CN116801259A

CN116801259A - Method and apparatus in a node for wireless communication

Info

Publication number: CN116801259A
Application number: CN202111574658.XA
Authority: CN
Inventors: 武露; 张晓博
Original assignee: Shanghai Tuluo Communication Technology Partnership LP
Current assignee: Shanghai Tuluo Communication Technology Partnership LP
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2023-09-22

Abstract

A method and apparatus in a node for wireless communication is disclosed. The first node receives a first information block and a second information block; monitoring a control channel of a scheduling first cell in a first search space set to alternatively indicate that the scheduling cell of the first cell comprises a second cell by the first information block, wherein the second information block is used for indicating the first search space set; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains.

Description

Method and apparatus in a node for wireless communication

Technical Field

The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly, to a transmission method and apparatus for wireless signals in a wireless communication system supporting a cellular network.

Background

In 3GPP (3 rd Generation Partner Project, third generation partnership project) NR (Release) 15, in the case of cross-carrier scheduling (cross carrier scheduling), the control channel of one scheduled cell alternatively belongs to the search space set of its scheduling cell, and part of the optional fields in the search space configuration of the scheduled cell are configured to be absent, and the search space set of the scheduled cell and the search space set of the connected (linked) scheduling cell have the same identity. In 3gpp nr 17, a SCell (Secondary Cell) cross-scheduling PCell (Primary Cell)/PSCell (Primary Secondary Cell ) and other serving cells are agreed, wherein configuration of a search space set is an important issue.

Disclosure of Invention

The inventors found through research that how to determine a set of search spaces for a cell in the case of supporting cross-carrier scheduling is a focus of research.

In view of the above, the present application discloses a solution. It should be noted that, although the above description uses a downlink communication scenario as an example, the present application is also applicable to other scenarios such as downlink, accompanying link (sidelink), and achieves technical effects similar to those in a downlink communication scenario. Furthermore, the adoption of unified solutions for different scenarios (including but not limited to downlink, uplink and companion links) also helps to reduce hardware complexity and cost. Embodiments of the application and features in embodiments may be applied to any other node and vice versa without conflict. The embodiments of the application and the features of the embodiments may be combined with each other arbitrarily without conflict.

As an embodiment, the term (terminalogy) in the present application is explained with reference to the definition of the 3GPP specification protocol TS36 series.

As an embodiment, the term in the present application is explained with reference to the definition of the 3GPP specification protocol TS38 series.

As an embodiment, the term in the present application is explained with reference to the definition of the 3GPP specification protocol TS37 series.

As one example, the term in the present application is explained with reference to the definition of the specification protocol of IEEE (Institute ofElectrical and Electronics Engineers ).

The application discloses a method used in a first node of wireless communication, which is characterized by comprising the following steps:

receiving a first information block and a second information block;

monitoring control channel alternatives of the scheduled first cell in the first search space set;

wherein the second information block and the first information block are both for the first cell, the first information block indicating that a scheduling cell of the first cell includes a second cell, the second information block being used to indicate the first set of search spaces; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one domain of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains; when the second information block includes the target domain, the first set of search spaces includes a first set of control channel alternatives and a second set of control channel alternatives, the first set of control channel alternatives being on the first cell and the second set of control channel alternatives being on the second cell; the first search space is aggregated over the first cell when the second information block includes at least one domain of the first subset of domains and the second information block does not include the target domain.

As an embodiment, the problem to be solved by the present application is: in the case of supporting cross-carrier scheduling, how to determine a set of search spaces for a cell.

As an embodiment, the above method is essentially based on the field of the second information block included/not included determining whether the first set of search spaces is on the first cell or on the second cell or comprises both control channel alternatives of the first cell and control channel alternatives of the second cell. The method has the advantages of flexibly realizing the configuration of the search space set under various conditions and having backward compatibility.

According to an aspect of the present application, the first cell is a PCell or a PSCell, and the second cell is a serving cell other than the first cell in a first set of cells, the first set of cells including at least the first cell and the second cell.

According to an aspect of the application, the second set of domains further comprises a reference domain, the reference domain being a domain outside the first subset of domains in the second set of domains; the reference field indicates a number of control channel alternatives on the first cell in the first set of search spaces, and the target field indicates a number of control channel alternatives on the second cell in the first set of search spaces; alternatively, the reference field indicates a number of control channel alternatives on the second cell in the first set of search spaces, and the target field indicates a number of control channel alternatives on the first cell in the first set of search spaces.

According to an aspect of the application, the target domain indicates that the first set of search spaces comprises control channel alternatives on the second cell.

According to an aspect of the application, it is characterized in that one field of said first set of fields comprised by said second information block indicates a first identity; when the first search space set is on the first cell, an identification of the first search space set on the first cell is equal to the first identification; when the first search space set is on the second cell, the identity of the first search space set on the second cell is equal to the first identity; when the first set of search spaces includes the first set of control channels alternatives and the second set of control channels alternatives, the first set of control channels alternatives belongs to one set of search spaces on the first cell identified by the first identity, and the second set of control channels alternatives belongs to one set of search spaces on the second cell identified by the first identity.

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

Receiving a first signaling;

operating a first signal on the first cell;

wherein the operation is a transmission or the operation is a reception; the first information block indicates a first value; the first signaling occupies one control channel alternative in the first search space set; the first signaling schedules the first signal; when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the second cell, the first signaling includes a first domain, and a value of the first domain in the first signaling is equal to the first numerical value.

According to an aspect of the application, the value of the first field in the first signaling is equal to 0 or the first field in the first signaling is ignored when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the first cell.

According to an aspect of the application, it is characterized in that whether the first signaling comprises whether the first domain is related to a control channel alternative occupied by the first signaling on the first cell or on the second cell; when a control channel occupied by the first signaling is alternatively on the first cell, the first signaling does not include the first domain.

The application discloses a method used in a second node of wireless communication, which is characterized by comprising the following steps:

transmitting the first information block and the second information block;

wherein the second information block and the first information block are both for a first cell, the first information block indicating that a scheduling cell of the first cell includes a second cell, the second information block being used to indicate a first set of search spaces; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one domain of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains; when the second information block includes the target domain, the first set of search spaces includes a first set of control channel alternatives and a second set of control channel alternatives, the first set of control channel alternatives being on the first cell and the second set of control channel alternatives being on the second cell; the first search space is aggregated over the first cell when the second information block includes at least one domain of the first subset of domains and the second information block does not include the target domain.

transmitting a first signaling;

performing a first signal on the first cell;

wherein the execution is receiving or the execution is transmitting; the first information block indicates a first value; the first signaling occupies one control channel alternative in the first search space set; the first signaling schedules the first signal; when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the second cell, the first signaling includes a first domain, and a value of the first domain in the first signaling is equal to the first numerical value.

The present application discloses a first node device used for wireless communication, which is characterized by comprising:

a first receiver that receives a first information block and a second information block; monitoring control channel alternatives of the scheduled first cell in the first search space set;

The present application discloses a second node apparatus used for wireless communication, characterized by comprising:

a second transmitter that transmits the first information block and the second information block;

As an embodiment, the present application has the following advantages over the conventional scheme:

-flexibly enabling configuration of the set of search spaces in a plurality of situations;

-having backward compatibility.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings in which:

fig. 1 shows a flow chart of a first information block, a second information block and a control channel alternative for monitoring a scheduling first cell according to an embodiment of the application;

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

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

FIG. 4 shows a schematic diagram of a first communication device and a second communication device according to one embodiment of the application;

FIG. 5 illustrates a flow chart of a transmission according to one embodiment of the application;

fig. 6 shows a schematic diagram of a first cell and a second cell according to an embodiment of the application;

fig. 7 shows a schematic diagram of a first cell and a second cell according to another embodiment of the application;

FIG. 8 shows a schematic diagram of a target domain according to one embodiment of the application;

FIG. 9 shows a schematic diagram of a target domain according to another embodiment of the application;

FIG. 10 illustrates a schematic diagram of a relationship between a first set of search spaces and a first identity, according to one embodiment of the application;

FIG. 11 illustrates a schematic diagram of a relationship of a second set of search spaces and a first set of search spaces, according to one embodiment of the application;

fig. 12 shows a schematic diagram of a first domain in a first signaling according to an embodiment of the application;

fig. 13 shows a schematic diagram of a first domain in a first signaling according to another embodiment of the application;

fig. 14 shows a block diagram of a processing arrangement for use in a first node device according to an embodiment of the application;

fig. 15 shows a block diagram of a processing arrangement for a device in a second node according to an embodiment of the application.

Detailed Description

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

Example 1

Embodiment 1 illustrates a flow chart of a first information block, a second information block, and monitoring a control channel alternative for scheduling a first cell according to one embodiment of the application, as shown in fig. 1. In 100 shown in fig. 1, each block represents a step. In particular, the order of steps in the blocks does not represent a particular chronological relationship between the individual steps.

In embodiment 1, the first node in the present application receives a first information block and a second information block in step 101; monitoring control channel alternatives for scheduling the first cell in the first set of search spaces in step 102; wherein the second information block and the first information block are both for the first cell, the first information block indicating that a scheduling cell of the first cell includes a second cell, the second information block being used to indicate the first set of search spaces; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one domain of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains; when the second information block includes the target domain, the first set of search spaces includes a first set of control channel alternatives and a second set of control channel alternatives, the first set of control channel alternatives being on the first cell and the second set of control channel alternatives being on the second cell; the first search space is aggregated over the first cell when the second information block includes at least one domain of the first subset of domains and the second information block does not include the target domain.

As an embodiment, the scheduling cell of the first cell includes a second cell and the first cell.

As an embodiment, the scheduling cell of the first cell comprises only the second cell and the first cell.

As an embodiment, the first information block indicates that the first cell may be scheduled by a second cell.

As an embodiment, the first information block comprises part or all of the field (field) of an IE (Information Element ).

As an embodiment, the first information block comprises IE CrossCarrierSchedulingConfig.

As an embodiment, the first information block is carried by higher layer signaling.

As an embodiment, the first information block is carried by RRC signaling.

As an embodiment, the first information block indicates an identity (identity) of the second cell.

As an embodiment, the first information block comprises at least one field, one field in the first information block indicating an identity of the second cell.

As an embodiment, the first information block includes at least one field, and the schedulingCellId field in the first information block indicates an identity of the second cell.

As an embodiment, a field comprises at least one bit.

As an embodiment, the identity of one serving cell is used to identify (identify) said one serving cell.

As an embodiment, the first cell is a serving cell, the second cell is a serving cell, and the first cell and the second cell are different.

As one embodiment, signaling to schedule transmissions on one serving cell is sent on the scheduling cell of the one serving cell.

As one embodiment, signaling to schedule transmissions on one serving cell occupies the time-frequency resources of the scheduling cell of the one serving cell.

As one embodiment, control signaling scheduling transmissions on one serving cell occupies control channel alternatives of the scheduling cell of the one serving cell.

As one embodiment, scheduling signaling for one serving cell is sent on the scheduling cell of the one serving cell.

As an embodiment, the scheduling signaling of one serving cell occupies the time-frequency resources of the scheduling cell of the one serving cell.

As an embodiment, the scheduling signaling of one serving cell occupies a control channel alternative of the scheduling cell of the one serving cell.

As an embodiment, the second information block includes part or all of the fields of one IE.

As an embodiment, the second information block includes an IE SearchSpace.

As an embodiment, the second information block is carried by higher layer signaling.

As an embodiment, the second information block is carried by RRC signaling.

As an embodiment, the second information block indicates part or all of the configuration information of the first set of search spaces.

As an embodiment, the second information block indicates configuration information of the first set of search spaces.

As an embodiment, the second information block indicates part of the configuration information of the first set of search spaces, and the third information block indicates part of the configuration information of the first set of search spaces.

As an embodiment, the second information block and the third information block together indicate configuration information of the first set of search spaces.

As an embodiment, the meaning of the sentence "the second information block and the first information block are both for the first cell" includes: the second information block and the first information block are both configured to the first cell.

As an embodiment, the meaning of the sentence "the second information block and the first information block are both for the first cell" includes: the cross carrier schedule config field in IE ServingCellConfig for the first cell includes the first information block and the downlinkBWP-ToAddModList field in IE ServingCellConfig for the first cell includes the second information block.

As an embodiment, the meaning of the sentence "the second information block and the first information block are both for the first cell" includes: one field in IE ServingCellConfig for the first cell includes the first information block and one field in IE ServingCellConfig for the first cell includes the second information block.

As one embodiment, the first set of search spaces includes control channel alternatives used to schedule the first cell.

As an embodiment, the first set of search spaces only comprises control channel alternatives used for scheduling the first cell.

As one embodiment, the first set of search spaces includes control channel alternatives used to schedule the first cell and other cells.

As an embodiment, the first set of search spaces comprises at least one control channel candidate.

As an embodiment, the first set of search spaces is a set of search spaces, a set of search spaces (search space set) comprising at least one control channel candidate.

As an embodiment, one set of search spaces includes at least one symbol in the time domain.

As an embodiment, one search space set includes at least one RB (Resource Block) in the frequency domain.

As an embodiment, one search space set includes at least one RE (Resource Element).

For a specific definition of one set of search spaces, see 3gpp TS 38.213 section 10, for one embodiment.

As an embodiment, one of the control channel alternatives is a physical downlink control channel (PDCCH, physical Downlink Control Channel) alternative (Candidate).

As an embodiment, one of the control channel alternatives is a monitored PDCCH alternative.

As an embodiment, one of the control channel alternatives is one EPDCCH (Enhanced PDCCH) alternative.

As an embodiment, one of the control channels alternatively occupies a plurality of REs (Resource elements).

As an embodiment, one of the control channels alternatively occupies one or more CCEs (Control Channel Element, control channel elements).

As an embodiment, the number of CCEs occupied by one of said control channel alternatives is equal to one of 1, 2, 4, 8, 16.

As one embodiment, one CCE includes 9 REG (Resource Element Group) and one REG includes 4 REs.

As one embodiment, one CCE includes 6 REGs and one REG includes 12 REs.

For a specific definition of the PDCCH truck, see section 10 of 3gpp TS 38.213, as an example.

As an embodiment, one RE occupies one symbol in the time domain and one subcarrier in the frequency domain.

As an embodiment, the symbol is a single carrier symbol.

As an embodiment, the symbol is a multicarrier symbol.

As an embodiment, the multi-carrier symbol is an OFDM (Orthogonal Frequency DivisionMultiplexing ) symbol.

As an embodiment, the multi-Carrier symbol is an SC-FDMA (Single Carrier-Frequency Division MultipleAccess, single Carrier frequency division multiple access) symbol.

As an embodiment, the multi-carrier symbol is a DFT-S-OFDM (Discrete Fourier Transform SpreadOFDM, discrete fourier transform orthogonal frequency division multiplexing) symbol.

As an embodiment, the multi-carrier symbol is an FBMC (FilterBank Multi Carrier, filter bank multi-carrier) symbol.

As an embodiment, the multicarrier symbol includes CP (Cyclic Prefix).

As an example, the phrase "Monitor" a control channel alternative "means to include: the monitoring refers to blind decoding, namely, receiving signals on one control channel alternative and executing decoding operation; if decoding is determined to be correct based on the CRC (Cyclic Redundancy Check ) bits, determining to detect (detect) to a control signaling on the one control channel candidate; otherwise, judging that one control signaling is not detected on the one control channel alternative.

As an example, the phrase "Monitor" a control channel alternative "means to include: the monitoring refers to coherent detection, namely, coherent reception is carried out on one control channel alternative, and the energy of a signal obtained after the coherent reception is measured; if the energy of the signal obtained after the coherent reception is greater than a first given threshold, judging that one control signaling is detected on one control channel alternative; otherwise, judging that one control signaling is not detected on the one control channel alternative.

As an example, the phrase "Monitor" a control channel alternative "means to include: the monitoring refers to energy detection, i.e. sensing (Sense) the energy of the wireless signal on one control channel alternative and averaging to obtain the received energy; if the received energy is greater than a second given threshold, determining that a control signaling is detected on the one control channel candidate; otherwise, judging that one control signaling is not detected on the one control channel alternative.

As an example, the phrase "Monitor" a control channel alternative "means to include: it is determined from the CRC whether a control signaling is sent on a control channel candidate.

As an example, the phrase "Monitor" a control channel alternative "means to include: whether a control signaling is sent on a control channel candidate is not determined until a determination is made as to whether the decoding is correct based on the CRC.

As an example, the phrase "Monitor" a control channel alternative "means to include: a determination is made as to whether a control signaling is being sent on a control channel candidate based on the coherent detection.

As an example, the phrase "Monitor" a control channel alternative "means to include: it is not determined whether a control signaling is sent on a control channel candidate prior to coherent detection.

As an example, the phrase "Monitor" a control channel alternative "means to include: a determination is made as to whether a control signaling is sent on a control channel candidate based on the energy detection.

As an example, the phrase "Monitor" a control channel alternative "means to include: it is not determined prior to energy detection whether a control signaling is sent on a control channel candidate.

As an embodiment, the first set of domains indicates part of the configuration information of one set of search spaces.

As an embodiment, the second set of domains indicates part of the configuration information of one set of search spaces.

As an embodiment, only the second domain set of the first and second domain sets is present with an optional domain, each domain of the second domain set being optional.

As an embodiment, the second set of domains further comprises a domain outside the first subset of domains.

As an embodiment, the second set of domains comprises a first subset of domains and a second subset of domains.

As an embodiment, the second set of domains comprises a first subset of domains and a second subset of domains, the second subset of domains comprising at least one domain.

As an embodiment, the second set of domains comprises a first subset of domains and a second subset of domains, the second subset of domains comprising nrofCandidates domains.

As an embodiment, any domain of the first subset of domains does not belong to the second subset of domains.

As an embodiment, the configuration information of one search space set includes at least one of its identity on the cell to which it belongs, the identity of the associated control resource set (Control REsource Set, CORESET), the monitoring period and offset, the duration, the monitoring pattern (pattern), the search space type, or the PDCCH candidate number per CCE aggregation level (aggregation level).

As one embodiment, for one search space set, the searchspace field indicates its identity on the cell to which it belongs, the controlResourceSetId field indicates the identity of the associated control resource set, the monitoringSlotPeriodicityAndOffset field indicates the monitoring period and offset, the duration field indicates the duration, the monitoringsymbolswithslot field indicates the monitoring pattern (pattern), the searchspace type field indicates the search space type, and the nrofCandidates field indicates the number of control channel alternatives per CCE aggregation level (aggregation level).

As an embodiment, the search space type of one set of search spaces is CSS (Common search space, public search space) or USS (UE-specific search space, user equipment specific search space).

As one embodiment, the first subset of domains indicates at least one of an identification of an associated set of control resources, a monitoring period and offset, a duration, a monitoring pattern (pattern), or a search space type.

As one embodiment, the first subset of domains indicates an identification of an associated set of control resources, a monitoring period and offset, a duration, a monitoring pattern (pattern), and a search space type.

As one embodiment, the first domain subset indication includes an identification of an associated set of control resources, a monitoring period and offset, a duration, a monitoring pattern (pattern), and a search space type.

As an embodiment, the second domain subset indicates a control channel alternative number of at least one CCE aggregation level (aggregation level).

As one embodiment, the second domain subset indicates an alternative number of control channels per CCE aggregation level (aggregation level).

As one embodiment, the first set of domains includes a searchspace id domain.

As an embodiment, the first domain subset includes at least one of a control resource id domain, a monitoringSlotPeriodicityAndOffset domain, a duration domain, a monitoringSymbolsWithinSlot domain, or a searchSpaceType domain.

As an embodiment, the first domain subset includes at least a control resource id domain, a monitoringSlotPeriodicityAndOffset domain, a duration domain, a monitoringSymbolsWithinSlot domain, and a searchSpaceType domain.

As an embodiment, the second subset of domains comprises nrofCandidates domains.

As an example, the searchspace field, nrofCandidates field, controlResourceSetId field, monitoringSlotPeriodicityAndOffset field, duration field, monitoringSymbolsWithinSlot field, the specific definition of the searchspace field is see section 6.3.2 of 3gpp TS 38.331.

As one embodiment, one set of search spaces is associated with one set of control resources (Control Resource Set, CORESET).

As one embodiment, a given search space is one search space and a given set of control resources is one set of control resources associated with the given search space, the given set of search spaces being associated with the given set of control resources.

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: any control channel alternative in the given set of search spaces consists of at least one CCE in the given set of control resources.

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: the given set of control resources is used to determine time-frequency resources occupied by the given set of search spaces in a monitoring occasion (Monitoring Occasion).

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: the given set of control resources is used to determine frequency domain resources occupied by the given set of search spaces in a monitoring occasion (Monitoring Occasion).

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: the number of REs occupied by the given set of search spaces in one monitoring occasion (Monitoring Occasion) is equal to the number of REs occupied by the given set of control resources.

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: the RB (Resource Block) occupied by the given search space set in the frequency domain is the RB occupied by the given control Resource set in the frequency domain.

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: the number of RBs occupied by the given search space set in the frequency domain is equal to the number of RBs occupied by the given control resource set in the frequency domain.

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: the frequency domain resources occupied by the given set of search spaces are frequency domain resources occupied by the given set of control resources.

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: the number of symbols occupied by the given set of control resources is used to determine the number of symbols occupied by the given set of search spaces in one detection occasion.

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: the number of symbols occupied by the given set of search spaces in one detection occasion is equal to the number of symbols occupied by the given set of control resources.

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: the configuration information for the given set of search spaces includes an index for the given set of control resources.

As a sub-embodiment of the above embodiment, the phrase "the given set of search spaces is associated with the given set of control resources" means that it includes: the IE configuring the given set of search spaces includes an index of the given set of control resources.

As one embodiment, one of the monitoring opportunities (Monitoring Occasion) includes a period of time.

As an embodiment, one of the monitoring occasions (Monitoring Occasion) comprises at least one symbol.

As an embodiment, one of the monitoring opportunities (Monitoring Occasion) comprises more than one consecutive symbol.

As an embodiment, one of the monitoring occasions (Monitoring Occasion) comprises one slot (slot).

As an embodiment, one of the monitoring occasions (Monitoring Occasion) comprises one sub-slot (sub-slot).

As an embodiment, one of the monitoring occasions (Monitoring Occasion) comprises one subframe (subframe).

As an embodiment, the specific definition of Monitoring Occasion is referred to as 3gpp ts38.213.

As an embodiment, the phrase "occupied frequency domain resource" refers to: occupied subcarriers.

As an embodiment, the phrase "occupied frequency domain resource" refers to: and occupied RB.

As an embodiment, the phrase "occupied time domain resource" refers to: occupied symbols.

As an embodiment, the phrase "occupied time domain resource" refers to: time taken up.

As an embodiment, the phrase "occupied time-frequency resource" refers to: occupied RE.

As an embodiment, the first set of search spaces is on the first cell, or the first set of search spaces is on the second cell, or the first set of search spaces comprises a control channel alternative on the first cell and a control channel alternative on the second cell.

As an embodiment, whether the first set of search spaces comprises control channel alternatives on the first cell relates to whether the second information block comprises at least one domain of the first subset of domains.

As an embodiment, whether the first set of search spaces comprises control channel alternatives on the second cell relates to whether the second information block comprises the first subset of domains.

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture according to one embodiment of the application, as shown in fig. 2.

Fig. 2 illustrates a network architecture 200 of LTE (Long-Term Evolution), LTE-a (Long-Term Evolution enhanced), and future 5G systems. The network architecture 200 of LTE, LTE-a and future 5G systems is referred to as EPS (Evolved Packet System ) 200. The 5GNR or LTE network architecture 200 may be referred to as a 5GS (5G System)/EPS (Evolved Packet System ) 200 or some other suitable terminology. The 5GS/EPS200 may include one or more UEs (User Equipment) 201, one UE241 in Sidelink (Sidelink) communication with the UE201, NG-RAN (next generation radio access network) 202,5GC (5G CoreNetwork)/EPC (EvolvedPacket Core, evolved packet core) 210, hss (Home Subscriber Server )/UDM (UnifiedData Management, unified data management) 220, and internet service 230. The 5GS/EPS200 may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown in fig. 2, the 5GS/EPS200 provides packet switched services, however, those skilled in the art will readily appreciate that the various concepts presented throughout this disclosure may be extended to networks providing circuit switched services. The NG-RAN202 includes an NR (New Radio), node B (gNB) 203 and other gnbs 204. The gNB203 provides user and control plane protocol termination towards the UE 201. The gNB203 may be connected to other gnbs 204 via an Xn interface (e.g., backhaul). The gNB203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic Service Set (BSS), an Extended Service Set (ESS), TRP (transmit-receive point), or some other suitable terminology. The gNB203 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 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 physical network device, a machine-type communication device, a land 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. gNB203 is connected to 5GC/EPC210 through an S1/NG interface. The 5GC/EPC210 includes MME (Mobility ManagementEntity )/AMF (Authentication Management Field, authentication management domain)/SMF (Session ManagementFunction ) 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. The MME/AMF/SMF211 generally 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, internet, intranet, IMS (IP Multimedia Subsystem ) and Packet switching (Packet switching) services.

As an embodiment, the first node in the present application includes the UE201.

As an embodiment, the second node in the present application includes the UE241.

As an embodiment, the second node in the present application includes the gNB203.

Example 3

Embodiment 3 illustrates a schematic diagram of an embodiment of a radio protocol architecture for a user plane and a control plane according to one embodiment of the present application, as shown in fig. 3.

Embodiment 3 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane according to the 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 between a first communication node device (RSU in UE, gNB or V2X) and a second communication node device (RSU in gNB, UE or V2X), or between two UEs, 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 communication node device and the second communication node device, or between two UEs. 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 (PacketData Convergence Protocol ) sublayer 304, which terminate at the second communication node device. The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides security by ciphering the data packets and handover support for the first communication node device between second communication node devices. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out of order reception due to HARQ. The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating the various radio resources (e.g., resource blocks) in one cell among the first communication node devices. The MAC sublayer 302 is also responsible for HARQ operations. The RRC (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 communication node device and the first communication node device. The radio protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer), the radio protocol architecture for the first communication node device and the second communication node device in the user plane 350 is substantially the same for the physical layer 351, PDCP sublayer 354 in the L2 layer 355, RLC sublayer 353 in the L2 layer 355 and 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 DataAdaptationProtocol ) 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 communication 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 radio protocol architecture in fig. 3 is applicable to the first node in the present application.

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

As an embodiment, the first information block is generated in the RRC sublayer 306.

As an embodiment, the second information block is generated in the RRC sublayer 306.

As an embodiment, the monitoring of control channel alternatives in the first set of search spaces for scheduling the first cell is generated at the PHY301, or the PHY351.

As an embodiment, the first signaling is generated in the PHY301, or the PHY351.

As an embodiment, the first signal is generated in the PHY301 or the PHY351.

Example 4

Embodiment 4 illustrates a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application, as shown in fig. 4. Fig. 4 is a block diagram of a first communication device 410 and a second communication device 450 in communication with each other in an access network.

The first communication device 410 includes a controller/processor 475, a memory 476, a receive processor 470, a transmit processor 416, a multi-antenna receive processor 472, a multi-antenna transmit processor 471, a transmitter/receiver 418, and an antenna 420.

The second communication device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter/receiver 454, and an antenna 452.

In the transmission from the first communication device 410 to the second communication device 450, upper layer data packets from the core network are provided to a controller/processor 475 at the first communication device 410. The controller/processor 475 implements the functionality of the L2 layer. In DL, the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocations to the second communication device 450 based on various priority metrics. The controller/processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the second communication device 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., physical layer). The transmit processor 416 performs coding and interleaving to facilitate Forward Error Correction (FEC) at the second communication device 450, as well as constellation mapping based on various modulation schemes, e.g., binary Phase Shift Keying (BPSK), quadrature Phase Shift Keying (QPSK), M-phase shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM). The multi-antenna transmit processor 471 digitally space-precodes the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, to generate one or more parallel streams. A transmit processor 416 then maps each parallel stream to a subcarrier, multiplexes the modulated symbols with a reference signal (e.g., pilot) in the time and/or frequency domain, and then uses an Inverse Fast Fourier Transform (IFFT) to produce a physical channel carrying the time-domain multicarrier symbol stream. The multi-antenna transmit processor 471 then performs transmit analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multicarrier symbol stream provided by the multiple antenna transmit processor 471 to a radio frequency stream and then provides it to a different antenna 420.

In a transmission from the first communication device 410 to the second communication device 450, each receiver 454 receives a signal at the second communication device 450 through its respective antenna 452. Each receiver 454 recovers information modulated onto a radio frequency carrier and converts the radio frequency stream into a baseband multicarrier symbol stream that is provided to a receive processor 456. The receive processor 456 and the multi-antenna receive processor 458 implement various signal processing functions for the L1 layer. A multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454. The receive processor 456 converts the baseband multicarrier symbol stream after receiving the analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT). In the frequency domain, the physical layer data signal and the reference signal are demultiplexed by the receive processor 456, wherein the reference signal is to be used for channel estimation, and the data signal is subjected to multi-antenna detection in the multi-antenna receive processor 458 to recover any parallel streams destined for the second communication device 450. The symbols on each parallel stream are demodulated and recovered in a receive processor 456 and soft decisions are generated. The receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals that were transmitted by the first communication device 410 on the physical channel. The upper layer data and control signals are then provided to the controller/processor 459. The controller/processor 459 implements the functions of the L2 layer. The controller/processor 459 may be associated with a memory 460 that stores program codes and data. Memory 460 may be referred to as a computer-readable medium. In DL, the controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer data packets from the core network. The upper layer packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing. The controller/processor 459 is also responsible for error detection using Acknowledgement (ACK) and/or Negative Acknowledgement (NACK) protocols to support HARQ operations.

In the transmission from the second communication device 450 to the first communication device 410, a data source 467 is used at the second communication device 450 to provide upper layer data packets to a controller/processor 459. Data source 467 represents all protocol layers above the L2 layer. Similar to the transmit function at the first communication device 410 described in DL, the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on radio resource allocations of the first communication device 410, implementing L2 layer functions for the user and control planes. The controller/processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the first communication device 410. The transmit processor 468 performs modulation mapping, channel coding, and digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming, with the multi-antenna transmit processor 457 then modulating the resulting parallel streams into multi-carrier/single-carrier symbol streams, which are analog precoded/beamformed in the multi-antenna transmit processor 457 before being provided to the different antennas 452 via the transmitter 454. Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into a radio frequency symbol stream and provides it to an antenna 452.

In the transmission from the second communication device 450 to the first communication device 410, the function at the first communication device 410 is similar to the receiving function at the second communication device 450 described in the transmission from the first communication device 410 to the second communication device 450. Each receiver 418 receives radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals to baseband signals, and provides the baseband signals to a multi-antenna receive processor 472 and a receive processor 470. The receive processor 470 and the multi-antenna receive processor 472 collectively implement the functions of the L1 layer. The controller/processor 475 implements L2 layer functions. The controller/processor 475 may be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. The controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer data packets from the second communication device 450. Upper layer packets from the controller/processor 475 may be provided to the core network. The controller/processor 475 is also responsible for error detection using an ACK and/or NACK protocol to support HARQ operations.

As an embodiment, the second communication device 450 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The second communication device 450 means at least: receiving a first information block and a second information block; monitoring control channel alternatives of the scheduled first cell in the first search space set; wherein the second information block and the first information block are both for the first cell, the first information block indicating that a scheduling cell of the first cell includes a second cell, the second information block being used to indicate the first set of search spaces; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one domain of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains; when the second information block includes the target domain, the first set of search spaces includes a first set of control channel alternatives and a second set of control channel alternatives, the first set of control channel alternatives being on the first cell and the second set of control channel alternatives being on the second cell; the first search space is aggregated over the first cell when the second information block includes at least one domain of the first subset of domains and the second information block does not include the target domain.

As an embodiment, the second communication device 450 includes: a memory storing a program of computer-readable instructions that, when executed by at least one processor, produce acts comprising: receiving a first information block and a second information block; monitoring control channel alternatives of the scheduled first cell in the first search space set; wherein the second information block and the first information block are both for the first cell, the first information block indicating that a scheduling cell of the first cell includes a second cell, the second information block being used to indicate the first set of search spaces; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one domain of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains; when the second information block includes the target domain, the first set of search spaces includes a first set of control channel alternatives and a second set of control channel alternatives, the first set of control channel alternatives being on the first cell and the second set of control channel alternatives being on the second cell; the first search space is aggregated over the first cell when the second information block includes at least one domain of the first subset of domains and the second information block does not include the target domain.

As one embodiment, the first communication device 410 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The first communication device 410 means at least: transmitting the first information block and the second information block; wherein the second information block and the first information block are both for a first cell, the first information block indicating that a scheduling cell of the first cell includes a second cell, the second information block being used to indicate a first set of search spaces; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one domain of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains; when the second information block includes the target domain, the first set of search spaces includes a first set of control channel alternatives and a second set of control channel alternatives, the first set of control channel alternatives being on the first cell and the second set of control channel alternatives being on the second cell; the first search space is aggregated over the first cell when the second information block includes at least one domain of the first subset of domains and the second information block does not include the target domain.

As one embodiment, the first communication device 410 includes: a memory storing a program of computer-readable instructions that, when executed by at least one processor, produce acts comprising: transmitting the first information block and the second information block; wherein the second information block and the first information block are both for a first cell, the first information block indicating that a scheduling cell of the first cell includes a second cell, the second information block being used to indicate a first set of search spaces; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one domain of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains; when the second information block includes the target domain, the first set of search spaces includes a first set of control channel alternatives and a second set of control channel alternatives, the first set of control channel alternatives being on the first cell and the second set of control channel alternatives being on the second cell; the first search space is aggregated over the first cell when the second information block includes at least one domain of the first subset of domains and the second information block does not include the target domain.

As an embodiment, the first node in the present application includes the second communication device 450.

As an embodiment, the second node in the present application comprises the first communication device 410.

As an example at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459, the memory 460, the data source 467 is used for receiving the first information block and the second information block in the present application.

As an example at least one of the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475, the memory 476 is used for transmitting the first information block and the second information block in the present application.

As an embodiment at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459, the memory 460, the data source 467 is used to monitor the first set of search spaces in the present application for control channel alternatives scheduling the first cell.

As an embodiment at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459, the memory 460, the data source 467 is used for receiving the first signaling in the present application.

As an example, at least one of the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475, the memory 476 is used for transmitting the first signaling in the present application.

As an example, at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459, the memory 460, the data source 467 is used to operate the first signaling in the present application, the operation is reception.

As an embodiment at least one of the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475, the memory 476 is used for performing the first signaling in the present application, the performing being transmitting.

As an example, at least one of the antenna 452, the transmitter 454, the transmit processor 468, the multi-antenna transmit processor 457, the controller/processor 459, the memory 460} is used to operate the first signaling in the present application, the operation is transmission.

As an embodiment at least one of the antenna 420, the receiver 418, the receive processor 470, the multi-antenna receive processor 472, the controller/processor 475, the memory 476 is used for performing the first signaling in the present application, the performing is reception.

Example 5

Embodiment 5 illustrates a flow chart of wireless transmission according to one embodiment of the application, as shown in fig. 5. In fig. 5, the first node U01 and the second node N02 are communication nodes transmitting over the air interface two by two, wherein the steps in the dashed boxes F1 and F2 are optional.

For the followingFirst node U01Receiving a first information block and a second information block in step S5101; monitoring control channel alternatives of the scheduling first cell in the first set of search spaces in step S5102; receiving a first signaling in step S5103; transmitting a first signal on the first cell in step S5104; receiving a first signaling in step S5105; receiving a first signal on the first cell in step S5106;

For the followingSecond node N02Transmitting the first information block and the second information block in step S5201; transmitting a first signaling in step S5202; receiving a first signal on the first cell in step S5203; transmitting a first signaling in step S5204; a first signal is transmitted on the first cell in step S5205.

In embodiment 5, the second information block and the first information block are both for the first cell, the first information block indicating that a scheduling cell of the first cell includes a second cell, the second information block being used to indicate the first set of search spaces; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one domain of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains; when the second information block includes the target domain, the first set of search spaces includes a first set of control channel alternatives and a second set of control channel alternatives, the first set of control channel alternatives being on the first cell and the second set of control channel alternatives being on the second cell; the first search space is aggregated over the first cell when the second information block includes at least one domain of the first subset of domains and the second information block does not include the target domain. The operation is transmitting or the operation is receiving; the execution is receiving or, the execution is transmitting; the first information block indicates a first value; the first signaling occupies one control channel alternative in the first search space set; the first signaling schedules the first signal; when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the second cell, the first signaling includes a first domain, and a value of the first domain in the first signaling is equal to the first numerical value.

As an example, neither of the dashed boxes F1 and F2 is present.

As an example, one and only one of the dashed boxes F1 and F2 is present.

As one embodiment, the operation is transmitting and the performing is receiving; alternatively, the operation is receiving and the performing is transmitting.

As one embodiment, the operation is transmitting and the performing is receiving.

As one embodiment, the operation is receiving and the performing is transmitting.

As an embodiment, the first signaling is physical layer signaling.

As an embodiment, the first signaling is control signaling.

As an embodiment, the first signaling is DCI (DownlinkControl Information) signaling.

As an embodiment, the first signaling is transmitted on a PDCCH (Physical Downlink Control CHannel ).

As an embodiment, the first signaling is DCI signaling and the first signal is PDSCH (Physical Downlink Shared Channel ).

As one embodiment, the first signal comprises PDSCH transmissions.

As an embodiment, the first signal carries a transport block (TB, transportBlock).

As an embodiment, the first signal carries at least one transport block.

As an embodiment, the first signal carries a CBG (Code block group).

As an embodiment, the first signal carries at least one CBG.

As an embodiment, the first signaling comprises scheduling information of the first signal.

As an embodiment, the scheduling information of the first signal includes at least one of occupied time domain resources, occupied frequency domain resources, MCS (Modulation and Coding Scheme ), configuration information of DMRS (DeModulation Reference Signals, demodulation reference signal), HARQ (HybridAutomatic Repeat reQuest ) process number, RV (Redundancy Version, redundancy version), NDI (New Data Indicator, new data indication), transmit antenna port, TCI (Transmission Configuration Indicator, transmission configuration indication) status, SRS (SoundingReferene Signal, sounding reference signal) resource indication or precoding information and layer number.

As an embodiment, the first information block comprises at least one field, one field in the first information block indicating the first value.

As an embodiment, the cif-inpassingcell field in the first information block indicates the first value.

As an embodiment, the first value is a CIF (Carrier IndicatorField, carrier indication field) value.

As an embodiment, the first value is a positive integer.

As an embodiment, the first value is a positive integer from 1 to 7.

As an embodiment, the first domain is a Carrier indicator domain (field).

As an embodiment, the value range of the first domain is 0, 1, …, 7.

As an embodiment, a value of 0 for the first domain indicates self-scheduling, and a positive integer value of non-0 for the first domain indicates cross-carrier scheduling.

As an embodiment, the first field indicates a cell to be scheduled.

As an embodiment, the first field comprises 3 bits.

As an embodiment, "the value of the first field in the first signaling is equal to the first value" indicates that the cell scheduled by the first signaling is the first cell.

For a specific definition of the Carrier indicator domain, see section 7.3.1 of 3gpp TS 38.212, as an example.

Example 6

Embodiment 6 illustrates a schematic diagram of a first cell and a second cell according to one embodiment of the application; as shown in fig. 6.

In embodiment 6, the first cell is a PCell or a PSCell, and the second cell is a serving cell other than the first cell in a first set of cells including at least the first cell and the second cell.

As an embodiment, the first set of cells comprises a plurality of serving cells, and the first cell and the second cell are two serving cells in the first set of cells.

As an embodiment, the first set of cells is an MCG (Master Cell Group, primary cell group) or an SCG (Secondary Cell Group ).

As an embodiment, the first set of cells is MCG, and the first Cell is PCell (Primary Cell).

As an embodiment, the first set of cells is SCG and the first cell is PSCell (Primary Secondary Cell ).

As an embodiment, the second Cell is an SCell (Secondary Cell).

Example 7

Embodiment 7 illustrates a schematic diagram of a first cell and a second cell according to another embodiment of the present application; as shown in fig. 7.

In embodiment 7, the scheduling cell of any serving cell other than the first cell in the first cell set does not include the first cell, the scheduling cell of the second cell includes only the second cell, and the first cell set includes at least the first cell and the second cell.

As an embodiment, the first cell may only be self-scheduling.

As an embodiment, the second cell may be self-scheduling, and the second cell may schedule at least the first cell of the first set of cells across carriers (cross-carriers).

As an embodiment, any serving cell other than the first cell and the second cell in the first set of cells may not schedule the first cell and the second cell.

As an embodiment, in the first set of cells, only the first cell may be self-scheduled and cross-carrier scheduled by the second cell.

Example 8

Embodiment 8 illustrates a schematic diagram of a target domain according to one embodiment of the application; as shown in fig. 8.

In embodiment 8, the second set of domains further includes a reference domain, the reference domain being a domain outside the first subset of domains in the second set of domains; the reference field indicates a number of control channel alternatives on the first cell in the first set of search spaces, and the target field indicates a number of control channel alternatives on the second cell in the first set of search spaces; alternatively, the reference field indicates a number of control channel alternatives on the second cell in the first set of search spaces, and the target field indicates a number of control channel alternatives on the first cell in the first set of search spaces.

As one embodiment, the number of control channel alternatives on the first cell in the first set of search spaces is the number of control channel alternatives per CCE aggregation level on the first cell in the first set of search spaces.

As one embodiment, the number of control channel alternatives on the first cell in the first set of search spaces is the number of control channel alternatives of at least one CCE aggregation level on the first cell in the first set of search spaces.

As one example, the reference domain is the nrofCandidates domain.

As an embodiment, the name of the reference field comprises nrofCandidates.

As an embodiment, the second subset of domains comprises the reference domain.

As an embodiment, the second subset of domains comprises only the reference domain.

As an embodiment, the second subset of domains comprises at least the reference domain.

Example 9

Embodiment 9 illustrates a schematic diagram of a target domain according to another embodiment of the present application; as shown in fig. 9.

In embodiment 9, the target domain indicates that the first set of search spaces includes control channel alternatives on the second cell.

As an embodiment, the target domain and the reference domain are different domains.

Example 10

Embodiment 10 illustrates a schematic diagram of a relationship between a first set of search spaces and a first identity according to one embodiment of the application; as shown in fig. 10.

In embodiment 10, one of the first set of fields included in the second information block indicates a first identity; when the first search space set is on the first cell, an identification of the first search space set on the first cell is equal to the first identification; when the first search space set is on the second cell, the identity of the first search space set on the second cell is equal to the first identity; when the first set of search spaces includes the first set of control channels alternatives and the second set of control channels alternatives, the first set of control channels alternatives belongs to one set of search spaces on the first cell identified by the first identity, and the second set of control channels alternatives belongs to one set of search spaces on the second cell identified by the first identity.

As an embodiment, the one field indicating the first identity in the first field set included in the second information block is a searchspace field.

As an embodiment, the first identification is a non-negative integer.

As one embodiment, the identification of the first set of search spaces on the first cell is used to identify the first set of search spaces on the first cell and the identification of the second set of search spaces on the second cell is used to identify the second set of search spaces on the second cell.

As an embodiment, the meaning of the sentence "the first set of control channel alternatives belongs to one set of search spaces identified by the first identity on the first cell" comprises: the one set of search spaces on the first cell identified by the first identity includes only the first set of control channel alternatives.

As an embodiment, the meaning of the sentence "the first set of control channel alternatives belongs to one set of search spaces identified by the first identity on the first cell" comprises: the one set of search spaces identified by the first identity on the first cell includes at least the first set of control channel alternatives.

As an embodiment, the meaning of the sentence "the first set of control channel alternatives belongs to one set of search spaces identified by the first identity on the first cell" comprises: the one set of search spaces identified by the first identity on the first cell includes the first set of control channel alternatives and at least one control channel alternative other than the first set of control channel alternatives.

As an embodiment, the meaning of the sentence "the second set of control channel alternatives belongs to one set of search spaces identified by the first identity on the second cell" comprises: the one set of search spaces on the second cell identified by the first identity includes only the second set of control channel alternatives.

As an embodiment, the meaning of the sentence "the second set of control channel alternatives belongs to one set of search spaces identified by the first identity on the second cell" comprises: the one set of search spaces identified by the first identity on the second cell includes at least the second set of control channel alternatives.

As an embodiment, the meaning of the sentence "the second set of control channel alternatives belongs to one set of search spaces identified by the first identity on the second cell" comprises: the one set of search spaces identified by the first identity on the second cell includes the second set of control channel alternatives and at least one control channel alternative other than the second set of control channel alternatives.

Example 11

Embodiment 11 illustrates a schematic diagram of a relationship of a second set of search spaces and a first set of search spaces according to one embodiment of the application; as shown in fig. 11.

In embodiment 11, the first receiver receives a third block of information; wherein the third information block is for the second cell, the third information block indicating a second set of search spaces, the second set of search spaces being on the second cell, an identity of the second set of search spaces on the second cell being equal to the first identity; when the first set of search spaces is on the second cell, the second set of search spaces includes the first set of search spaces; when the first set of search spaces includes the first set of control channels alternatives and the second set of control channels alternatives, the second set of search spaces includes the second set of control channels alternatives.

As an embodiment, the third information block includes part or all of the fields of one IE.

As an embodiment, the third information block includes an IE SearchSpace.

As an embodiment, the third information block is carried by higher layer signaling.

As an embodiment, the third information block is carried by RRC signaling.

As an embodiment, the second information block and the third information block each comprise a different IE.

As an embodiment, the second information block and the third information block are two IE searchspaces.

As an embodiment, the second information block and the third information block belong to two IE ServingCellConfig, respectively, the two IE ServingCellConfig are for the first cell and the second cell, respectively.

As an embodiment, the meaning of the sentence "the third information block is for the second cell" includes: the third information block is configured to the second cell.

As an embodiment, the meaning of the sentence "the third information block is for the second cell" includes: the downlinkBWP-ToAddModList field in IE ServingCellConfig for the second cell comprises the third information block.

As an embodiment, the meaning of the sentence "the third information block is for the second cell" includes: one of the fields IE ServingCellConfig for the second cell includes the third information block.

As an embodiment, the third information block indicates configuration information of the second set of search spaces.

As an embodiment, the third information block comprises the first set of domains and at least one domain of the first subset of domains.

As an embodiment, the third information block comprises at least the first set of domains and at least one domain of the first subset of domains.

As an embodiment, the third information block comprises at least one of the first set of domains, a reference domain, and the first subset of domains.

As an embodiment, the meaning of the sentence "the second set of search spaces includes the first set of search spaces" includes: the second set of search spaces includes at least the first set of search spaces.

As an embodiment, the meaning of the sentence "the second set of search spaces includes the first set of search spaces" includes: the second set of search spaces includes only the first set of search spaces.

As an embodiment, the meaning of the sentence "the second set of search spaces includes the first set of search spaces" includes: the second set of search spaces includes the first set of search spaces and at least one control channel candidate outside of the first set of search spaces.

As an embodiment, the meaning of the sentence "the second set of search spaces includes the second set of control channel alternatives" includes: the second set of search spaces includes at least the second set of control channel alternatives.

As an embodiment, the meaning of the sentence "the second set of search spaces includes the second set of control channel alternatives" includes: the second set of search spaces includes only the second set of control channel alternatives.

As an embodiment, the meaning of the sentence "the second set of search spaces includes the second set of control channel alternatives" includes: the second set of search spaces includes the second set of control channel alternatives and at least one control channel alternative outside of the second set of control channel alternatives.

Example 12

Embodiment 12 illustrates a schematic diagram of a first domain in a first signaling according to an embodiment of the present application; as shown in fig. 12.

In embodiment 12, the first signaling includes a first domain; when the one control channel in the first search space set occupied by the first signaling is alternatively on the first cell, the value of the first domain in the first signaling is equal to 0, or the first domain in the first signaling is ignored; when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the second cell, the value of the first field in the first signaling is equal to the first value.

As an embodiment, the first signaling comprises a first domain, and the interpretation for the first domain in the first signaling and the one control channel alternative in the first set of search spaces occupied by the first signaling is on the first cell or on the second cell.

As an embodiment, the first signaling includes a first domain; when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the first cell, the value of the first field in the first signaling is equal to 0; when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the second cell, the value of the first field in the first signaling is equal to the first value.

As an embodiment, when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the first cell, the first domain in the first signaling is ignored; when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the second cell, the first signaling includes a first domain, and a value of the first domain in the first signaling is equal to the first numerical value.

As an embodiment, the meaning of the sentence "the first domain in the first signaling is ignored" includes: the value of the first field in the first signaling is ignored.

As an embodiment, the meaning of the sentence "the first domain in the first signaling is ignored" includes: the first domain in the first signaling is reserved.

As an embodiment, the meaning of the sentence "the value of the first field in the first signaling is ignored" includes: the value of the first field in the first signaling is not used to determine the first signal.

As an embodiment, the meaning of the sentence "the value of the first field in the first signaling is ignored" includes: the value of the first field in the first signaling is not used to determine a serving cell in which the first signal is located.

Example 13

Embodiment 13 illustrates a schematic diagram of a first domain in a first signaling according to another embodiment of the present application; as shown in fig. 13.

In embodiment 13, whether the first signaling includes whether the first domain is related to a control channel alternative occupied by the first signaling on the first cell or on the second cell; when a control channel occupied by the first signaling is alternatively located on the first cell, the first signaling does not include the first domain; when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the second cell, the first signaling includes a first domain, and a value of the first domain in the first signaling is equal to the first numerical value.

Example 14

Embodiment 14 illustrates a block diagram of a processing apparatus for use in a first node device according to an embodiment of the present application; as shown in fig. 14. In fig. 14, the processing means 1200 in the first node device comprises a first receiver 1201; wherein the first transceiver 1202 is optional.

As an embodiment, the first node device is a user equipment.

As an embodiment, the first node device is a relay node device.

As an example, the first receiver 1201 includes at least one of { antenna 452, receiver 454, receive processor 456, multi-antenna receive processor 458, controller/processor 459, memory 460, data source 467} in example 4.

As an example, the first transceiver 1202 includes at least one of { antenna 452, receiver/transmitter 454, receive processor 456, multi-antenna receive processor 458, transmit processor 468, multi-antenna transmit processor 457, controller/processor 459, memory 460, data source 467} in example 4.

First receiver 1201: receiving a first information block and a second information block; monitoring control channel alternatives of the scheduled first cell in the first search space set;

in embodiment 14, the second information block and the first information block are both for the first cell, the first information block indicating that a scheduling cell of the first cell includes a second cell, the second information block being used to indicate the first set of search spaces; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one domain of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains; when the second information block includes the target domain, the first set of search spaces includes a first set of control channel alternatives and a second set of control channel alternatives, the first set of control channel alternatives being on the first cell and the second set of control channel alternatives being on the second cell; the first search space is aggregated over the first cell when the second information block includes at least one domain of the first subset of domains and the second information block does not include the target domain.

As an embodiment, the first cell is a PCell or a PSCell, and the second cell is a serving cell other than the first cell in a first set of cells, the first set of cells including at least the first cell and the second cell.

As an embodiment, the second set of domains further comprises a reference domain, the reference domain being a domain outside the first subset of domains in the second set of domains; the reference field indicates a number of control channel alternatives on the first cell in the first set of search spaces, and the target field indicates a number of control channel alternatives on the second cell in the first set of search spaces; alternatively, the reference field indicates a number of control channel alternatives on the second cell in the first set of search spaces, and the target field indicates a number of control channel alternatives on the first cell in the first set of search spaces.

As an embodiment, the target domain indicates that the first set of search spaces includes control channel alternatives on the second cell.

As an embodiment, one field of the first set of fields included in the second information block indicates a first identity; when the first search space set is on the first cell, an identification of the first search space set on the first cell is equal to the first identification; when the first search space set is on the second cell, the identity of the first search space set on the second cell is equal to the first identity; when the first set of search spaces includes the first set of control channels alternatives and the second set of control channels alternatives, the first set of control channels alternatives belongs to one set of search spaces on the first cell identified by the first identity, and the second set of control channels alternatives belongs to one set of search spaces on the second cell identified by the first identity.

As one embodiment, it comprises:

the first receiver 1201 receives a first signaling;

a first transceiver 1202 operating on the first cell with a first signal;

As an embodiment, when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the first cell, the value of the first domain in the first signaling is equal to 0, or the first domain in the first signaling is ignored.

As an embodiment, whether the first signaling includes a control channel alternative occupied by the first domain with the first signaling is on the first cell or on the second cell; when a control channel occupied by the first signaling is alternatively on the first cell, the first signaling does not include the first domain.

Example 15

Embodiment 15 illustrates a block diagram of a processing apparatus for use in a second node device according to an embodiment of the present application; as shown in fig. 15. In fig. 15, the processing means 1300 in the second node device comprises a second transmitter 1301; wherein the second transceiver 1302 is optional.

As an embodiment, the second node device is a base station device.

As an embodiment, the second node device is a user equipment.

As an embodiment, the second node device is a relay node device.

As an example, the second transmitter 1301 includes at least one of { antenna 420, transmitter 418, transmit processor 416, multi-antenna transmit processor 471, controller/processor 475, memory 476} in example 4.

As an example, the second transceiver 1302 includes at least one of { antenna 420, transmitter/receiver 418, transmit processor 416, multi-antenna transmit processor 471, receive processor 470, multi-antenna receive processor 472, controller/processor 475, memory 476} of example 4.

A second transmitter 1301: transmitting the first information block and the second information block;

In embodiment 15, the second information block and the first information block are both for a first cell, the first information block indicating that a scheduling cell of the first cell includes a second cell, the second information block being used to indicate a first set of search spaces; the second information block includes at least the first domain set of a first domain set and a second domain set, the second domain set including a first subset of domains; the first search space is aggregated on the second cell when the second information block does not include the first subset of domains; when the second information block includes at least one domain of the first subset of domains, whether the second information block includes a target domain is used to determine whether a first set of search spaces includes control channel alternatives on the second cell, the target domain belonging to the first subset of domains; when the second information block includes the target domain, the first set of search spaces includes a first set of control channel alternatives and a second set of control channel alternatives, the first set of control channel alternatives being on the first cell and the second set of control channel alternatives being on the second cell; the first search space is aggregated over the first cell when the second information block includes at least one domain of the first subset of domains and the second information block does not include the target domain.

As one embodiment, it comprises:

the second transmitter 1301 transmits a first signaling;

a second transceiver 1302 that performs a first signal on the first cell;

Those of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described methods may be implemented by a program that instructs associated hardware, and the program may be stored on a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented using one or more integrated circuits. Accordingly, each module unit in the above embodiment may be implemented in a hardware form or may be implemented in a software functional module form, and the present application is not limited to any specific combination of software and hardware. The user equipment, the terminal and the UE in the application comprise, but are not limited to, unmanned aerial vehicles, communication modules on unmanned aerial vehicles, remote control airplanes, aircrafts, mini-planes, mobile phones, tablet computers, notebooks, vehicle-mounted communication equipment, wireless sensors, network cards, internet of things terminals, RFID terminals, NB-IOT terminals, MTC (Machine Type Communication ) terminals, eMTC (enhanced MTC) terminals, data cards, network cards, vehicle-mounted communication equipment, low-cost mobile phones, low-cost tablet computers and other wireless communication equipment. The base station or system device in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, a gNB (NR node B) NR node B, a TRP (Transmitter Receiver Point, transmitting/receiving node), and other wireless communication devices.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

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

2. The first node device of claim 1, wherein the second set of domains further comprises a reference domain, the reference domain being a domain outside of the first subset of domains in the second set of domains; the reference field indicates a number of control channel alternatives on the first cell in the first set of search spaces, and the target field indicates a number of control channel alternatives on the second cell in the first set of search spaces; alternatively, the reference field indicates a number of control channel alternatives on the second cell in the first set of search spaces, and the target field indicates a number of control channel alternatives on the first cell in the first set of search spaces.

3. The first node device of claim 1, wherein the target domain indicates that the first set of search spaces includes control channel alternatives on the second cell.

4. A first node device according to any of claims 1-3, characterized in that one of the first set of domains comprised by the second information block indicates a first identity; when the first search space set is on the first cell, an identification of the first search space set on the first cell is equal to the first identification; when the first search space set is on the second cell, the identity of the first search space set on the second cell is equal to the first identity; when the first set of search spaces includes the first set of control channels alternatives and the second set of control channels alternatives, the first set of control channels alternatives belongs to one set of search spaces on the first cell identified by the first identity, and the second set of control channels alternatives belongs to one set of search spaces on the second cell identified by the first identity.

5. The first node device according to any of claims 1 to 4, comprising:

the first receiver receives a first signaling;

a first transceiver operating on a first signal on the first cell;

6. The first node device of claim 5, wherein a value of the first domain in the first signaling is equal to 0 or the first domain in the first signaling is ignored when the one control channel in the first set of search spaces occupied by the first signaling is alternatively on the first cell.

7. The first node device of claim 5, wherein the first signaling includes whether the first domain is related to whether a control channel alternative occupied by the first signaling is on the first cell or the second cell; when a control channel occupied by the first signaling is alternatively on the first cell, the first signaling does not include the first domain.

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

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

receiving a first information block and a second information block;

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

transmitting the first information block and the second information block;