability of the CRS-puncturing (puncturing) PDCCH is not supported and the characteristic relation is identical or mutually exchangeable between the second relations.

As an embodiment, the capability report of the first node device explicitly or implicitly indicates that only orthogonal capabilities between CRS and PDCCH (or CORESET) are supported and the characteristic relation is identical or mutually exchangeable between the second relations.

As an embodiment, CRS Puncturing (PDCCH) is configured or provided or turned on (enabled or on) and the characteristic relation is identical or can be used interchangeably between the first relations.

As an embodiment, CRS Puncturing (PDCCH) is not configured or provided or turned off (disable or off) and the characteristic relation is identical or can be used interchangeably between the second relations.

As an embodiment, REs where there is at least one overlap between CRS and PDCCH (or CORESET) are configured or provided or turned on and the characteristic relation is identical or can be used interchangeably between the first relations.

As an embodiment, REs where there is at least one overlap between CRS and PDCCH (or CORESET) are not configured or provided or turned off (disable or off) and the characteristic relation is identical or can be used interchangeably between the second relations.

As an embodiment, REs supporting overlapping between the first RE set and the first control resource set are configured or provided or opened (enabled or on) and the characteristic relation is identical between the first relations or can be used interchangeably.

As an embodiment, REs supporting overlapping between the first RE set and the first control resource set are not configured or provided or turned off (disable or off) and the characteristic relation is identical or can be used interchangeably between the second relations.

As an embodiment, REs between the first set of REs and the first set of control resources that do not support any overlap and the characteristic relation are identical or are mutually exchangeable between the second relations.

As an embodiment, CRS Puncturing (PDCCH), at least one overlapping RE between CRS and PDCCH (or CORESET), the first set of REs and the first set of control resources are non-orthogonal, and at least one overlapping RE between the first set of REs and the first set of control resources is identical or may be used interchangeably.

As an embodiment, the index of the first set of control resources is used to determine the characteristic relationship from between the first relationship or the second relationship.

As an embodiment, the expression "the first relation includes REs in the subset of characteristic resources where there is at least one overlap between only part of the time-frequency units and the first set of REs" means: the first relation and "at least one overlapping RE between only part of the time-frequency units in the subset of characteristic resources and the first set of REs" are identical or are mutually exchangeable.

As an embodiment, the expression "the first relation includes REs in the subset of characteristic resources where there is at least one overlap between only part of the time-frequency units and the first set of REs" means: the first relationship is that there is at least one overlapping RE between only a portion of the time-frequency units in the subset of characteristic resources and the first set of REs.

As an embodiment, the expression "the first relation includes REs in the subset of characteristic resources where there is at least one overlap between only part of the time-frequency units and the first set of REs" means: the first relation and the first RE set have at least one overlapped RE between a first time-frequency unit in the characteristic resource subset and the first RE set, and the second time-frequency unit in the characteristic resource subset and the first RE set do not have any overlapped RE, and the first time-frequency unit and the second time-frequency unit are identical or can be used interchangeably between two different time-frequency units in the characteristic resource subset.

As an embodiment, the expression "the first relation includes REs in the subset of characteristic resources where there is at least one overlap between only part of the time-frequency units and the first set of REs" means: the first relationship and "there is at least one overlapping RE between the feature resource subset and the first RE set but the feature resource subset includes a time-frequency element and the first RE does not have any overlapping RE" are equivalent or can be used interchangeably.

As an embodiment, the expression "the second relation includes REs where there is at least one overlap between the feature resource subset and the first RE set" in the claims means: the second relationship and "there is at least one overlapping RE between the feature resource subset and the first RE set" are equivalent or may be used interchangeably.

As an embodiment, the expression "the second relation includes REs where there is at least one overlap between the feature resource subset and the first RE set" in the claims means: the second relationship and "at least one overlapping RE between at least one time-frequency unit and the first set of REs in the subset of characteristic resources" are equivalent or may be used interchangeably.

As an embodiment, the expression "the feature resource subset and the first RE set conform to a relationship other than a feature relationship, the feature relationship being one of a first relationship or a second relationship; the first relationship comprises REs in which there is at least one overlap between only part of the time-frequency units in the subset of feature resources and the first set of REs, and the second relationship comprises REs "in which there is at least one overlap between the subset of feature resources and the first set of REs, comprising the following meanings: the first node device in this application does not expect (not expect) that only part of the time-frequency units comprised by the subset of feature resources and the first set of REs have overlapping REs, or the first node device in this application does not expect (not expect) that any overlapping REs exist between the subset of feature resources and the first set of REs.

As an embodiment, the expression "the feature resource subset and the first RE set conform to a relationship other than a feature relationship, the feature relationship being one of a first relationship or a second relationship; the first relationship comprises REs in which there is at least one overlap between only part of the time-frequency units in the subset of feature resources and the first set of REs, and the second relationship comprises REs "in which there is at least one overlap between the subset of feature resources and the first set of REs, comprising the following meanings: the first node device in this application expects (expect) that there is either orthogonal between the subset of feature resources and the first set of REs, or that there is at least one overlapping RE between each time-frequency unit comprised by the subset of feature resources and the first set of REs.

As an embodiment, the expression "the feature resource subset and the first RE set conform to a relationship other than a feature relationship, the feature relationship being one of a first relationship or a second relationship; the first relationship comprises REs in which there is at least one overlap between only part of the time-frequency units in the subset of feature resources and the first set of REs, and the second relationship comprises REs "in which there is at least one overlap between the subset of feature resources and the first set of REs, comprising the following meanings: when the characteristic relation is the first relation, the first node device in the application does not expect at least one overlapped RE between only part of the time-frequency units in the characteristic resource subset and the first RE set; when the feature relation is the second relation, the first node device in the present application does not expect any overlapping REs between the feature resource subset and the first RE set.

As an embodiment, the expression "the feature resource subset and the first RE set conform to a relationship other than a feature relationship, the feature relationship being one of a first relationship or a second relationship; the first relationship comprises REs in which there is at least one overlap between only part of the time-frequency units in the subset of feature resources and the first set of REs, and the second relationship comprises REs "in which there is at least one overlap between the subset of feature resources and the first set of REs, comprising the following meanings: the first node device in the present application does not expect at least one overlapping RE to exist between only part of the time-frequency units in the subset of characteristic resources and the first set of REs.

Example 12

Embodiment 12 illustrates a schematic diagram of precoding of a second type of reference signal according to an embodiment of the present application, as shown in fig. 12. In the drawing of figure 12 of the drawings,representing a precoding matrix of the second type of reference signals.

In embodiment 12, the second information block in the present application is used to determine at least one of a type of quasi co-sited relation between the first type of reference signal in the present application and the second type of reference signal in the present application, precoding of the second type of reference signal.

As an embodiment, the type of quasi co-sited relation between the first type of reference signal and the second type of reference signal is one of type a (typeA), type B (typeB) or type C (typeC).

As an embodiment, the type of quasi co-sited relation between the first type of reference signal and the second type of reference signal is one of type a (typeA) or type D (typeD).

As an embodiment, the type of quasi co-sited relation between the first type of reference signal and the second type of reference signal is one of type1 (type 1) or type2 (type 2).

As an embodiment, the type of quasi co-sited relation between the first type of reference signal and the second type of reference signal is one of a QCL type comprising small scale fading or a QCL type comprising only large scale fading.

As an embodiment, the type of quasi co-sited relation between the first type of reference signal and the second type of reference signal is one of a QCL type including spatial reception parameters or a QCL type not including spatial reception parameters.

As an embodiment, the type of quasi co-sited relation between the first type of reference signal and the second type of reference signal is one of a QCL type comprising a delay spread (delay spread) or not comprising a delay spread.

As an embodiment, the types of quasi co-location relations between the first type of reference signals and the second type of reference signals include: the type of quasi co-sited relationship between at least one antenna port of the first type of reference signal and at least one antenna port of the second type of reference signal.

As an embodiment, the types of quasi co-location relations between the first type of reference signals and the second type of reference signals include: the type of quasi co-sited relationship between antenna ports of the first type of reference signals occupying at least one RE included in the first set of REs and antenna ports of the second type of reference signals occupying at least one RE included in the first set of control resources.

As an embodiment, the type of quasi co-sited relation between the first type of reference signal and the second type of reference signal refers to a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal that the first node device assumes (assume).

As an embodiment, the type of quasi co-sited relation between the first type of reference signal and the second type of reference signal refers to the type of quasi co-sited relation between the ID or index of the first type of reference signal and the ID or index of the second type of reference signal.

As an embodiment, the precoding of the second type of reference signal refers to: and precoding matrixes of the second type of reference signals.

As an embodiment, the precoding of the second type of reference signal refers to: and indexing the precoding matrix of the second type of reference signals.

As an embodiment, the precoding of the second type of reference signal refers to: PMI (PrecodingMatrix Indicator ) of the second type of reference signal.

As an embodiment, the precoding of the second type of reference signal refers to: TPMI (Transmission Precoding Matrix Indicator), transmitting a precoding matrix indication) of the second type of reference signal.

As an embodiment, the precoding of the second type of reference signal refers to: the spatial parameters of the second type of reference signals or parameters of a spatial filter.

As an embodiment, the precoding of the second type of reference signal refers to: precoding of the second type of reference signals in the characteristic resource subset.

As an embodiment, the precoding of the second type of reference signal refers to: the mapped REs belong to precoding of the second type of reference signals of the subset of characteristic resources.

As an embodiment, the precoding of the second type of reference signal refers to: the second type of reference signals are precoded in one precoding particle.

As an embodiment, the precoding of the second type of reference signal refers to: precoding of the second type of reference signals in one REG binding.

As an embodiment, the precoding of the second type of reference signal refers to: the mapped REs belong to precoding of the second type of reference signal of one consecutive RB subset in the frequency domain.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal, precoding of the second type of reference signal" comprises the following meanings: the second information block is used by the first node device in the present application to determine at least one of a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal, and precoding of the second type of reference signal.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal, precoding of the second type of reference signal" comprises the following meanings: the second information block is used to explicitly or implicitly indicate at least one of a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal, precoding of the second type of reference signal.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal, precoding of the second type of reference signal" comprises the following meanings: the second information block is used to determine only one of a type of quasi co-sited relationship between the first type of reference signal and the second type of reference signal, precoding of the second type of reference signal.

As an embodiment, the expression "the second information block is used in the claims to determine at least one of a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal, precoding of the second type of reference signal" comprises the following meanings: the second information block is used to determine a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal and a precoding of the second type of reference signal.

As an embodiment, the second information block is used for indicating reference signals quasi co-located by the first type of reference signals, whether the reference signals quasi co-located by the first type of reference signals and the reference signals quasi co-located by the second type of reference signals included in the first control resource set are the same is used for determining at least one of whether the first type of reference signals and the second type of reference signals are quasi co-located or whether the first type of reference signals are used for control channels.

Example 13

Embodiment 13 illustrates a block diagram of the processing means in the first node device of an embodiment, as shown in fig. 13. In fig. 13, a first node device processing apparatus 1300 includes a first transceiver 1301 and a first receiver 1302. The first transceiver 1301 includes a transmitter/receiver 456 (including an antenna 460), a receive processor 452, a transmit processor 455, and a controller/processor 490 of fig. 4 of the present application; the first receiver 1302 includes a transmitter/receiver 456 (including an antenna 460) of fig. 4 of the present application, a receive processor 452, and a controller/processor 490.

In embodiment 13, the first transceiver 1301 receives a first information block and a second information block, the first information block being used for determining a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal; the first receiver 1302 monitors a first set of control resources for control channel alternatives, the first set of control resources including a plurality of REs, at least one RE included in the first set of control resources being used for a second type of reference signal, the second type of reference signal and the first type of reference signal being two different types of reference signals, respectively, the second type of reference signal being used for demodulation of a control channel; wherein, there is at least one overlapping RE between the first RE set and the first control resource set; the first control resource set comprises a characteristic resource subset, the characteristic resource subset comprises a plurality of time-frequency units, any one time-frequency unit included in the characteristic resource subset comprises a plurality of REs, and any two time-frequency units included in the characteristic resource subset adopt the same precoding; the second information block is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

As one embodiment, a first offset value is used to determine the first set of REs, the first offset value being a non-negative integer, the first offset value being equal to a remainder of a first identification divided by 6, the first identification being a non-negative integer; the first information block is used to indicate the first identity or the first information block is used to indicate the first offset value.

As an embodiment, the first set of REs comprises a first subset of REs comprising a plurality of REs and a second subset of REs comprising a plurality of REs; two sub-information blocks included in the first information block are used to determine the first RE subset and the second RE subset, respectively; the index of the control resource set resource pool to which the first control resource set belongs is used to determine a target RE subset from between the first RE subset and the second RE subset, and the second information block is used to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels.

As an embodiment, the first transceiver 1301 receives a third information block, wherein the third information block is used to determine a second set of REs comprising a plurality of REs, and the relation between the first set of REs and the second set of REs is used to determine monitoring control channel alternatives in the first set of control resources.

As one embodiment, at least one of the number of antenna ports of the first type of reference signal, the precoding granularity of the first set of control resources, the index value of the first set of control resources, the type of search space set associated to the first set of control resources, the type of reference signal to which the second type of reference signal comprised by the first set of control resources is quasi co-located is used for determining to monitor control channel alternatives in the first set of control resources.

As an embodiment, the first transceiver 1301 transmits a fourth information block; wherein the fourth information block is used to indicate a capability of the first node device, the capability of the first node device including at least one of the first node device supporting REs for which there is at least one overlap between the first set of REs and the first set of control resources and the first node device supporting that the first type of reference signal is used for a control channel.

As an embodiment, the relationship between the feature resource subset and the first RE set accords with a relationship other than a feature relationship, the feature relationship being one of a first relationship or a second relationship; the first relationship comprises at least one overlapping RE between only a portion of the time-frequency units in the subset of feature resources and the first set of REs, and the second relationship comprises at least one overlapping RE between the subset of feature resources and the first set of REs.

As an embodiment, the second information block is used for determining at least one of a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal, precoding of the second type of reference signal.

Example 14

Embodiment 14 illustrates a block diagram of the processing means in the second node device of an embodiment, as shown in fig. 14. In fig. 14, the second node device processing apparatus 1400 includes a second transceiver 1401 and a first transmitter 1402. The second transceiver 1401 includes the transmitter/receiver 416 (including the antenna 460), the receive processor 412, the transmit processor 415, and the controller/processor 440 of fig. 4 of the present application; the first transmitter 1402 includes a transmitter/receiver 416 (including an antenna 460), a transmit processor 415, and a controller/processor 440 of fig. 4 of the present application.

In embodiment 14, the second transceiver 1401 transmits a first information block and transmits a second information block, the first information block being used to determine a first set of REs, the first set of REs comprising at least one RE occupied by a first type of reference signal; a first transmitter 1402 sends a control channel candidate in a first set of control resources, the first set of control resources including a plurality of REs, at least one RE included in the first set of control resources being used for a second type of reference signal, the second type of reference signal and the first type of reference signal being two different types of reference signals, respectively, the second type of reference signal being used for demodulation of a control channel; wherein, there is at least one overlapping RE between the first RE set and the first control resource set; the first control resource set comprises a characteristic resource subset, the characteristic resource subset comprises a plurality of time-frequency units, any one time-frequency unit included in the characteristic resource subset comprises a plurality of REs, and any two time-frequency units included in the characteristic resource subset adopt the same precoding; the second information block is used to determine at least one of a spatial relationship between the first type of reference signal and the second type of reference signal in the subset of characteristic resources or whether the first type of reference signal is used for a control channel.

For one embodiment, the second transceiver 1401 transmits a third block of information; wherein the third information block is used to determine a second set of REs comprising a plurality of REs, the relationship between the first set of REs and the second set of REs being used to determine monitoring control channel alternatives in the first set of control resources.

For one embodiment, the second transceiver 1401 receives a fourth block of information; wherein the fourth information block is used to indicate capabilities of a sender of the fourth information block, the capabilities of the sender of the fourth information block including at least one of a sender of the fourth information block supporting at least one overlapping RE between the first set of REs and the first set of control resources and a sender of the fourth information block supporting the first type of reference signal being used for a control channel.

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 application is not limited to any specific combination of software and hardware. The first node device or the second node device or the UE or the terminal in the present application includes, but is not limited to, a mobile phone, a tablet computer, a notebook, an internet card, a low power consumption device, eMTC device, NB-IoT device, a vehicle-mounted communication device, an aircraft, an airplane, an unmanned plane, a remote control airplane, and other wireless communication devices. The base station device or the base station or the network side 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, an eNB, a gNB, a transmission receiving node TRP, a relay satellite, a satellite base station, an air base station, and other wireless communication devices.

It will be appreciated by those skilled in the art that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the presently disclosed embodiments are considered in all respects to be illustrative and not restrictive. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalents are intended to be embraced therein.

Claims

1. A first node device for wireless communication, comprising:

2. The first node device of claim 1, wherein a first offset value is used to determine the first set of REs, the first offset value being a non-negative integer, the first offset value being equal to a remainder of a first identification divided by 6, the first identification being a non-negative integer; the first information block is used to indicate the first identity or the first information block is used to indicate the first offset value.

3. The first node device of claim 1 or 2, wherein the first set of REs comprises a first subset of REs and a second subset of REs, the first subset of REs comprising a plurality of REs and the second subset of REs comprising a plurality of REs; two sub-information blocks included in the first information block are used to determine the first RE subset and the second RE subset, respectively; the index of the control resource set resource pool to which the first control resource set belongs is used to determine a target RE subset from between the first RE subset and the second RE subset, and the second information block is used to determine at least one of a spatial relationship between the first type of reference signals occupying the target RE subset and the second type of reference signals or whether the first type of reference signals occupying the target RE subset are used for control channels.

4. A first node device according to any of claims 1-3, characterized in that the first transceiver receives a third information block, wherein the third information block is used to determine a second set of REs comprising a plurality of REs, the relation between the first set of REs and the second set of REs being used to determine monitoring control channel alternatives in the first set of control resources.

5. The first node device of any of claims 1-4, wherein at least one of a number of antenna ports of the first type of reference signal, a precoding granularity of the first set of control resources, an index value of the first set of control resources, a type of search space set associated to the first set of control resources, a type of reference signal quasi-co-located by a second type of reference signal comprised by the first set of control resources is used to determine to monitor for control channel alternatives in the first set of control resources.

6. The first node device of any of claims 1-5, wherein the first transceiver transmits a fourth block of information; wherein the fourth information block is used to indicate a capability of the first node device, the capability of the first node device including at least one of the first node device supporting REs for which there is at least one overlap between the first set of REs and the first set of control resources and the first node device supporting that the first type of reference signal is used for a control channel.

7. The first node device of any of claims 1-6, wherein a relationship between the subset of feature resources and the first set of REs is outside of a feature relationship, the feature relationship being one of a first relationship or a second relationship; the first relationship comprises at least one overlapping RE between only a portion of the time-frequency units in the subset of feature resources and the first set of REs, and the second relationship comprises at least one overlapping RE between the subset of feature resources and the first set of REs.

8. The first node device according to any of claims 1 to 7, characterized in that the second information block is used for determining at least one of a type of quasi co-sited relation between the first type of reference signal and the second type of reference signal, a precoding of the second type of reference signal.

9. A second node device for wireless communication, comprising:

10. A method in a first node for wireless communication, comprising:

11. A method in a second node for wireless communication, comprising: