WO2023098549A1 - 一种被用于无线通信的节点中的方法和装置 - Google Patents
一种被用于无线通信的节点中的方法和装置 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H04W56/00—Synchronisation arrangements
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- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
Definitions
- the present application relates to a transmission method and device in a wireless communication system, especially a wireless signal transmission method and device in a wireless communication system supporting a cellular network.
- LTE Long-term Evolution, long-term evolution
- traditional network-controlled mobility includes cell level mobility (cell level) and beam level mobility (beam level), where the cell level Mobility depends on RRC (Radio Resource Control, radio resource control) signaling, and beam-level mobility does not involve RRC signaling.
- RRC Radio Resource Control, radio resource control
- beam-level mobility does not involve RRC signaling.
- 3GPP the 3rd Generation Partnership Project, third generation partnership project
- R Release, version
- the SSB SS/PBCH Block, synchronization signal/physical broadcast channel block index is used to determine the corresponding The time-domain resources occupied by the CSS (Common Search Space, public search space) collection (set).
- Associating a CSS set with an SSB of the serving cell can improve the efficiency of UE (User Equipment, user equipment) performing blind decoding (Blind Decoding) for PDCCH (Physical Downlink Control CHannel, physical downlink control channel).
- UE User Equipment
- PDCCH Physical Downlink Control CHannel, physical downlink control channel
- the present application discloses a solution. It should be noted that although the above description uses a cellular network or CSS as an example, this application is also applicable to other scenarios such as sidelink (Sidelink) transmission or USS (UE specific Search Space, UE specific search space), and achieve similar Technical effect in CSS of cellular network. In addition, adopting a unified solution for different scenarios (including but not limited to cellular network and secondary link transmission) also helps to reduce hardware complexity and cost.
- the embodiments and the features of the embodiments in the first node of the present application can be applied to the second node, and vice versa. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.
- the present application discloses a method used in a first node of wireless communication, which is characterized in that it includes:
- the first signaling indicating that Q SSBs are sent, the Q SSBs correspond to Q SSB indexes respectively, and the Q SSB indexes are respectively used to determine Q time domain resource, the Q is a positive integer greater than 1; the first time domain resource is determined according to at least a first integer, and candidates for the first time domain resource form a first time domain resource pool; in the first time domain Monitoring downlink control signaling in resources;
- the first integer is one of the Q SSB indexes
- the first time domain resource belongs to a time domain resource in the first time domain resource pool
- the first time domain resource pool is One of the first candidate pool and the second candidate pool
- the first candidate pool includes Q1 time domain resources
- the second candidate pool includes Q2 time domain resources
- Any time-domain resource is one of the Q time-domain resources, at least one of the Q1 time-domain resources does not belong to the Q2 time-domain resources
- the Q2 time-domain resources are the A proper subset of the Q time-domain resources
- the second signaling is used to determine the Q2 time-domain resources
- the Q SSBs are associated with a first PCI (Physical Cell Identifier, physical cell identifier).
- the Q SSB indexes are respectively used to determine that the technical characteristics of the Q time domain resources maintain compatibility with the existing system; the first time domain resource pool is the first candidate pool and The technical characteristics of one of the two second candidate pools provide flexibility in resource allocation; therefore, the above method strikes a balance between compatibility and flexibility.
- each of the Q time domain resources includes at least one PDCCH monitoring occasion (monitoring occasion).
- each of the Q time domain resources includes at least one multi-carrier symbol.
- each of the Q time domain resources includes at least one time slot.
- the multi-carrier symbol is an OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) symbol.
- the multi-carrier symbols are DFT-S-OFDM (Discrete Fourier Transform Spread Orthogonal Frequency Division Multiplexing) symbols.
- the second signaling indicates Q2 SSB indexes among the Q SSB indexes, and the Q2 SSB indexes are respectively used to determine the Q2 time Domain resources.
- the above method maintains better compatibility with existing systems.
- the first time domain resource is a time domain resource in the first time domain resource pool.
- any one of the Q2 time domain resources is one of the Q time domain resources.
- any two SSB indexes in the Q2 SSB indexes are different.
- the SSBs corresponding to the Q2 SSB indexes are considered not to be actually sent.
- the above method can provide greater scheduling flexibility.
- the above method improves the efficiency of UE performing blind decoding.
- the second signaling is used to indicate that the SSBs corresponding to the Q2 SSB indices have not been actually sent.
- the second signaling is used to indicate to give up using the SSBs corresponding to the Q2 SSB indexes to perform cell search.
- the SSBs corresponding to the Q2 SSB indices are considered to be actually transmitted.
- the legacy UE cannot recognize the second signaling.
- the legacy UE includes at least a UE supporting 3GPP Release 15 and a UE supporting 3GPP Release 16.
- the legacy UE includes a 3GPP Release 17 UE.
- the Q time domain resources include a corresponding time domain resource; the second signaling is used to indicate said any one time domain resource from said one corresponding time domain resource.
- the above method can implement resource scheduling with a smaller granularity, further improving scheduling flexibility.
- the Q time domain resources respectively accommodate Q CSS (Common search space, public search space) collection (set) groups, and the Q CSS collection groups in the Q Each CSS set group includes at least one CSS set.
- Q CSS Common search space, public search space
- the first receiver receives third signaling, where the third signaling is used to determine whether the first time domain resource pool is a first candidate pool or a second candidate pool.
- the above method allows flexible configuration of the first time domain resource pool, further improving scheduling flexibility.
- the first time domain resource pool is the first candidate pool or the second candidate pool is related to the first RNTI (Radio Network Temporary Identifier, wireless network tentative identifier),
- the downlink control signaling is identified by the first RNTI.
- the first time domain resource pool is the first candidate pool or the second candidate pool is related to the CORESET (COntrol REsource SET, control resource set) that accommodates the downlink control signaling )related.
- CORESET COntrol REsource SET, control resource set
- any one of the above two aspects reduces signaling overhead or time delay for configuring the first time domain resource pool, and improves transmission efficiency.
- the present application discloses a method used in a second node of wireless communication, which is characterized in that it includes:
- the first signaling indicates that Q SSBs are sent, the Q SSBs correspond to Q SSB indexes respectively, and the Q SSB indexes are respectively used to determine Q Domain resources, the Q is a positive integer greater than 1;
- At least a first integer is used to determine a first time domain resource, and candidates for the first time domain resource form a first time domain resource pool; the first time domain resource is reserved for downlink control signaling;
- the first integer is one of the Q SSB indexes, the first time domain resource belongs to a time domain resource in the first time domain resource pool, and the first time domain resource pool is the first One of the candidate pool and the second candidate pool;
- the first candidate pool includes Q1 time domain resources, and the second candidate pool includes Q2 time domain resources; any one of the Q1 time domain resources
- the domain resource is one of the Q time domain resources, at least one of the Q1 time domain resources does not belong to the Q2 time domain resources;
- the Q2 time domain resources are the Q A proper subset of time domain resources;
- the second signaling is used to determine the Q2 time domain resources;
- the Q SSBs are associated to the first PCI.
- the present application discloses a first node used for wireless communication, which is characterized in that it includes:
- the first receiver receives first signaling and second signaling, the first signaling indicates that Q SSBs are sent, the Q SSBs respectively correspond to Q SSB indexes, and the Q SSB indexes are respectively used
- the Q is a positive integer greater than 1; determining the first time-domain resource according to at least a first integer, and candidates for the first time-domain resource form a first time-domain resource pool; Monitoring downlink control signaling in the first time domain resource;
- the first integer is one of the Q SSB indexes
- the first time domain resource belongs to a time domain resource in the first time domain resource pool
- the first time domain resource pool is One of the first candidate pool and the second candidate pool
- the first candidate pool includes Q1 time domain resources
- the second candidate pool includes Q2 time domain resources
- Any time-domain resource is one of the Q time-domain resources, at least one of the Q1 time-domain resources does not belong to the Q2 time-domain resources
- the Q2 time-domain resources are the A proper subset of the Q time domain resources
- the second signaling is used to determine the Q2 time domain resources
- the Q SSBs are associated to the first PCI.
- the present application discloses a second node used for wireless communication, which is characterized in that it includes:
- the first transmitter sends first signaling and second signaling, the first signaling indicates that Q SSBs are sent, the Q SSBs correspond to Q SSB indexes respectively, and the Q SSB indexes are respectively used For determining Q time-domain resources, the Q is a positive integer greater than 1;
- At least a first integer is used to determine a first time domain resource, and candidates for the first time domain resource form a first time domain resource pool; the first time domain resource is reserved for downlink control signaling;
- the first integer is one of the Q SSB indexes, the first time domain resource belongs to a time domain resource in the first time domain resource pool, and the first time domain resource pool is the first One of the candidate pool and the second candidate pool;
- the first candidate pool includes Q1 time domain resources, and the second candidate pool includes Q2 time domain resources; any one of the Q1 time domain resources
- the domain resource is one of the Q time domain resources, at least one of the Q1 time domain resources does not belong to the Q2 time domain resources;
- the Q2 time domain resources are the Q A proper subset of time domain resources;
- the second signaling is used to determine the Q2 time domain resources;
- the Q SSBs are associated to the first PCI.
- this application has the following advantages:
- FIG. 1 shows a flow chart of monitoring downlink control signaling according to an embodiment of the present application
- FIG. 2 shows a schematic diagram of a network architecture according to an embodiment of the present application
- FIG. 3 shows a schematic diagram of an embodiment of a wireless protocol architecture of a user plane and a control plane according to an embodiment of the present application
- Fig. 4 shows a schematic diagram of a first communication device and a second communication device according to an embodiment of the present application
- Figure 5 shows a flow chart of transmission according to one embodiment of the present application
- FIG. 6 shows a schematic diagram of communication between a first node and a first cell and a second cell according to an embodiment of the present application
- FIG. 7 shows a schematic diagram of a first time-domain resource pool according to an embodiment of the present application.
- FIG. 8 shows a schematic diagram of a cell coverage status of a first node according to an embodiment of the present application
- FIG. 9 shows a schematic diagram of transmitting backhaul signaling between a first node and a second node according to an embodiment of the present application.
- FIG. 10 shows a structural block diagram of a processing device used in a first node according to an embodiment of the present application
- Fig. 11 shows a structural block diagram of a processing device used in a second node according to an embodiment of the present application.
- Embodiment 1 illustrates a flow chart of monitoring downlink control signaling according to an embodiment of the present application, as shown in FIG. 1 .
- each box represents a step.
- the first node 100 receives the first signaling and the second signaling in step 101, the first signaling indicates that Q SSBs are sent, the Q SSBs respectively correspond to the Q SSB indexes, and the Q SSB indexes They are respectively used to determine Q time-domain resources, and the Q is a positive integer greater than 1; in step 102, the first time-domain resource is determined according to at least the first integer, and the candidates of the first time-domain resource form the first A time domain resource pool; in step 103, monitor downlink control signaling in the first time domain resource;
- the first integer is one of the Q SSB indexes, the first time domain resource belongs to a time domain resource in the first time domain resource pool, and the first time domain resource
- the resource pool is one of the first candidate pool and the second candidate pool; the first candidate pool includes Q1 time domain resources, and the second candidate pool includes Q2 time domain resources; the Q1 time domain resources Any time-domain resource in the resources is one of the Q time-domain resources, and at least one of the Q1 time-domain resources does not belong to the Q2 time-domain resources; the Q2 time-domain resources is a proper subset of the Q time domain resources; the second signaling is used to determine the Q2 time domain resources; the Q SSBs are associated to the first PCI.
- the first signaling is broadcast, and the downlink control signaling is physical layer signaling.
- the first signaling is RRC signaling.
- the first signaling is SIB (System Information Block, system information block) 1.
- the first signaling is an ssb-PositionsInBurst field (field).
- the second signaling is generated at an RRC (Radio Resource Control, radio resource control) layer.
- RRC Radio Resource Control, radio resource control
- the second signaling is a MAC (Medium Access Control, medium access control) CE (Control Element, control unit).
- MAC Medium Access Control, medium access control
- CE Control Element, control unit
- the second signaling is a DCI (Downlink Control Information, downlink control information).
- DCI Downlink Control Information, downlink control information
- the second signaling indicates at least one TCI (Transmission Configuration Indicator, transmission configuration indication) status (state).
- TCI Transmission Configuration Indicator, transmission configuration indication
- the Q SSB indexes are 1, 2, ..., Q respectively.
- the Q SSB indexes are respectively 0, 1, ..., Q-1.
- the first signaling includes a bit map, and the Q bits in the bit map respectively indicate that the Q SSBs are to be sent; the Q SSBs are sequentially arranged according to the positions of the Q bits Corresponding to the Q SSB indexes.
- each of the Q time domain resources includes at least one PDCCH monitoring occasion (monitoring occasion).
- the downlink control signaling is DCI.
- the Q2 is smaller than the Q, and any time domain resource in the Q2 time domain resources is one of the Q time domain resources.
- the Q1 is smaller than the Q, and any time-domain resource in the Q1 time-domain resources is one of the Q time-domain resources.
- any time-domain resource in the Q1 time-domain resources does not belong to the Q2 time-domain resources.
- the Q time-domain resources are composed of the Q1 time-domain resources and the Q2 time-domain resources.
- the second signaling indicates the Q1 time-domain resources from the Q time-domain resources in a bitmap manner.
- the second signaling includes Q bits, and the Q bits respectively indicate whether one of the Q time-domain resources belongs to the Q1 time-domain resources .
- At least one time domain resource among the Q2 time domain resources is a proper subset of one time domain resource among the Q time domain resources.
- the cell identified by the first PCI is not the serving cell of the first node, and the second PCI is used to identify a serving cell of the first node.
- the cell identified by the first PCI is not configured with a ServCellIndex, and the second PCI is used to identify a serving cell of the first node.
- the TDD-UL-DL-ConfigCommon IE (Information Element, Information Element) sent on the serving cell identified by the second PCI is used to determine the Q1 time domain resources.
- the above sub-embodiments can avoid cross-link (Cross-link) interference between cells and improve transmission efficiency.
- any symbol configured as uplink in the TDD-UL-DL-ConfigCommon IE does not belong to the Q1 time domain resources.
- any PDCCH monitoring opportunity in the Q time domain resources if there is overlap with any symbol configured as uplink in the TDD-UL-DL-ConfigCommon IE, any PDCCH The monitoring opportunity does not belong to the Q1 time domain resources.
- the above method is beneficial for the first node to receive downlink control signaling through the cell identified by the second PCI, while keeping the serving cell unchanged.
- the above method is beneficial for the first node to receive downlink control signaling through the cell identified by the first PCI, while keeping the serving cell unchanged, and realizing inter-cell mobility (mobility) on a lower protocol layer.
- the Q2 is equal to the Q.
- the Q1 is equal to the Q
- the Q1 time-domain resources are the Q time-domain resources.
- At least one of the Q1 time-domain resources includes an OFDM symbol that does not belong to the Q2 time-domain resources.
- the second signaling indicates the Q1 time-domain resources from at least one of the Q time-domain resources in a bitmap manner.
- the second signaling includes L bits, and the L bits respectively indicate whether the L PDCCH monitoring opportunities in one of the Q time-domain resources belong to A time domain resource in the Q1 time domain resources.
- the second signaling indicates that at least one search space is associated with the first PCI, and the behavior monitoring downlink control signaling is executed in the at least one search space.
- the behavior monitoring downlink control signaling includes judging whether the downlink control signaling is detected according to a CRC (Cyclic Redundancy Check, cyclic redundancy check).
- CRC Cyclic Redundancy Check, cyclic redundancy check
- the behavior monitoring downlink control signaling includes judging whether the downlink control signaling is sent according to a CRC (Cyclic Redundancy Check, cyclic redundancy check).
- CRC Cyclic Redundancy Check, cyclic redundancy check
- the behavior monitoring downlink control signaling includes judging whether the downlink control signaling is detected according to energy detection.
- the behavior monitoring downlink control signaling includes judging whether the downlink control signaling is detected according to the interference detection of DMRS (DeModulation Reference Signal, demodulation reference signal).
- DMRS Demodulation Reference Signal, demodulation reference signal
- the first time domain resource is a time domain resource in the first time domain resource pool.
- the first time domain resource is a part of a time domain resource in the first time domain resource pool.
- the second signaling indicates the Q2 time domain resources from the Q time domain resources.
- candidates for the first time-domain resource form the first time-domain resource pool.
- the first time domain resource is determined from the first time domain resource pool according to at least a first integer.
- the cell identified by the first PCI and the cell identified by the second PCI are maintained by the same base station.
- Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in FIG. 2 .
- LTE Long-Term Evolution, long-term evolution
- LTE-A Long-Term Evolution Advanced, enhanced long-term evolution
- EPS Evolved Packet System
- 5GS 5G System
- EPS Evolved Packet System, Evolved Packet System
- 5GS/EPS 200 may include one or more UEs (User Equipment, user equipment) 201, a UE241 for Sidelink communication with UE201, NG-RAN (Next Generation Radio Access Network) 202, 5GC (5G CoreNetwork, 5G Core Network)/EPC (Evolved Packet Core, Evolved Packet Core) 210, HSS (Home Subscriber Server, Home Subscriber Server)/UDM (Unified Data Management, Unified Data Management) 220 and Internet Service 230.
- 5GS/EPS200 May be interconnected with other access networks, but these entities/interfaces are not shown for simplicity.
- NG-RAN202 includes NR (New Radio, new radio) node B (gNB) 203 and other gNB204.
- the gNB 203 provides user and control plane protocol termination towards the UE 201 .
- a gNB 203 may connect to other gNBs 204 via an Xn interface (eg, backhaul).
- a gNB 203 may also be called a base station, base transceiver station, radio base station, radio transceiver, transceiver function, Basic Service Set (BSS), Extended Service Set (ESS), TRP (Transmit Receive Point) or some other suitable terminology.
- BSS Basic Service Set
- ESS Extended Service Set
- TRP Transmit Receive Point
- the gNB203 provides an access point to the 5GC/EPC210 for the UE201.
- UE 201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, global positioning systems, multimedia devices, video devices, digital audio players ( For example, MP3 players), cameras, game consoles, drones, aircraft, narrowband physical network devices, machine type communication devices, land vehicles, automobiles, wearable devices, or any other similarly functional device.
- UE 201 may also refer to UE 201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term.
- gNB203 is connected to 5GC/EPC210 through S1/NG interface.
- 5GC/EPC210 includes MME (Mobility Management Entity, mobility management entity)/AMF (Authentication Management Field, authentication management domain)/SMF (Session Management Function, session management function) 211.
- MME Mobility Management Entity
- AMF Authentication Management Field, authentication management domain
- Session Management Function Session Management Function, session management function
- MME/AMF/SMF214 S-GW (Service Gateway, service gateway)/UPF (User Plane Function, user plane function) 212, and P-GW (Packet Date Network Gateway, packet data network gateway)/UPF213.
- MME/AMF/SMF211 is a control node that handles signaling between UE201 and 5GC/EPC210. In general the MME/AMF/SMF 211 provides bearer and connection management. All user IP (Internet Protocol, Internet Protocol) packets are transmitted through S-GW/UPF212, and S-GW/UPF212 itself is connected to P-GW/UPF213. P-GW provides UE IP address allocation and other functions.
- P-GW/UPF 213 connects to Internet service 230 .
- the Internet service 230 includes the Internet protocol service corresponding to the operator, and may specifically include Internet, Intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) and packet switching (Packet switching) services.
- the first node in this application includes the UE201.
- the second node in this application includes the gNB203.
- the third node in this application includes the gNB203.
- both the cell identified by the first PCI and the cell identified by the second PCI in this application are maintained by the gNB203.
- the wireless link between the UE201 and the gNB203 is a cellular network link.
- the sender of the first signaling and the second signaling includes the gNB203.
- the sender of the downlink control signaling includes the gNB204.
- the UE 201 supports inter-cell mobility centered on L1/L2.
- the UE 201 supports multiple TRPs between cells.
- the gNB203 supports inter-cell mobility centered on L1/L2.
- the gNB203 supports multiple TRPs (Transmit/Receive Points, sending/receiving points) between cells.
- TRPs Transmit/Receive Points, sending/receiving points
- the gNB203 supports full duplex (Full Duplex Division).
- Embodiment 3 illustrates 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 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 present application, as shown in FIG. 3 .
- FIG. 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for the user plane 350 and the control plane 300.
- FIG. 3 shows three layers for the first communication node device (UE, gNB or RSU in V2X) and the second The radio protocol architecture of the control plane 300 between communication node devices (gNB, UE or RSU in V2X), or between two UEs: 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 PHY 301 .
- Layer 2 (L2 layer) 305 is above the PHY 301 and is responsible for the link between the first communication node device and the second communication node device, or between two UEs.
- L2 layer 305 includes MAC (Medium Access Control, Media Access Control) sublayer 302, RLC (Radio Link Control, radio link layer control protocol) sublayer 303 and PDCP (Packet Data Convergence Protocol, packet data convergence protocol) sublayer 304. These sublayers are terminated 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 encrypting data packets, and provides handover support for the first communication node device between the second communication node devices.
- the RLC sublayer 303 provides segmentation and reassembly of upper layer packets, retransmission of lost packets, and reordering of 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 various radio resources (eg, resource blocks) in a cell among the first communication node devices.
- the MAC sublayer 302 is also responsible for HARQ operations.
- the RRC (Radio Resource Control, radio resource control) sublayer 306 in layer 3 (L3 layer) in the control plane 300 is responsible for obtaining radio resources (that is, radio bearers) and using the connection between the second communication node device and the first communication node device Inter- RRC signaling to configure the lower layer.
- radio resources that is, radio bearers
- 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 for the physical layer 351, L2
- the PDCP sublayer 354 in the layer 355, the RLC sublayer 353 in the L2 layer 355, and the MAC sublayer 352 in the L2 layer 355 are substantially the same as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also Provides header compression for upper layer packets to reduce radio transmission overhead.
- the L2 layer 355 in the user plane 350 also includes a SDAP (Service Data Adaptation Protocol, Service Data Adaptation Protocol) sublayer 356, and the SDAP sublayer 356 is responsible for the mapping between the QoS flow and the data radio bearer (DRB, Data Radio Bearer) , to support business diversity.
- the first communication node device may have several upper layers above the L2 layer 355, including a network layer (e.g., IP layer) terminating at the P-GW on the network side and another layer terminating at the connection.
- Application layer at one end eg, remote UE, server, etc.).
- the wireless protocol architecture in Fig. 3 is applicable to the first node in this application.
- the wireless protocol architecture in Fig. 3 is applicable to the second node in this application.
- the first signaling is generated in the RRC sublayer 306
- the downlink control signaling is generated in the PHY 301 .
- the second signaling is generated in the PHY sublayer 306 .
- the second signaling is generated in the MAC sublayer 302 .
- the second signaling is generated by the PHY301.
- the third signaling is generated in the MAC sublayer 302 .
- the third signaling is generated by the PHY301.
- 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 communicating 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 antenna 452 .
- Controller/processor 475 implements the functionality of the L2 layer.
- the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and routing to the second communication device 450 based on various priority metrics. Radio resource allocation.
- 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 (ie, physical layer).
- the transmit processor 416 implements encoding and interleaving to facilitate forward error correction (FEC) at the second communication device 450, and 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)) constellation mapping.
- 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)
- BPSK binary phase shift keying
- QPSK quadrature phase shift keying
- M-PSK M Phase Shift Keying
- M-QAM M Quadrature Amplitude Modulation
- the multi-antenna transmit processor 471 performs digital spatial precoding on the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding,
- the transmit processor 416 then maps each parallel stream to subcarriers, multiplexes the modulated symbols with reference signals (e.g., pilots) in the time and/or frequency domains, and then uses an inverse fast Fourier transform (IFFT) to ) to generate a physical channel carrying a stream of time-domain multi-carrier symbols. Then the multi-antenna transmit processor 471 performs a transmit analog precoding/beamforming operation on the time-domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 471 into an RF stream, which is then provided to a different antenna 420 .
- IFFT inverse fast Fourier transform
- each receiver 454 receives a signal via its respective antenna 452 .
- Each receiver 454 recovers the information modulated onto an RF carrier and converts the RF stream to a baseband multi-carrier symbol stream that is provided to a receive processor 456 .
- Receive processor 456 and multi-antenna receive processor 458 implement various signal processing functions of the L1 layer.
- the multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454 .
- Receive processor 456 converts the baseband multi-carrier symbol stream after the receive analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT).
- FFT Fast Fourier Transform
- the physical layer data signal and the reference signal are demultiplexed by the receiving processor 456, wherein the reference signal will be used for channel estimation, and the data signal is recovered in the second Communication device 450 is the destination for any parallel streams.
- the symbols on each parallel stream are demodulated and recovered in 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 transmitted by the first communications device 410 on the physical channel.
- the upper layer data and control signals are then provided to the controller/processor 459 .
- Controller/processor 459 implements the functions of the L2 layer. Controller/processor 459 can be associated with 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, decryption, header decompression, control signal processing to recover upper layer 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. Controller/processor 459 is also responsible for error detection using acknowledgment (ACK) and/or negative acknowledgment (NACK) protocols to support HARQ operation.
- ACK acknowledgment
- NACK negative acknowledgment
- a data source 467 is used 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 logical AND based on the radio resource allocation of the first communication device 410. Multiplexing between transport channels, implementing L2 layer functions for user plane and control plane. 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 and channel coding processing, and the multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beamforming processing, and then transmits
- the processor 468 modulates the generated parallel streams into multi-carrier/single-carrier symbol streams, which are provided to different antennas 452 via the transmitter 454 after undergoing analog precoding/beamforming operations in the multi-antenna transmit processor 457 .
- Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmit processor 457 into an RF symbol stream, and then provides it to the antenna 452 .
- each receiver 418 receives radio frequency signals through its respective antenna 420 , converts the received radio frequency signals to baseband signals, and provides the baseband signals to multi-antenna receive processor 472 and receive processor 470 .
- the receive processor 470 and the multi-antenna receive processor 472 jointly implement the functions of the L1 layer.
- Controller/processor 475 implements L2 layer functions. Controller/processor 475 can be associated with 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, decryption, header decompression, control signal processing to recover upper layer packets from the second communication device 450 .
- Upper layer packets from controller/processor 475 may be provided to the core network.
- Controller/processor 475 is also responsible for error detection using ACK and/or NACK protocols to support HARQ operation.
- the second communication device 450 includes: at least one processor and at least one memory, and the at least one memory includes computer program code; the at least one memory and the computer program code are configured to communicate with the Use with at least one processor.
- the second communication device 450 means at least: receiving first signaling and second signaling; determining a first time domain resource according to at least a first integer; and monitoring downlink control signaling in the first time domain resource.
- the second communication device 450 includes: a memory storing a computer-readable instruction program, and the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: receiving a first A signaling and a second signaling; determining a first time domain resource according to at least a first integer; monitoring downlink control signaling in the first time domain resource.
- the first communication device 410 includes: at least one processor and at least one memory, and the at least one memory includes computer program code; the at least one memory and the computer program code are configured to communicate with the Use with at least one processor.
- the first communication device 410 means at least: sending the first signaling and the second signaling.
- the first communication device 410 includes: a memory storing a computer-readable instruction program, and the computer-readable instruction program generates an action when executed by at least one processor, and the action includes: sending the first A signaling and a second signaling.
- the first node in this application includes the second communication device 450 .
- the second node in this application includes the first communication device 410 .
- the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to receive the first signaling and the second signaling;
- At least one of the controller 471, the controller/processor 475, and the memory 476 ⁇ is used to send the first signaling and the second signaling.
- At least one of the sources 467 ⁇ is used to determine a first time-domain resource based on at least a first integer;
- the antenna 452 the receiver 454, the receiving processor 456, the multi-antenna receiving processor 458, the controller/processor 459, the memory 460, the data At least one of the sources 467 ⁇ is used to monitor downlink control signaling in the first time domain resource.
- At least one of ⁇ the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475, and the memory 476 ⁇ One of them is used to send downlink control signaling in the first time domain resource.
- Embodiment 5 illustrates a flow chart of wireless transmission according to an embodiment of the present application, as shown in FIG. 5 .
- the steps in block F1 and block F2 are optional.
- the first signaling and the second signaling are received in step S100, the first signaling indicates that Q SSBs are to be sent, the Q SSBs correspond to the Q SSB indexes respectively, and the Q The SSB index is used to determine Q time-domain resources respectively, and the Q is a positive integer greater than 1; in step S101, a third signaling is received, and the third signaling is used to determine the first time-domain resource Whether the pool is the first candidate pool or the second candidate pool; in step S102, the first time domain resource is determined according to at least the first integer, and the candidates of the first time domain resource form the first time domain resource pool; in step S103 monitoring downlink control signaling in the first time domain resource;
- the first integer is one of the Q SSB indexes
- the first time domain resource belongs to a time domain resource in the first time domain resource pool
- the first time domain resource The resource pool is one of the first candidate pool and the second candidate pool;
- the first candidate pool includes Q1 time domain resources, and the second candidate pool includes Q2 time domain resources;
- the Q1 time domain resources Any time-domain resource in the resources is one of the Q time-domain resources, and at least one of the Q1 time-domain resources does not belong to the Q2 time-domain resources;
- the Q2 time-domain resources is a proper subset of the Q time domain resources;
- the second signaling is used to determine the Q2 time domain resources;
- the Q SSBs are associated to the first PCI.
- the Q time domain resources accommodate Q CSS (Common search space, public search space) sets (set) groups respectively, and each CSS set group in the Q CSS set groups includes at least one CSS set .
- Q CSS Common search space, public search space
- the first time-domain resource pool includes multiple time slices, and the multiple time slices are sequentially indexed according to time order; for any time slice in the multiple time slices, if any The index of a time slice is equal to f (the first integer), the any time slice belongs to the first time domain resource, if the index of the any time slice is not equal to f (the first integer), the Any time slice does not belong to the first time-domain resource; the f (first integer) is a function, and an input of the f (first integer) includes at least the first integer.
- the indices of the multiple time slices are 0, 1, 2, . . . in sequence.
- the indices of the multiple time slices are 1, 2, . . . in sequence.
- each time slice in the plurality of time slices includes at least one multi-carrier symbol.
- any two time slices in the multiple time slices include the same number of multi-carrier symbols.
- any one of the multiple time slices is a PDCCH monitoring opportunity.
- any one of the multiple time slices is a time slot (slot).
- said f (first integer) is linear.
- the output of the f (first integer) includes a plurality of values, and if the index of the first time slice is equal to any value in the plurality of values, the any time slice belongs to the Describe the first time domain resource.
- the input of f (the first integer) further includes x, where x is a positive integer from 0 to X-1, and the X is configured by higher layer signaling.
- the time slice is a PDCCH monitoring opportunity
- the downlink control signaling is identified by a P-RNTI (Paging RNTI, paging RNTI), and the first time domain resource pool belongs to a PO (Paging Occasion, paging occasion).
- P-RNTI Paging RNTI, paging RNTI
- PO Paging Occasion, paging occasion
- the X is indicated by nrofPDCCH-MonitoringOccasionPerSSB-InPO.
- the downlink control signaling is identified by SI-RNTI (System Information RNTI, system information RNTI), and the first time domain resource pool belongs to one SI-window.
- SI-RNTI System Information RNTI, system information RNTI
- the X is CEIL (the number of PDCCH monitoring opportunities in the one SI-window/Q), and the CEIL is an upward rounding function.
- the one SI-window is the SI-window occupied by the SI message of any entry (entry) in the schedulingInfoList.
- the schedulingInfoList belongs to si-SchedulingInfo of SIB1.
- the second signaling indicates Q2 SSB indexes among the Q SSB indexes, and the Q2 SSB indexes are respectively used to determine the Q2 time domain resources.
- the first time-domain resource is a time-domain resource in the first time-domain resource pool.
- any one of the Q2 time-domain resources is one of the Q time-domain resources.
- the first time domain resource is a time domain resource determined by the first integer in the first time domain resource pool.
- the SSBs corresponding to the Q2 SSB indices are considered not to be actually sent.
- the advantages of the above method include: maintaining good compatibility with traditional UEs, while releasing Q2 SSBs and associated PDCCH monitoring opportunities.
- the second signaling is used to indicate at least the first node U1 that the SSBs corresponding to the Q2 SSB indexes have not been actually sent.
- the second signaling is used to instruct at least the first node U1 to give up using the SSBs corresponding to the Q2 SSB indexes to perform cell search.
- the SSBs corresponding to the Q2 SSB indices are considered to be actually transmitted.
- the legacy UE cannot recognize the second signaling.
- the legacy UE includes at least a UE supporting 3GPP Release 15 and a UE supporting 3GPP Release 16.
- the legacy UE includes a 3GPP Release 17 UE.
- the Q time domain resources include a corresponding time domain resource; Any time domain resource is indicated in the time domain resource.
- the time domain resource #j in the resources corresponds to the time domain resource #i; the time domain resource #j includes PDCCH monitoring opportunities #0, #1, #2, ...; the second signaling starts from the time domain
- the PDCCH monitoring occasion included in the domain resource #j indicates the monitoring occasion belonging to the time domain resource #i.
- the second signaling indicates whether each of the PDCCH monitoring opportunities included in the time domain resource #j belongs to the time domain resource #i in a bitmap manner.
- the Q2 time-domain resources are in one-to-one correspondence with Q2 different time-domain resources among the Q time-domain resources.
- the third signaling is generated at a protocol layer below the RRC (Radio Resource Control, radio resource control) layer.
- RRC Radio Resource Control, radio resource control
- the third signaling is a MAC (Medium Access Control, medium access control) CE (Control Element, control unit).
- the third signaling is a DCI (Downlink Control Information, downlink control information).
- DCI Downlink Control Information, downlink control information
- the third signaling indicates that at least one search space is associated with the first PCI, and the behavior monitoring downlink control signaling is executed in the at least one search space.
- the third signaling instructs at least one search space to switch from being associated with the first PCI to being associated with the second PCI, and the behavior monitoring downlink control signaling is in the at least one search space is performed; the first PCI is different from the second PCI.
- the Q2 is smaller than the Q, and any time-domain resource in the Q2 time-domain resources is one of the Q time-domain resources.
- the Q1 is smaller than the Q, and any time-domain resource in the Q1 time-domain resources is one of the Q time-domain resources.
- the search space is associated with The one PCI.
- TCI state used for the PDCCH reception in a CORESET (Control resource set, control resource set) is indicated as being with the SSB QCL (Quasi co-location, semi-co-location) identified by a PCI
- SSB QCL Quadrature co-location, semi-co-location
- the TCI state used for PDCCH reception in a search space is indicated as being related to a CSI-RS (Channel State Information-Reference Signal, channel state information reference signal) resource QCL and the CSI-RS resource With the SSB QCL (Quasi co-location, semi-co-location) identified by one PCI, the one search space is associated to the one PCI.
- CSI-RS Channel State Information-Reference Signal, channel state information reference signal
- a search space associated with the one CORESET is associated to the one PCI.
- the Q2 is smaller than the Q, and any time domain resource in the Q2 time domain resources is one of the Q time domain resources.
- the Q1 is smaller than the Q, and any time-domain resource in the Q1 time-domain resources is one of the Q time-domain resources.
- the third signaling instructs at least one search space to switch from being associated with the first PCI to being associated with the second PCI, and the behavior monitoring downlink control signaling is in the at least one search space is executed; the first PCI is different from the second PCI.
- the cell identified by the first PCI is a serving cell of the first node, and the cell identified by the second PCI is not configured with a ServCellIndex.
- the above method is beneficial for the first node to receive downlink control signaling through the cell identified by the second PCI, while keeping the serving cell unchanged, so as to realize inter-cell mobility on a lower protocol layer.
- any PDCCH monitoring opportunity in the Q time domain resources if there is overlap with any symbol configured as uplink in the TDD-UL-DL-ConfigCommon IE, any PDCCH The monitoring opportunity does not belong to the Q1 time domain resources; the cell identified by the second PCI is the serving cell of the first node, and the third signaling indicates that at least one search space is associated with the first PCI, The behavior monitoring downlink control signaling is executed in the at least one search space.
- the cell identified by the first PCI is not configured with a ServCellIndex.
- whether the first time domain resource pool is the first candidate pool or the second candidate pool is related to a first RNTI, and the downlink control signaling is identified by the first RNTI.
- the identifying the downlink control signaling by the first RNTI includes: the first RNTI is used to scramble a CRC of the downlink control signaling.
- the downlink control signaling being identified by the first RNTI includes: the first RNTI is used to generate the RS sequence of a DMRS (DeModulation Reference Signal, demodulation reference signal) of the downlink control signaling .
- DMRS Demonulation Reference Signal, demodulation reference signal
- the identifying the downlink control signaling by the first RNTI includes: the first RNTI is used to determine the time-frequency resource occupied by the downlink control signaling.
- the first time domain resource pool is the first candidate resource pool; when the first RNTI belongs to the second type of RNTI, the first The time domain resource pool is the second candidate resource pool.
- the first time domain resource pool is the first candidate resource pool; when the first RNTI belongs to the second type of RNTI, the third The signaling indicates whether the first time domain resource pool is the first time domain resource pool or the second candidate resource pool.
- the first type of RNTI includes P-RNTI.
- the second type of RNTI includes a C-RNTI.
- the second type of RNTI includes an RNTI configured through UE-specific (Dedicated) signaling.
- the second type of RNTI includes other RNTIs than the P-RNTI.
- the first type of RNTI includes SI-RNTI.
- the first type of RNTI includes RA (Random Access)-RNTI.
- the first type of RNTI includes MsgB-RNTI.
- the second type of RNTI includes MCS-RNTI.
- the second type of RNTI includes C-RNTI.
- the second type of RNTI includes C-RNTI (Cell Radio Network Temporary Identifier, cell radio network temporary identity), MCS-C-RNTI, SP (Semi-Persistent, semi-persistent) -CSI-RNTI and CS (Configured Scheduling, configuration scheduling)-RNTI.
- C-RNTI Cell Radio Network Temporary Identifier, cell radio network temporary identity
- MCS-C-RNTI MCS-C-RNTI
- SP Semi-Persistent, semi-persistent
- CS Configured Scheduling, configuration scheduling
- whether the first time domain resource pool is the first candidate pool or the second candidate pool is related to the type of search space occupied by the downlink control signaling.
- the first time domain resource pool is the first A candidate resource pool; when the type of the search space occupied by the downlink control signaling belongs to a search space type in a second search space type set, the first time domain resource pool is the first time domain resource pool Two candidate resource pools.
- the first time domain resource pool is the first a candidate resource pool
- the third signaling indicates that the first Whether the domain resource pool is the first time domain resource pool or the second candidate resource pool.
- the first search space type set includes at least one search space type in a USS (UE-specific search space, UE-specific search space) set (set).
- USS UE-specific search space, UE-specific search space
- the first search space type set includes at least one search space type of Type0-PDCCH CSS set.
- the first set of search space types includes at least two search space types: Type0-PDCCH CSS set and USS set.
- the second search space type set includes at least one search space type of Type2 (type 2)-PDCCH CSS set.
- the second search space type set includes at least two search space types: Type2-PDCCH CSS set and Type3-PDCCH CSS set.
- whether the first time domain resource pool is the first candidate pool or the second candidate pool is related to the occupied CORESET for accommodating the downlink control signaling.
- the first time domain resource pool is the first candidate resource pool; when the downlink control When the CORESET occupied by signaling belongs to a type of CORESET in the second CORESET set, the first time domain resource pool is the second candidate resource pool.
- the first time domain resource pool is the first candidate resource pool; when the downlink control When the CORESET occupied by the signaling belongs to a type of CORESET in the second CORESET set, the third signaling indicates whether the first time domain resource pool is the first time domain resource pool or the second candidate resource pool.
- any CORESET in the first CORESET set and the second CORESET set is configured to the first node U1.
- the coresetPoolIndex of all CORESETs in the first CORESET set is a first value
- the coresetPoolIndex of all CORESETs in the second CORESET set is a second value
- the first value is the same as the first value Binary values are different.
- the first value is 0, and the second value is 1.
- the first value and the second value are non-negative integers not greater than 8, respectively.
- the first CORESET set includes at least CORESET#0.
- the second CORESET set includes all CORESETs configured on the first node U1 except the first CORESET set.
- the first node U1 is a UE
- the second node U2 is a base station.
- the sender of the third signaling is the first cell
- the sender of the downlink control signaling is the second cell
- the sender of the first signaling and the second signaling is the first cell.
- the sender of the first signaling and the second signaling is the second cell.
- Embodiment 6 illustrates a schematic diagram of communication between a first node and a first cell and a second cell according to an embodiment of the present application, as shown in FIG. 6 .
- the first node U3 receives Q1 SSBs in step S300; optionally, the first node U3 receives Q3 SSBs in step S300; the first node U3 monitors downlink control signaling in the first time domain resource in step S301 ;
- the first cell U4 sends Q1 SSBs in step S400;
- the second cell U5 sends Q3 SSBs in step S500; the second cell U5 sends downlink control signaling in the first time domain resource in step S501.
- the Q3 SSBs correspond to the Q3 SSB indexes respectively.
- any SSB index in the Q3 SSB indexes is a non-negative integer not greater than 63.
- any SSB index in the Q3 SSB indexes is a positive integer not greater than 64.
- the second signaling indicates Q2 SSB indexes among the Q SSB indexes
- the third signaling indicates one SSB index; if the one SSB index is one of the Q1 SSB indexes, the The first time-domain resource pool is a first candidate pool, and the first integer is the one SSB index; if the one SSB index is one of the Q3 SSB indexes, the first time-domain resource pool is the second candidate pool, the one SSB index is used to calculate the first integer, and the first integer is one of the Q2 SSB indexes.
- the one SSB index being used to calculate the first integer includes: the first integer being Mod(the one SSB index, Q2).
- the one SSB index being used to calculate the first integer includes: the Q3 SSB indexes are sorted in order according to size, and the first integer is Mod (all the sorted SSB indexes of the one SSB index position in the Q3 SSB index, Q2).
- At least the first node U3 assumes that the SSBs corresponding to the Q2 SSB indices are not sent by the first cell U4.
- both the first cell U4 and the second cell U5 are maintained by the second node; the first signaling in this application is SIB (System Information Block, system information block) 1; The second signaling is generated at the RRC layer; the third signaling in this application is a MAC CE or a DCI.
- SIB System Information Block, system information block
- the first cell U4 is a serving cell of the first node U3, and the second cell U5 is not configured with a ServCellIndex.
- the Q1 is smaller than the Q
- the Q2 is smaller than the Q in this application
- the Q time domain resources are composed of the Q1 time domain resources and the Q2 time domain resources Composition of time domain resources.
- the Q1 is equal to the Q, and the Q1 time domain resources are the Q time domain resources; the Q2 is smaller than the Q in this application, and the Q2 Any one of the time domain resources is one of the Q time domain resources.
- the second cell U5 is a serving cell of the first node U3, and the first cell U4 is not configured with a ServCellIndex.
- At least one time-domain resource among the Q2 time-domain resources is a proper subset of one time-domain resource among the Q2 time-domain resources.
- the Q1 SSBs and the Q3 SSBs are sent on the same BWP (Bandwidth Part, bandwidth interval).
- the Q1 SSBs and the Q3 SSBs are sent on the same carrier (Carrier).
- the first PCI is used to generate the Q1 SSBs
- the second PCI is used to generate the Q3 SSBs.
- the second PCI is used to generate the Q1 SSBs
- the first PCI is used to generate the Q3 SSBs.
- Embodiment 7 illustrates a schematic diagram of a first time-domain resource pool according to an embodiment of the present application; as shown in FIG. 7 .
- a small square represents a PDCCH monitoring opportunity in the first time domain resource pool, and the gray filled small square belongs to the first time domain resource.
- the monitoring of the downlink control signaling by the first node is performed periodically, and the first time domain resource pool is composed of all PDCCH monitoring opportunities that can be occupied by the downlink control signaling within a period .
- one PDCCH monitoring occasion belongs to one time slot.
- one PDCCH monitoring occasion belongs to one Span (span).
- the number of PDCCH monitoring opportunities belonging to the first time domain resource pool between any two adjacent PDCCH monitoring opportunities in the first time domain resource is the same.
- the one period is a PO of the first cell, and the first cell is identified by the first PCI.
- the one period is an SI-window of the first cell, and the first cell is identified by the first PCI.
- all the PDCCH monitoring opportunities that can be occupied by the downlink control signaling do not include the tdd-UL - DL-ConfigurationCommon is configured as an overlapping PDCCH monitoring opportunity for uplink OFDM symbols, and the first cell is identified by the first PCI; the tdd-UL-DL-ConfigurationCommon sent by the second cell is not used by the first node to determine For all PDCCH monitoring opportunities that can be occupied by the downlink control signaling, the second cell is identified by the second PCI.
- both the first cell and the second cell can send data for the first node.
- both the first cell and the second cell can receive data from the first node.
- the first RNTI is used to identify the downlink control signaling, and when the first node performs blind decoding on the first RNTI in one PDCCH monitoring opportunity, the one PDCCH monitoring opportunity can Occupied by the downlink control signaling.
- the first RNTI is used to identify the downlink control signaling, and when the first node does not perform blind decoding for the first RNTI in a PDCCH monitoring opportunity, the one PDCCH monitoring opportunity It cannot be occupied by the downlink control signaling.
- Embodiment 8 illustrates a schematic diagram of the cell coverage status of the first node according to an embodiment of the present application; as shown in FIG. 8 .
- the RRC layer of the first node terminates to the cell identified by the reference PCI.
- the PDCP Packet Data Convergence Protocol, Packet Data Convergence Protocol
- the PDCP Packet Data Convergence Protocol
- Packet Data Convergence Protocol Packet Data Convergence Protocol
- the RLC (Radio Link Control, radio link layer control protocol) layer of the first node terminates to the cell identified by the reference PCI.
- the MAC sublayer of the first node terminates to the cell identified by the reference PCI.
- the cell identified by the reference PCI is a physical cell.
- the cell identified by the reference PCI is a serving cell of the first node.
- the cell identified by the target PCI is a physical cell.
- the cell identified by the target PCI is a serving cell of the first node.
- the cell identified by the target PCI is not the serving cell of the first node.
- the cell identified by the target PCI provides additional resources on top of the cell identified by the reference PCI.
- the cell identified by the target PCI is a configured candidate cell for L1/L2 mobility.
- the cell identified by the target PCI and the cell identified by the reference PCI are of the same frequency.
- the cell identified by the target PCI and the cell identified by the reference PCI have different frequencies.
- the cell identified by the target PCI is a mobility management cell configured for the cell identified by the reference PCI.
- the serving cell of the first node remains unchanged.
- the meaning of the phrase that the serving cell remains unchanged includes: the protocol stack (protocol stack) of at least one of the RRC layer, PDCP layer, RLC layer, MAC sublayer or PHY layer is not Relocation is required.
- the meaning of the phrase that the serving cell remains unchanged includes: the RRC connection remains unchanged.
- the meaning of the phrase that the serving cell remains unchanged includes: the identity of the serving cell remains unchanged.
- the phrase serving cell remains unchanged means that all or part of the configurations in ServingCellConfigCommon and/or ServingCellConfigCommonSIB remain unchanged.
- different RNTIs are used to determine the scrambling code sequence of the physical layer channel sent or received by the first node in the cell identified by the target PCI and the scrambling sequence of the physical layer channel identified by the reference PCI The scrambling code sequence of the physical layer channel sent or received in the cell.
- the physical layer channel includes one of PDCCH, PDSCH, PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel) or PUSCH (Physical Uplink Shared CHannel, Physical Uplink Shared CHannel), or Various.
- the CRC of the PDCCH received by the first node in the cell identified by the target PCI is different from the CRC of the PDCCH received in the cell identified by the reference PCI RNTI scrambling.
- the first PCI in this application is the reference PCI
- the second PCI in this application is the target PCI
- the second PCI in this application is the reference PCI
- the first PCI in this application is the target PCI
- Embodiment 9 illustrates a schematic diagram of transmitting backhaul signaling between a first node and a second node according to an embodiment of the present application; as shown in FIG. 9 .
- FIG. 9 describes a full-duplex working mode. Both the first backhaul signaling and the second backhaul signaling in FIG. 9 are sent through the air interface.
- the second node N2 and the third node N3 are respectively a base station.
- the sending of the first backhaul signaling overlaps with the uplink reception of the second node N2 (as shown by arrow A21) in time, and the receiving of the first backhaul signaling occurs at There is overlap in time with the uplink reception of the third node N3 (shown by arrow A31 ); that is, the second node N2 sends the first return signaling in a full-duplex manner.
- the sending of the first backhaul signaling overlaps with the downlink sending of the second node N2 (as shown by arrow A22) in time, and the receiving of the first backhaul signaling occurs at There is overlap in time with the downlink transmission of the third node N3 (as shown by the arrow A32); that is, the third node N3 transmits the first return signaling in a full-duplex manner.
- the reception of the second backhaul signaling overlaps with the uplink reception of the second node N2 (as shown by arrow A21) in time, and the sending of the second backhaul signaling occurs at There is overlap in time with the uplink reception of the third node N3 (shown by arrow A31 ); that is, the third node N3 sends the first return signaling in a full-duplex manner.
- the receiving of the second backhaul signaling overlaps with the downlink transmission of the second node N2 (as shown by arrow A22) in time, and the sending of the second backhaul signaling occurs at There is overlap in time with the downlink transmission of the third node N3 (as shown by the arrow A32); that is, the second node N2 transmits the first return signaling in a full-duplex manner.
- the Q2 SSB indexes correspond to the Q2 SSBs respectively, and the air interface resources reserved for the Q2 SSBs are allocated to the first backhaul signaling or the second backhaul signaling for the base station exchange of information; this application can prevent the first node from performing measurements on the Q2 SSBs; at the same time, this embodiment allows the first node to receive downlink control signals on the PDCCH monitoring occasions associated with the Q2 SSBs The order avoids the waste of time-frequency resources and improves the transmission efficiency.
- Embodiment 10 illustrates a structural block diagram of a processing device used in a first node according to an embodiment of the present application; as shown in FIG. 10 .
- the processing device 1000 in the first node includes a first receiver 1001 .
- the first receiver 1001 receives the first signaling and the second signaling, the first signaling indicates that Q SSBs are to be sent, the Q SSBs respectively correspond to the Q SSB indexes, and the Q SSB indexes are respectively used to determine Q time-domain resources, where Q is a positive integer greater than 1; the first time-domain resource is determined according to at least the first integer, and candidates for the first time-domain resource constitute the first time-domain resource.
- a domain resource pool monitoring downlink control signaling in the first time domain resource;
- the first integer is one of the Q SSB indexes, the first time domain resource belongs to a time domain resource in the first time domain resource pool, and the first time domain resource
- the resource pool is one of the first candidate pool and the second candidate pool; the first candidate pool includes Q1 time domain resources, and the second candidate pool includes Q2 time domain resources; the Q1 time domain resources Any time-domain resource in the resources is one of the Q time-domain resources, and at least one of the Q1 time-domain resources does not belong to the Q2 time-domain resources; the Q2 time-domain resources is a proper subset of the Q time domain resources; the second signaling is used to determine the Q2 time domain resources; the Q SSBs are associated to the first PCI.
- the first receiver 1001 receives third signaling, and the third signaling is used to determine whether the first time domain resource pool is the first candidate pool or the second candidate pool.
- the second signaling indicates Q2 SSB indexes among the Q SSB indexes, and the Q2 SSB indexes are respectively used to determine the Q2 time domain resources.
- the SSBs corresponding to the Q2 SSB indices are considered not to be actually sent.
- the Q time domain resources include a corresponding time domain resource; Any time domain resource is indicated in the time domain resource.
- the Q time-domain resources respectively accommodate Q CSS (Common search space, public search space) sets (sets), and each CSS set in the Q CSS sets includes at least one CSS collection.
- Q CSS Common search space, public search space
- the first time domain resource pool is the first candidate pool or the second candidate pool is related to the first RNTI, and the downlink control signaling is identified by the first RNTI; or, the first time domain Whether the domain resource pool is the first candidate pool or the second candidate pool is related to the CORESET accommodating the downlink control signaling.
- the first node is a user equipment.
- the first node is a relay node device.
- the first receiver 1001 includes ⁇ antenna 452, receiving processor 456, multi-antenna receiving processor 458, controller/processor 459 ⁇ in Embodiment 4.
- the first receiver 1001 includes at least one of ⁇ storage 460, data source 467 ⁇ in Embodiment 4.
- Embodiment 11 illustrates a structural block diagram of a processing device used in a second node according to an embodiment of the present application; as shown in FIG. 11 .
- the processing device 1100 in the second node includes a first transmitter 1101 .
- the first transmitter 1101 sends the first signaling and the second signaling, the first signaling indicates that Q SSBs are sent, the Q SSBs correspond to the Q SSB indexes respectively, and the Q SSB indexes are respectively used to determine Q time-domain resources, and the Q is a positive integer greater than 1;
- At least a first integer is used to determine a first time domain resource, and candidates for the first time domain resource form a first time domain resource pool; the first time domain resource is reserved for downlink control Signaling: the first integer is one of the Q SSB indexes, the first time domain resource belongs to a time domain resource in the first time domain resource pool, and the first time domain resource pool It is one of the first candidate pool and the second candidate pool; the first candidate pool includes Q1 time domain resources, and the second candidate pool includes Q2 time domain resources; among the Q1 time domain resources Any time domain resource is one of the Q time domain resources, at least one time domain resource in the Q1 time domain resources does not belong to the Q2 time domain resources; the Q2 time domain resources are all A proper subset of the Q time domain resources; the second signaling is used to determine the Q2 time domain resources; the Q SSBs are associated to the first PCI.
- the first transmitter 1101 sends third signaling, where the third signaling is used to determine whether the first time domain resource pool is the first candidate pool or the second candidate pool.
- the second signaling indicates Q2 SSB indexes among the Q SSB indexes, and the Q2 SSB indexes are respectively used to determine the Q2 time domain resources.
- the SSBs corresponding to the Q2 SSB indices are considered not to be actually sent.
- the Q time domain resources include a corresponding time domain resource; Any time domain resource is indicated in the time domain resource.
- the Q time-domain resources respectively accommodate Q CSS (Common search space, public search space) sets (sets), and each CSS set in the Q CSS sets includes at least one CSS collection.
- Q CSS Common search space, public search space
- the first time domain resource pool is the first candidate pool or the second candidate pool is related to the first RNTI, and the downlink control signaling is identified by the first RNTI; or, the first time domain Whether the domain resource pool is the first candidate pool or the second candidate pool is related to the CORESET accommodating the downlink control signaling.
- the second node is a base station device.
- the second node is a TRP device.
- the second node is a relay node device.
- the second node is a CU device.
- the second node is a DU device.
- the first transmitter 1101 includes ⁇ antenna 420, transmitter 418, transmission processor 416, multi-antenna transmission processor 471 ⁇ in Embodiment 4.
- the first transmitter 1101 includes at least one of ⁇ controller/processor 475, memory 476 ⁇ in Embodiment 4.
- the user equipment, terminal and UE in this application include but are not limited to drones, communication modules on drones, remote-controlled aircraft, aircraft, small aircraft, mobile phones, tablet computers, notebooks, vehicle-mounted communication equipment, vehicles, vehicles, RSU, wireless sensor, network card, IoT terminal, RFID terminal, NB-IOT terminal, MTC (Machine Type Communication, machine type communication) terminal, eMTC (enhanced MTC, enhanced MTC) terminal, data card, network card, vehicle Communication equipment, low-cost mobile phones, low-cost tablet computers and other wireless communication equipment.
- MTC Machine Type Communication, machine type communication
- eMTC enhanced MTC
- the base station or system equipment in this application includes but not limited to macrocell base station, microcell base station, small cell base station, home base station, relay base station, eNB, gNB, TRP (Transmitter Receiver Point, sending and receiving node), GNSS, relay Satellites, satellite base stations, aerial base stations, RSU (Road Side Unit, roadside unit), drones, test equipment, such as wireless communication equipment such as transceivers or signaling testers that simulate some functions of base stations.
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Abstract
本申请公开了一种被用于无线通信的节点中的方法和装置。第一节点接收第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;根据至少第一整数确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;在所述第一时域资源中监测下行控制信令。本申请具备良好的兼容性,并且提高了资源分配的灵活性。
Description
本申请涉及无线通信系统中的传输方法和装置,尤其是支持蜂窝网的无线通信系统中的无线信号的传输方法和装置。
在LTE(Long-term Evolution,长期演进)系统中,传统的网络控制的移动性(mobility)包括小区级的移动性(cell level)和波束级的移动性(beam level),其中,小区级的移动性依赖于RRC(Radio Resource Control,无线资源控制)信令,波束级的移动性不涉及RRC信令。3GPP(the 3rd Generation Partnership Project,第三代合作伙伴项目)R(Release,版本)16以及之前的版本中,SSB(SS/PBCH Block,同步信号/物理广播信道块)索引被用于确定相应的CSS(Common Search Space,公共搜索空间)集合(set)所占用的时域资源。
发明内容
将一个CSS集合关联到服务小区的一个SSB能提高UE(User Equipment,用户设备)针对PDCCH(Phsical Downlink Control CHannel,物理下行控制信道)执行盲译码(Blind Decoding)的效率。然而上述方案限制了资源分配的灵活性,在蜂窝网未来演进版本中可能需要进一步增强。
针对上述问题,本申请公开了一种解决方案。需要说明的是,虽然上述描述采用蜂窝网或者CSS作为例子,本申请也适用于其他场景比如副链路(Sidelink)传输或者USS(UE specific Search Space,UE特定的搜索空间),并取得类似在蜂窝网的CSS中的技术效果。此外,不同场景(包括但不限于蜂窝网和副链路传输)采用统一解决方案还有助于降低硬件复杂度和成本。在不冲突的情况下,本申请的第一节点中的实施例和实施例中的特征可以应用到第二节点中,反之亦然。在不冲突的情况下,本申请的实施例和实施例中的特征可以任意相互组合。
作为一个实施例,对本申请中的术语(Terminology)的解释是参考3GPP的规范协议TS36系列的定义。
作为一个实施例,对本申请中的术语的解释是参考3GPP的规范协议TS38系列的定义。
作为一个实施例,对本申请中的术语的解释是参考3GPP的规范协议TS37系列的定义。
作为一个实施例,对本申请中的术语的解释是参考IEEE(Institute of Electrical and Electronics Engineers,电气和电子工程师协会)的规范协议的定义。
本申请公开了被用于无线通信的第一节点中的方法,其特征在于,包括:
接收第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;根据至少第一整数确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;在所述第一时域资源中监测下行控制信令;
其中,所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI(Physical Cell Identifier,物理小区标识)。
作为一个实施例,所述Q个SSB索引分别被用于确定所述Q个时域资源的技术特征保持了和现有系统的兼容性;所述第一时域资源池是第一候选池和第二候选池二者中之一的技术特征提供了资源分配的灵活行;因此,上述方法在兼容性和灵活行上取得了平衡。
典型的,所述Q个时域资源中的每个时域资源包括至少一个PDCCH监测时机(monitoring occasion)。
典型的,所述Q个时域资源中的每个时域资源包括至少一个多载波符号。
典型的,所述Q个时域资源中的每个时域资源包括至少一个时隙。
作为一个实施例,所述多载波符号是OFDM(Orthogonal Frequency Division Multiplexing,正交频分复用)符号。
作为一个实施例,所述多载波符号是DFT-S-OFDM(离散傅里叶变换扩展正交频分复用)符号。
具体的,根据本申请的一个方面,其特征在于,所述第二信令指示所述Q个SSB索引中的Q2个SSB索引,所述Q2个SSB索引分别被用于确定所述Q2个时域资源。
作为一个实施例,上述方法和现有系统保持更好的兼容性。
典型的,所述第一时域资源是所述第一时域资源池中的一个时域资源。
典型的,所述Q2个时域资源中的任一时域资源是所述Q个时域资源中之一。
典型的,所述Q2个SSB索引中的任意两个SSB索引不同。
具体的,根据本申请的一个方面,其特征在于,至少对于所述第一节点,所述Q2个SSB索引对应的SSB被认为未实际发送。
作为一个实施例,上述方法能提供更大的调度灵活性。
作为一个实施例,上述方法提高了UE执行盲译码的效率。
作为一个实施例,所述第二信令被用于指示所述Q2个SSB索引对应的SSB未被实际发送。
作为一个实施例,所述第二信令被用于指示放弃利用所述Q2个SSB索引对应的SSB进行小区搜索。
作为一个实施例,对于传统UE,所述Q2个SSB索引对应的SSB被认为实际发送。
典型的,所述传统UE不能识别所述第二信令。
作为一个实施例,所述传统UE包括至少支持3GPP Release 15的UE和支持3GPP Release16的UE。
作为一个实施例,所述传统UE包括3GPP Release 17的UE。
具体的,根据本申请的一个方面,其特征在于,对于所述Q2个时域资源中任一时域资源,所述Q个时域资源中包括一个相应的时域资源;所述第二信令被用于从所述一个相应的时域资源中指示所述任一时域资源。
作为一个实施例,上述方法能实现更小颗粒度的资源调度,进一步提高了调度灵活行。
具体的,根据本申请的一个方面,其特征在于,所述Q个时域资源分别容纳Q个CSS(Common search space,公共搜索空间)集合(set)组,所述Q个CSS集合组中的每个CSS集合组中包括至少一个CSS集合。
具体的,根据本申请的一个方面,其特征在于,包括:
所述第一接收机,接收第三信令,所述第三信令被用于确定所述第一时域资源池是第一候选池还是第二候选池。
作为一个实施例,上述方法允许灵活配置所述第一时域资源池,进一步提高了调度灵活行。
具体的,根据本申请的一个方面,其特征在于,所述第一时域资源池是第一候选池还是第二候选池与第一RNTI(Radio Network Temporary Identifier,无线网络暂定标识)有关,所述下行控制信令被所述第一RNTI标识。
具体的,根据本申请的一个方面,其特征在于,所述第一时域资源池是第一候选池还是第二候选池与容纳所述下行控制信令的CORESET(COntrol REsource SET,控制资源集合)有关。
作为一个实施例,上述两个方面中的任一方面降低了用于配置所述第一时域资源池的信令开销或者时间延迟,提高了传输效率。
本申请公开了被用于无线通信的第二节点中的方法,其特征在于,包括:
发送第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;
其中,至少第一整数被用于确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;所述第一时域资源被预留给下行控制信令;所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域 资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
本申请公开了被用于无线通信的第一节点,其特征在于,包括:
第一接收机,接收第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;根据至少第一整数确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;在所述第一时域资源中监测下行控制信令;
其中,所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
本申请公开了被用于无线通信的第二节点,其特征在于,包括:
第一发射机,发送第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;
其中,至少第一整数被用于确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;所述第一时域资源被预留给下行控制信令;所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
作为一个实施例,和传统方案相比,本申请具备如下优势:
和现有系统具备良好的兼容性;
提供了更大的调度灵活性。
通过阅读参照以下附图中的对非限制性实施例所作的详细描述,本申请的其它特征、目的和优点将会变得更加明显:
图1示出了根据本申请的一个实施例的监测下行控制信令的流程图;
图2示出了根据本申请的一个实施例的网络架构的示意图;
图3示出了根据本申请的一个实施例的用户平面和控制平面的无线协议架构的实施例的示意图;
图4示出了根据本申请的一个实施例的第一通信设备和第二通信设备的示意图;
图5示出了根据本申请的一个实施例的传输的流程图;
图6示出了根据本申请的一个实施例的第一节点与第一小区和第二小区通信的示意图;
图7示出了根据本申请的一个实施例的第一时域资源池的示意图;
图8示出了根据本申请的一个实施例的第一节点的小区覆盖状况的示意图;
图9示出了根据本申请的一个实施例的第一节点和第二节点之间传递回传信令的示意图;
图10示出了根据本申请的一个实施例的用于第一节点中的处理装置的结构框图;
图11示出了根据本申请的一个实施例的用于第二节点中的处理装置的结构框图。
下文将结合附图对本申请的技术方案作进一步详细说明,需要说明的是,在不冲突的情况下,本申请中的实施例和实施例中的特征可以任意相互组合。
实施例1
实施例1示例了根据本申请的一个实施例的监测下行控制信令的流程图,如附图1所示。在附图1所示的100中,每个方框代表一个步骤。
第一节点100在步骤101中接收第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;在步骤102中根据至少第一整数确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;在步骤103中在所述第一时域资源中监测下行控制信令;
实施例1中,所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
典型的,所述第一信令是广播的,所述下行控制信令是物理层信令。
作为一个实施例,所述第一信令是RRC信令。
作为一个实施例,所述第一信令是SIB(System Information Block,系统信息块)1。
作为一个实施例,所述第一信令是ssb-PositionsInBurst域(field)。
作为一个实施例,所述第二信令在RRC(Radio Resource Control,无线资源控制)层被生成。
作为一个实施例,所述第二信令是一个MAC(Medium Access Control,媒介接入控制)CE(Control Element,控制单元)。
作为一个实施例,所述第二信令是一个DCI(Downlink Control Information,下行控制信息)。
作为上述两个实施例的一个子实施例,所述第二信令指示至少一个TCI(Transmission Configuration Indicator,发送配置指示)状态(state)。
作为一个实施例,所述Q个SSB索引分别为1,2,…,Q。
作为一个实施例,所述Q个SSB索引分别为0,1,…,Q-1。
作为一个实施例,所述第一信令包括一个比特图,所述比特图中的Q个比特分别指示所述Q个SSB被发送;所述Q个SSB按照在所述Q个比特的位置依次对应所述Q个SSB索引。
典型的,所述Q个时域资源中的每个时域资源包括至少一个PDCCH监测时机(monitoring occasion)。
典型的,所述下行控制信令是DCI。
作为一个实施例,所述Q2小于所述Q,所述Q2个时域资源中的任一时域资源是所述Q个时域资源中之一。
作为上述实施例的一个子实施例,所述Q1小于所述Q,所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一。
作为上述实施例的一个子实施例,所述Q1个时域资源中的任一时域资源不属于所述Q2个时域资源。
作为上述实施例的一个子实施例,所述Q个时域资源由所述Q1个时域资源和所述Q2个时域资源组成。
作为上述实施例的一个子实施例,所述第二信令采用比特图的方式从所述Q个时域资源中指示所述Q1个时域资源。
作为上述实施例的一个子实施例,所述第二信令包括Q个比特,所述Q个比特分别指示所述Q个时域资源中的一个时域资源是否属于所述Q1个时域资源。
作为一个实施例,所述Q2个时域资源中的至少一个时域资源是所述Q个时域资源中一个时域资源的真子集。
作为上述实施例的一个子实施例,所述第一PCI标识的小区不是所述第一节点的服务小区,第二PCI 被用于标识所述第一节点的一个服务小区。
作为上述实施例的一个子实施例,所述第一PCI标识的小区未被配置ServCellIndex,第二PCI被用于标识所述第一节点的一个服务小区。
作为上述两个子实施例的一个实施例,所述第二PCI标识的服务小区上发送的TDD-UL-DL-ConfigCommon IE(Information Element,信息单元)被用于确定所述Q1个时域资源。
上述几个子实施例能避免在小区间的交叉链路(Cross-link)的干扰,提高传输效率。
作为一个实施例,所述TDD-UL-DL-ConfigCommon IE中配置为上行的任一符号不属于所述Q1个时域资源。
作为一个实施例,对于所述Q个时域资源中的任一PDCCH监测时机,如果与所述TDD-UL-DL-ConfigCommon IE中配置为上行的任一符号存在交叠,所述任一PDCCH监测时机不属于所述Q1个时域资源。
上述方法有利于所述第一节点通过所述第二PCI标识的小区接收下行控制信令,同时维持服务小区不变。
上述方法有利于所述第一节点通过所述第一PCI标识的小区接收下行控制信令,同时维持服务小区不变,实现较低协议层上的小区间移动(mobility)。
作为上述实施例的一个子实施例,所述Q2等于所述Q。
作为上述实施例的一个子实施例,所述Q1等于所述Q,所述Q1个时域资源是所述Q个时域资源。
作为上述实施例的一个子实施例,所述Q1个时域资源中的至少一个时域资源包括不属于所述Q2个时域资源的OFDM符号。
作为上述实施例的一个子实施例,所述第二信令采用比特图的方式从所述Q个时域资源的至少一个时域资源中指示所述Q1个时域资源。
作为上述实施例的一个子实施例,所述第二信令包括L个比特,所述L个比特分别指示所述Q个时域资源中的一个时域资源中的L个PDCCH监测时机是否属于所述Q1个时域资源中的一个时域资源。
作为上述实施例的一个子实施例,所述第二信令指示至少一个搜索空间被关联到所述第一PCI,所述行为监测下行控制信令在所述至少一个搜索空间中被执行。
作为一个实施例,所述行为监测下行控制信令包括根据CRC(Cyclic Redundancy Check,循环冗余校验)判断是否检测出所述下行控制信令。
作为一个实施例,所述行为监测下行控制信令包括根据CRC(Cyclic Redundancy Check,循环冗余校验)判断所述下行控制信令是否被发送。
作为一个实施例,所述行为监测下行控制信令包括根据能量检测判断是否检测出所述下行控制信令。
作为一个实施例,所述行为监测下行控制信令包括根据DMRS(DeModulation Reference Signal,解调参考信号)的想干检测判断是否检测出所述下行控制信令。
作为一个实施例,所述第一时域资源是所述第一时域资源池中的一个时域资源。
作为一个实施例,所述第一时域资源是所述第一时域资源池中的一个时域资源的一部分。
典型的,所述第二信令从所述Q个时域资源中指示所述Q2个时域资源。
典型的,所述第一时域资源的候选组成所述第一时域资源池。
典型的,根据至少第一整数从所述第一时域资源池中确定所述第一时域资源。
作为一个实施例,所述第一PCI标识的小区和所述第二PCI标识的小区被同一个基站维持。
实施例2
实施例2示例了根据本申请的一个实施例的网络架构的示意图,如附图2所示。
附图2说明了LTE(Long-Term Evolution,长期演进),LTE-A(Long-Term Evolution Advanced,增强长期演进)及未来5G系统的网络架构200。LTE,LTE-A及未来5G系统的网络架构200称为EPS(Evolved Packet System,演进分组系统)200。5G NR或LTE网络架构200可称为5GS(5G System)/EPS(Evolved Packet System,演进分组系统)200或某种其它合适术语。5GS/EPS 200可包括一个或一个以上UE(User Equipment,用户设备)201,一个与UE201进行副链路(Sidelink)通信的UE241,NG-RAN(下一代无线接 入网络)202,5GC(5G CoreNetwork,5G核心网)/EPC(Evolved Packet Core,演进分组核心)210,HSS(Home Subscriber Server,归属签约用户服务器)/UDM(Unified Data Management,统一数据管理)220和因特网服务230。5GS/EPS200可与其它接入网络互连,但为了简单未展示这些实体/接口。如附图2所示,5GS/EPS200提供包交换服务,然而所属领域的技术人员将容易了解,贯穿本申请呈现的各种概念可扩展到提供电路交换服务的网络。NG-RAN202包括NR(New Radio,新无线)节点B(gNB)203和其它gNB204。gNB203提供朝向UE201的用户和控制平面协议终止。gNB203可经由Xn接口(例如,回程)连接到其它gNB204。gNB203也可称为基站、基站收发台、无线电基站、无线电收发器、收发器功能、基本服务集合(BSS)、扩展服务集合(ESS)、TRP(发送接收点)或某种其它合适术语。gNB203为UE201提供对5GC/EPC210的接入点。UE201的实例包括蜂窝式电话、智能电话、会话起始协议(SIP)电话、膝上型计算机、个人数字助理(PDA)、卫星无线电、全球定位系统、多媒体装置、视频装置、数字音频播放器(例如,MP3播放器)、相机、游戏控制台、无人机、飞行器、窄带物理网设备、机器类型通信设备、陆地交通工具、汽车、可穿戴设备,或任何其它类似功能装置。所属领域的技术人员也可将UE201称为移动台、订户台、移动单元、订户单元、无线单元、远程单元、移动装置、无线装置、无线通信装置、远程装置、移动订户台、接入终端、移动终端、无线终端、远程终端、手持机、用户代理、移动客户端、客户端或某个其它合适术语。gNB203通过S1/NG接口连接到5GC/EPC210。5GC/EPC210包括MME(Mobility Management Entity,移动性管理实体)/AMF(Authentication Management Field,鉴权管理域)/SMF(Session Management Function,会话管理功能)211、其它MME/AMF/SMF214、S-GW(Service Gateway,服务网关)/UPF(User Plane Function,用户面功能)212以及P-GW(Packet Date Network Gateway,分组数据网络网关)/UPF213。MME/AMF/SMF211是处理UE201与5GC/EPC210之间的信令的控制节点。大体上MME/AMF/SMF211提供承载和连接管理。所有用户IP(Internet Protocal,因特网协议)包是通过S-GW/UPF212传送,S-GW/UPF212自身连接到P-GW/UPF213。P-GW提供UE IP地址分配以及其它功能。P-GW/UPF213连接到因特网服务230。因特网服务230包括运营商对应因特网协议服务,具体可包括因特网,内联网,IMS(IP Multimedia Subsystem,IP多媒体子系统)和包交换(Packet switching)服务。
作为一个实施例,本申请中的所述第一节点包括所述UE201。
作为一个实施例,本申请中的所述第二节点包括所述gNB203。
作为一个实施例,本申请中的第三节点包括所述gNB203。
作为一个实施例,本申请中的所述第一PCI标识的小区和所述第二PCI标识的小区都被所述gNB203维持。
作为一个实施例,所述UE201与所述gNB203之间的无线链路是蜂窝网链路。
作为一个实施例,所述第一信令和所述第二信令的发送者包括所述gNB203。
作为一个实施例,所述下行控制信令的发送者包括所述gNB204。
作为一个实施例,所述UE201支持以L1/L2为中心的小区间移动性。
作为一个实施例,所述UE201支持小区间多TRP。
作为一个实施例,所述gNB203支持以L1/L2为中心的小区间移动性。
作为一个实施例,所述gNB203支持小区间多TRP(Transmit/Receive Point,发送/接收点)。
作为一个实施例,所述gNB203支持全双工(Full Duplex Division)。
实施例3
实施例3示例了根据本申请的一个实施例的用户平面和控制平面的无线协议架构的实施例的示意图,如附图3所示。
实施例3示出了根据本申请的一个用户平面和控制平面的无线协议架构的实施例的示意图,如附图3所示。图3是说明用于用户平面350和控制平面300的无线电协议架构的实施例的示意图,图3用三个层展示用于第一通信节点设备(UE,gNB或V2X中的RSU)和第二通信节点设备(gNB,UE或V2X中的RSU)之间,或者两个UE之间的控制平面300的无线电协议架构:层1、层2和层3。层1(L1层)是最低层且实施各种PHY(物理层)信号处理功能。L1层在本文将称为PHY301。层2(L2层)305在PHY301之上,负责第一通信节点设备与第二通信节点设备之间,或者两个UE之间的链路。L2层305包括MAC(Medium Access Control,媒体接入控制)子层302、RLC(Radio Link Control,无线链路层控制协议)子层303和PDCP(Packet Data Convergence Protocol,分组数据汇聚协议)子层304,这些子层终止于第二通信节点设备处。PDCP子层304提供不同无线电承载与逻辑信道之间的多路复用。PDCP子层304还提供通过加密数据包而提供安全性,以及提供第二通信节点设备之间的对第一通信节点设备的越区移动支持。RLC子层303提供上部层数据包的分段和重组装,丢失数据包的重新发射以及数据包的重排序以补偿由于HARQ造成的无序接收。MAC子层302提供逻辑与传输信道之间的多路复用。MAC子层302还负责在第一通信节点设备之间分配一个小区中的各种无线电资源(例如,资源块)。MAC子层302还负责HARQ操作。控制平面300中的层3(L3层)中的RRC(Radio Resource Control,无线电资源控制)子层306负责获得无线电资源(即,无线电承载)且使用第二通信节点设备与第一通信节点设备之间的RRC信令来配置下部层。用户平面350的无线电协议架构包括层1(L1层)和层2(L2层),在用户平面350中用于第一通信节点设备和第二通信节点设备的无线电协议架构对于物理层351,L2层355中的PDCP子层354,L2层355中的RLC子层353和L2层355中的MAC子层352来说和控制平面300中的对应层和子层大体上相同,但PDCP子层354还提供用于上部层数据包的标头压缩以减少无线电发射开销。用户平面350中的L2层355中还包括SDAP(Service Data Adaptation Protocol,服务数据适配协议)子层356,SDAP子层356负责QoS流和数据无线承载(DRB,Data Radio Bearer)之间的映射,以支持业务的多样性。虽然未图示,但第一通信节点设备可具有在L2层355之上的若干上部层,包括终止于网络侧上的P-GW处的网络层(例如,IP层)和终止于连接的另一端(例如,远端UE、服务器等等)处的应用层。
作为一个实施例,附图3中的无线协议架构适用于本申请中的所述第一节点。
作为一个实施例,附图3中的无线协议架构适用于本申请中的所述第二节点。
作为一个实施例,所述第一信令生成于所述RRC子层306,所述下行控制信令生成于所述PHY301。
作为一个实施例,所述第二信令生成于所述PHY子层306。
作为一个实施例,所述第二信令生成于所述MAC子层302。
作为一个实施例,所述第二信令生成于所述PHY301。
作为一个实施例,第三信令生成于所述MAC子层302。
作为一个实施例,第三信令生成于所述PHY301。
实施例4
实施例4示例了根据本申请的一个实施例的第一通信设备和第二通信设备的示意图,如附图4所示。附图4是在接入网络中相互通信的第一通信设备410以及第二通信设备450的框图。
第一通信设备410包括控制器/处理器475,存储器476,接收处理器470,发射处理器416,多天线接收处理器472,多天线发射处理器471,发射器/接收器418和天线420。
第二通信设备450包括控制器/处理器459,存储器460,数据源467,发射处理器468,接收处理器456,多天线发射处理器457,多天线接收处理器458,发射器/接收器454和天线452。
在从所述第一通信设备410到所述第二通信设备450的传输中,在所述第一通信设备410处,来自核心网络的上层数据包被提供到控制器/处理器475。控制器/处理器475实施L2层的功能性。在DL中,控制器/处理器475提供标头压缩、加密、包分段和重排序、逻辑与传输信道之间的多路复用,以及基于各种优先级量度对第二通信设备450的无线电资源分配。控制器/处理器475还负责HARQ操作、丢失包的重新发射,和到第二通信设备450的信令。发射处理器416和多天线发射处理器471实施用于L1层(即,物理层)的各种信号处理功能。发射处理器416实施编码和交错以促进第二通信设备450处的前向错误校正(FEC),以及基于各种调制方案(例如,二元相移键控(BPSK)、正交相移键控(QPSK)、M相移键控(M-PSK)、M正交振幅调制(M-QAM))的星座映射。多天线发射处理器471对经编码和调制后的符号进行数字空间预编码,包括基于码本的预编码和基于非码本的预编码,和波束赋型处理,生成一个或多个并行流。发射处理器416随后将每一并行流映射到子载波,将调制后的符号在时域和/或频域中与参考信号(例如,导频)复用,且随后使用快速傅立叶逆变换(IFFT)以产生载运时域多载波符号流的物理信道。随后多天线发射处理器471对时域多载波符号流进行发送模拟预编码/波束赋型操作。每一发射器418把多天线发射处理器471提供的基带多载波符号流转化成射频流,随后提供到不同天线420。
在从所述第一通信设备410到所述第二通信设备450的传输中,在所述第二通信设备450处,每一接收器454通过其相应天线452接收信号。每一接收器454恢复调制到射频载波上的信息,且将射频流转化成基带多载波符号流提供到接收处理器456。接收处理器456和多天线接收处理器458实施L1层的各种信号处理功能。多天线接收处理器458对来自接收器454的基带多载波符号流进行接收模拟预编码/波束赋型操作。接收处理器456使用快速傅立叶变换(FFT)将接收模拟预编码/波束赋型操作后的基带多载波符号流从时域转换到频域。在频域,物理层数据信号和参考信号被接收处理器456解复用,其中参考信号将被用于信道估计,数据信号在多天线接收处理器458中经过多天线检测后恢复出以第二通信设备450为目的地的任何并行流。每一并行流上的符号在接收处理器456中被解调和恢复,并生成软决策。随后接收处理器456解码和解交错所述软决策以恢复在物理信道上由第一通信设备410发射的上层数据和控制信号。随后将上层数据和控制信号提供到控制器/处理器459。控制器/处理器459实施L2层的功能。控制器/处理器459可与存储程序代码和数据的存储器460相关联。存储器460可称为计算机可读媒体。在DL中,控制器/处理器459提供传输与逻辑信道之间的多路分用、包重组装、解密、标头解压缩、控制信号处理以恢复来自核心网络的上层数据包。随后将上层数据包提供到L2层之上的所有协议层。也可将各种控制信号提供到L3以用于L3处理。控制器/处理器459还负责使用确认(ACK)和/或否定确认(NACK)协议进行错误检测以支持HARQ操作。
在从所述第二通信设备450到所述第一通信设备410的传输中,在所述第二通信设备450处,使用数据源467来将上层数据包提供到控制器/处理器459。数据源467表示L2层之上的所有协议层。类似于在DL中所描述第一通信设备410处的发送功能,控制器/处理器459基于第一通信设备410的无线资源分配来实施标头压缩、加密、包分段和重排序以及逻辑与传输信道之间的多路复用,实施用于用户平面和控制平面的L2层功能。控制器/处理器459还负责HARQ操作、丢失包的重新发射,和到所述第一通信设备410的信令。发射处理器468执行调制映射、信道编码处理,多天线发射处理器457进行数字多天线空间预编码,包括基于码本的预编码和基于非码本的预编码,和波束赋型处理,随后发射处理器468将产生的并行流调制成多载波/单载波符号流,在多天线发射处理器457中经过模拟预编码/波束赋型操作后再经由发射器454提供到不同天线452。每一发射器454首先把多天线发射处理器457提供的基带符号流转化成射频符号流,再提供到天线452。
在从所述第二通信设备450到所述第一通信设备410的传输中,所述第一通信设备410处的功能类似于在从所述第一通信设备410到所述第二通信设备450的传输中所描述的所述第二通信设备450处的接收功能。每一接收器418通过其相应天线420接收射频信号,把接收到的射频信号转化成基带信号,并把基带信号提供到多天线接收处理器472和接收处理器470。接收处理器470和多天线接收处理器472共同实施L1层的功能。控制器/处理器475实施L2层功能。控制器/处理器475可与存储程序代码和数据的存储器476相关联。存储器476可称为计算机可读媒体。控制器/处理器475提供传输与逻辑信道之间的多路分用、包重组装、解密、标头解压缩、控制信号处理以恢复来自第二通信设备450的上层数据包。来自控制器/处理器475的上层数据包可被提供到核心网络。控制器/处理器475还负责使用ACK和/或NACK协议进行错误检测以支持HARQ操作。
作为一个实施例,所述第二通信设备450包括:至少一个处理器以及至少一个存储器,所述至少一个存储器包括计算机程序代码;所述至少一个存储器和所述计算机程序代码被配置成与所述至少一个处理器一起使用。所述第二通信设备450装置至少:接收第一信令和第二信令;根据至少第一整数确定第一时域资源;在所述第一时域资源中监测下行控制信令。
作为一个实施例,所述第二通信设备450包括:一种存储计算机可读指令程序的存储器,所述计算机可读指令程序在由至少一个处理器执行时产生动作,所述动作包括:接收第一信令和第二信令;根据至少第一整数确定第一时域资源;在所述第一时域资源中监测下行控制信令。
作为一个实施例,所述第一通信设备410包括:至少一个处理器以及至少一个存储器,所述至少一个存储器包括计算机程序代码;所述至少一个存储器和所述计算机程序代码被配置成与所述至少一个处理器一起使用。所述第一通信设备410装置至少:发送第一信令和第二信令。
作为一个实施例,所述第一通信设备410包括:一种存储计算机可读指令程序的存储器,所述计算机可读指令程序在由至少一个处理器执行时产生动作,所述动作包括:发送第一信令和第二信令。
作为一个实施例,本申请中的所述第一节点包括所述第二通信设备450。
作为一个实施例,本申请中的所述第二节点包括所述第一通信设备410。
作为一个实施例,{所述天线452,所述接收器454,所述接收处理器456,所述多天线接收处理器458,所述控制器/处理器459,所述存储器460,所述数据源467}中至少之一被用于接收所述第一信令和所述第二信令;{所述天线420,所述发射器418,所述发射处理器416,所述多天线发射处理器471,所述控制器/处理器475,所述存储器476}中的至少之一被用于发送所述第一信令和所述第二信令。
作为一个实施例,{所述天线452,所述接收器454,所述接收处理器456,所述多天线接收处理器458,所述控制器/处理器459,所述存储器460,所述数据源467}中至少之一被用于根据至少第一整数确定第一时域资源;。
作为一个实施例,{所述天线452,所述接收器454,所述接收处理器456,所述多天线接收处理器458,所述控制器/处理器459,所述存储器460,所述数据源467}中至少之一被用于在所述第一时域资源中监测下行控制信令。
作为一个实施例,{所述天线420,所述发射器418,所述发射处理器416,所述多天线发射处理器471,所述控制器/处理器475,所述存储器476}中的至少之一被用于在所述第一时域资源中发送下行控制信令。
实施例5
实施例5示例了根据本申请的一个实施例的无线传输的流程图,如附图5所示。在附图5中,方框F1和方框F2中的步骤分别是可选的。
对于第一节点U1,在步骤S100中接收第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;在步骤S101中接收第三信令,所述第三信令被用于确定所述第一时域资源池是第一候选池还是第二候选池;在步骤S102中根据至少第一整数确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;在步骤S103中在所述第一时域资源中监测下行控制信令;
对于第二节点U2,在步骤S200中发送所述第一信令和所述第二信令;在步骤S201中发送所述第三信令;在步骤S202中发送所述下行控制信令;
实施例5中,所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
典型的,所述Q个时域资源分别容纳Q个CSS(Common search space,公共搜索空间)集合(set)组,所述Q个CSS集合组中的每个CSS集合组中包括至少一个CSS集合。
作为一个实施例,所述第一时域资源池包括多个时间片,所述多个时间片按照时间顺序被依次索引;对于所述多个时间片中的任一时间片,如果所述任一时间片的索引与f(第一整数)相等,所述任一时间片属于所述第一时域资源,如果所述任一时间片的索引与f(第一整数)不相等,所述任一时间片不属于所述第一时域资源;所述f(第一整数)是一个函数,所述f(第一整数)的输入包括至少所述第一整数。
作为一个实施例,所述多个时间片的索引依次为0,1,2,…。
作为一个实施例,所述多个时间片的索引依次为1,2,…。
作为一个实施例,所述多个时间片中的每个时间片包括至少一个多载波符号。
作为一个实施例,所述多个时间片中的任意两个时间片所包括的多载波符号的数量相同。
作为一个实施例,所述多个时间片中的任意一个时间片是一个PDCCH监测时机。
作为一个实施例,所述多个时间片中的任意一个时间片是一个时隙(slot)。
作为一个实施例,所述f(第一整数)是线性的。
作为一个实施例,所述f(第一整数)的输出包括多个值,如果所述第一时间片的索引与所述多个值中的任一值相等,所述任一时间片属于所述第一时域资源。
作为一个实施例,所述f(第一整数)的输入还包括x,x是从0到X-1的正整数,所述X是由更高层信令配置的。
作为一个实施例,所述时间片是PDCCH监测时机,所述f(第一整数)为[x*Q+第一整数];所述x=0,1,…,X-1,所述X是可配置的。
作为一个实施例,所述下行控制信令被P-RNTI(Paging RNTI,寻呼RNTI)标识,所述第一时域资源池属于一个PO(Paging Occasion,寻呼时机)。
作为上述实施例的一个子实施例,所述X是由nrofPDCCH-MonitoringOccasionPerSSB-InPO指示的。
作为一个实施例,所述下行控制信令被SI-RNTI(System Information RNTI,系统信息RNTI)标识,所述第一时域资源池属于一个SI-window。
作为上述实施例的一个子实施例,所述X为CEIL(所述一个SI-window中的PDCCH监测时机的数量/Q),所述CEIL为向上取整函数。
作为一个实施例,所述一个SI-window是schedulingInfoList中的任一条目(entry)的SI message所占用的SI-window。
作为一个实施例,所述schedulingInfoList属于SIB1的si-SchedulingInfo。
作为一个实施例,所述第二信令指示所述Q个SSB索引中的Q2个SSB索引,所述Q2个SSB索引分别被用于确定所述Q2个时域资源。
作为上述实施例的一个子实施例,所述第一时域资源是所述第一时域资源池中的一个时域资源。
作为上述实施例的一个子实施例,所述Q2个时域资源中的任一时域资源是所述Q个时域资源中之一。
典型的,所述第一时域资源是所述第一时域资源池中被所述第一整数确定的一个时域资源。
作为一个实施例,至少对于所述第一节点U1,所述Q2个SSB索引对应的SSB被认为未实际发送。
上述方法的优越性包括:和传统UE保持良好的兼容性,同时释放了Q2个SSB以及所关联的PDCCH监测时机。
作为上述实施例的一个子实施例,所述第二信令被用于指示至少所述第一节点U1所述Q2个SSB索引对应的SSB未被实际发送。
作为上述实施例的一个子实施例,所述第二信令被用于指示至少所述第一节点U1放弃利用所述Q2个SSB索引对应的SSB进行小区搜索。
作为上述实施例的一个子实施例,对于传统UE,所述Q2个SSB索引对应的SSB被认为实际发送。
典型的,所述传统UE不能识别所述第二信令。
作为一个实施例,所述传统UE包括至少支持3GPP Release 15的UE和支持3GPP Release16的UE。
作为一个实施例,所述传统UE包括3GPP Release 17的UE。
作为一个实施例,对于所述Q2个时域资源中任一时域资源,所述Q个时域资源中包括一个相应的时域资源;所述第二信令被用于从所述一个相应的时域资源中指示所述任一时域资源。
作为上述实施例的一个子实施例,时域资源#i(i=0,1,2,…,Q2-1)是所述Q2个时域资源中任一时域资源,所述Q个时域资源中的时域资源#j与所述时域资源#i对应;所述时域资源#j包括PDCCH监测时机#0,#1,#2,…;所述第二信令从所述时域资源#j所包括的PDCCH监测时机中指示属于所述时域资源#i的监测时机。
作为一个实施例,所述第二信令采用比特图的方式指示所述时域资源#j所包括的PDCCH监测时机中的每个PDCCH监测时机是否属于所述时域资源#i。
作为上述实施例的一个子实施例,所述Q2个时域资源分别与所述Q个时域资源中的Q2个不同的时域资源一一对应。
典型的,所述第三信令在RRC(Radio Resource Control,无线资源控制)层之下的协议层被生成。
作为一个实施例,所述第三信令是一个MAC(Medium Access Control,媒介接入控制)CE(Control Element,控制单元)。
作为一个实施例,所述第三信令是一个DCI(Downlink Control Information,下行控制信息)。
作为一个实施例,所述第三信令指示至少一个搜索空间被关联到所述第一PCI,所述行为监测下行控制信令在所述至少一个搜索空间中被执行。
作为一个实施例,所述第三信令指示至少一个搜索空间从被关联到所述第一PCI切换为被关联到第二PCI,所述行为监测下行控制信令在所述至少一个搜索空间中被执行;所述第一PCI与所述第二PCI不同。
作为上述实施例的一个子实施例,所述Q2小于所述Q,所述Q2个时域资源中的任一时域资源是所述Q个时域资源中之一。
作为上述实施例的一个子实施例,所述Q1小于所述Q,所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一。
作为一个实施例,当用于一个搜索空间中的PDCCH接收的TCI状态被指示为与被一个PCI所标识的SSB QCL(Quasi co-location,半共址)时,所述一个搜索空间被关联到所述一个PCI。
作为一个实施例,当用于一个CORESET(Control resource set,控制资源集合)中的PDCCH接收的TCI状态被指示为与被一个PCI所标识的SSB QCL(Quasi co-location,半共址)时,所述一个CORESET对应的一个搜索空间被关联到所述一个PCI。
作为一个实施例,当用于一个搜索空间中的PDCCH接收的TCI状态被指示为与一个CSI-RS(Channel State Information-Reference Signal,信道状态信息参考信号)资源QCL并且所述一个CSI-RS资源与被一个PCI所标识的SSB QCL(Quasi co-location,半共址)时,所述一个搜索空间被关联到所述一个PCI。
作为一个实施例,当用于一个CORESET(Control resource set,控制资源集合)中的PDCCH接收的TCI状态被指示为与一个CSI-RS资源QCL并且所述一个CSI-RS资源与被一个PCI所标识的SSB QCL(Quasi co-location,半共址)时,与所述一个CORESET相关联的一个搜索空间被关联到所述一个PCI。
作为一个实施例,所述Q2小于所述Q,所述Q2个时域资源中的任一时域资源是所述Q个时域资源中之一。
作为上述实施例的一个子实施例,所述Q1小于所述Q,所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一。
作为上述实施例的一个子实施例,所述第三信令指示至少一个搜索空间从被关联到所述第一PCI切换为被关联到第二PCI,所述行为监测下行控制信令在所述至少一个搜索空间中被执行;所述第一PCI与所述第二PCI不同。
作为上述子实施例的一个实施例,所述第一PCI标识的小区是所述第一节点的服务小区,所述第二PCI标识的小区未被配置ServCellIndex。
上述方法有利于所述第一节点通过所述第二PCI标识的小区接收下行控制信令,同时维持服务小区不变,实现较低协议层上的小区间移动(mobility)。
作为一个实施例,对于所述Q个时域资源中的任一PDCCH监测时机,如果与所述TDD-UL-DL-ConfigCommon IE中配置为上行的任一符号存在交叠,所述任一PDCCH监测时机不属于所述Q1个时域资源;所述第二PCI标识的小区是所述第一节点的服务小区,所述第三信令指示至少一个搜索空间被关联到所述第一PCI,所述行为监测下行控制信令在所述至少一个搜索空间中被执行。
作为上述子实施例的一个实施例,所述第一PCI标识的小区未被配置ServCellIndex。
作为一个实施例,所述第一时域资源池是第一候选池还是第二候选池与第一RNTI有关,所述下行控制信令被所述第一RNTI标识。
作为一个实施例,所述下行控制信令被所述第一RNTI标识包括:所述第一RNTI被用于对所述下行控制信令的CRC进行扰码。
作为一个实施例,所述下行控制信令被所述第一RNTI标识包括:所述第一RNTI被用于生成所述下行控制信令的DMRS(DeModulation Reference Signal,解调参考信号)的RS序列。
作为一个实施例,所述下行控制信令被所述第一RNTI标识包括:所述第一RNTI被用于确定所述下行控制信令所占用的时频资源。
典型的,当所述第一RNTI属于第一类RNTI时,所述第一时域资源池是所述第一候选资源池;当所述第一RNTI属于第二类RNTI时,所述第一时域资源池是所述第二候选资源池。
典型的,当所述第一RNTI属于第一类RNTI时,所述第一时域资源池是所述第一候选资源池;当所述第一RNTI属于第二类RNTI时,所述第三信令指示所述第一时域资源池是所述第一时域资源池还是所述第二候选资源池。
作为一个实施例,所述第一类RNTI包括P-RNTI。
作为上述实施例的一个子实施例,所述第二类RNTI包括C-RNTI。
作为上述实施例的一个子实施例,所述第二类RNTI包括通过UE专有(Dedicated)信令配置的RNTI。
作为上述实施例的一个子实施例,所述第二类RNTI包括P-RNTI之外的其他RNTI。
作为一个实施例,所述第一类RNTI包括SI-RNTI。
作为一个实施例,所述第一类RNTI包括RA(随机接入)-RNTI。
作为一个实施例,所述第一类RNTI包括MsgB-RNTI。
作为一个实施例,所述第二类RNTI包括MCS-RNTI。
作为一个实施例,所述第二类RNTI包括C-RNTI。
作为上述实施例的一个子实施例,所述第二类RNTI包括C-RNTI(Cell Radio Network Temporary Identifier,小区无线网络暂定身份),MCS-C-RNTI,SP(Semi-Persistent,半持续)-CSI-RNTI和CS(Configured Scheduling,配置调度)-RNTI。
作为一个实施例,所述第一时域资源池是第一候选池还是第二候选池与容纳所述下行控制信令所占用的搜索空间的类型有关。
典型的,当所述下行控制信令所占用的所述搜索空间的所述类型属于第一搜索空间类型集合中的一种搜索空间类型时,所述第一时域资源池是所述第一候选资源池;当所述下行控制信令所占用的所述搜索空间的所述类型属于第二搜索空间类型集合中的一种搜索空间类型时,所述第一时域资源池是所述第二候选资源池。
典型的,当所述下行控制信令所占用的所述搜索空间的所述类型属于第一搜索空间类型集合中的一种搜索空间类型时,所述第一时域资源池是所述第一候选资源池;当所述下行控制信令所占用的所述搜索空间的所述类型属于第二搜索空间类型集合中的一种搜索空间类型时,所述第三信令指示所述第一时域资源池是所述第一时域资源池还是所述第二候选资源池。
作为一个实施例,所述第一搜索空间类型集合包括至少USS(UE-specific search space,UE特定搜索空间)集合(set)一种搜索空间类型。
作为一个实施例,所述第一搜索空间类型集合包括至少Type0-PDCCH CSS set一种搜索空间类型。
作为一个实施例,所述第一搜索空间类型集合包括至少Type0-PDCCH CSS set和USS set两种搜索空间类型。
作为一个实施例,所述第二搜索空间类型集合包括至少Type2(类型2)-PDCCH CSS set一种搜索空间类型。
作为一个实施例,所述第二搜索空间类型集合包括至少Type2-PDCCH CSS set和Type3-PDCCH CSS set两种搜索空间类型。
作为一个实施例,所述第一时域资源池是第一候选池还是第二候选池与容纳所述下行控制信令的所占用的CORESET有关。
典型的,当所述下行控制信令所占用的所述CORESET属于第一CORESET集合中的一种CORESET时,所述第一时域资源池是所述第一候选资源池;当所述下行控制信令所占用的所述CORESET属于第二CORESET集合中的一种CORESET时,所述第一时域资源池是所述第二候选资源池。
典型的,当所述下行控制信令所占用的所述CORESET属于第一CORESET集合中的一种CORESET时,所述第一时域资源池是所述第一候选资源池;当所述下行控制信令所占用的所述CORESET属于第二CORESET集合中的一种CORESET时,所述第三信令指示所述第一时域资源池是所述第一时域资源池还是所述第二候选资源池。
作为一个实施例,不存在一个CORESET同时属于所述第一CORESET集合和所述第二CORESET集合。
作为一个实施例,所述第一CORESET集合和所述第二CORESET集合中的任一CORESET被配置给所述第一节点U1。
作为一个实施例,所述第一CORESET集合中的所有的CORESET的coresetPoolIndex为第一值,所述第二CORESET集合中的所有的CORESET的coresetPoolIndex为第二值;所述第一值与所述第二值不同。
作为一个实施例,所述第一值为0,所述第二值为1。
作为一个实施例,所述第一值和所述第二值分别为不大于8的非负整数。
作为一个实施例,所述第一CORESET集合包括至少CORESET#0。
作为一个实施例,所述第二CORESET集合包括所述第一节点U1被配置的且除了所述第一CORESET集合之外的所有的CORESET。
作为一个实施例,所述第一节点U1是一个UE,所述第二节点U2是一个基站。
作为上述实施例的一个子实施例,所述第三信令的发送者是第一小区,所述下行控制信令的发送者是第二小区,所述第一小区和所述第二小区都由所述第二节点U2维持。
作为一个实施例,所述第一信令和所述第二信令的发送者是所述第一小区。
作为一个实施例,所述第一信令和所述第二信令的发送者是所述第二小区。
实施例6
实施例6示例了根据本申请的一个实施例的第一节点与第一小区和第二小区通信的示意图,如附图6所示。
第一节点U3在步骤S300中接收Q1个SSB;可选的,第一节点U3在步骤S300中接收Q3个SSB;第一节点U3在步骤S301中在第一时域资源中监测下行控制信令;
第一小区U4在步骤S400中发送Q1个SSB;
可选的,第二小区U5在步骤S500中发送Q3个SSB;第二小区U5在步骤S501中在第一时域资源中发送下行控制信令。
实施例6中,所述Q3个SSB分别对应Q3个SSB索引。
作为一个实施例,所述Q3个SSB索引中任一SSB索引是不大于63的非负整数。
作为一个实施例,所述Q3个SSB索引中任一SSB索引是不大于64的正整数。
作为一个实施例,所述第二信令指示Q个SSB索引中的Q2个SSB索引,第三信令指示一个SSB索引;如果所述一个SSB索引是所述Q1个SSB索引中之一,所述第一时域资源池是第一候选池,所述第一整数是所述一个SSB索引;如果所述一个SSB索引是所述Q3个SSB索引中之一,所述第一时域资源池是第二候选池,所述一个SSB索引被用于计算所述第一整数,所述第一整数是所述Q2个SSB索引中之一。
作为一个实施例,所述一个SSB索引被用于计算所述第一整数包括:所述第一整数为Mod(所述一个SSB索引,Q2)。
作为一个实施例,所述一个SSB索引被用于计算所述第一整数包括:所述Q3个SSB索引按照大小依次排序,所述第一整数为Mod(所述一个SSB索引在排序后的所述Q3个SSB索引中的位置,Q2)。
作为一个实施例,至少所述第一节点U3假定所述Q2个SSB索引对应的SSB未被所述第一小区U4发送。
典型的,所述第一小区U4和所述第二小区U5都由第二节点维持;本申请的所述第一信令是SIB(System Information Block,系统信息块)1;本申请的所述第二信令在RRC层被生成;本申请的所述第三信令是一个MAC CE,或者是一个DCI。
作为一个实施例,所述第一小区U4是所述第一节点U3的服务小区,所述第二小区U5未被配置ServCellIndex。
作为上述实施例的一个子实施例,所述Q1小于所述Q,所述Q2小于本申请中的所述Q,所述Q个时域资源由所述Q1个时域资源和所述Q2个时域资源组成。
作为上述实施例的一个子实施例,所述Q1等于所述Q,所述Q1个时域资源是所述Q个时域资源;所述Q2小于本申请中的所述Q,所述Q2个时域资源中的任一时域资源是所述Q个时域资源中之一。
作为一个实施例,所述第二小区U5是所述第一节点U3的服务小区,所述第一小区U4未被配置ServCellIndex。
作为上述实施例的一个子实施例,所述Q2个时域资源中的至少一个时域资源是所述Q个时域资源中一个时域资源的真子集。
作为一个实施例,所述Q1个SSB和所述Q3个SSB在同一个BWP(Bandwidth Part,带宽区间)上 被发送。
作为一个实施例,所述Q1个SSB和所述Q3个SSB在同一个载波(Carrier)上被发送。
作为一个实施例,第一PCI被用于生成所述Q1个SSB,第二PCI被用于生成所述Q3个SSB。
作为一个实施例,第二PCI被用于生成所述Q1个SSB,第一PCI被用于生成所述Q3个SSB。
实施例7
实施例7示例了根据本申请的一个实施例的第一时域资源池的示意图;如附图7所示。附图7中,一个小方格代表第一时域资源池中的一个PDCCH监测时机,其中灰色填充的小方格属于第一时域资源。
作为一个实施例,第一节点对下行控制信令的监测是周期性执行的,所述第一时域资源池是由一个周期内的能被所述下行控制信令占用的所有PDCCH监测时机组成。
作为一个实施例,一个PDCCH监测时机属于一个时隙。
作为一个实施例,一个PDCCH监测时机属于一个Span(跨度)。
作为一个实施例,所述第一时域资源中的任意两个相邻的PDCCH监测时机中间间隔的属于所述第一时域资源池的PDCCH监测时机的数量是相同的。
作为一个实施例,所述一个周期是第一小区的一个PO,所述第一小区被第一PCI标识。
作为一个实施例,所述一个周期是第一小区的一个SI-window,所述第一小区被第一PCI标识。
作为一个实施例,当所述第一时域资源池是所述第一候选池时,所述能被所述下行控制信令占用的所有PDCCH监测时机不包括被第一小区发送的tdd-UL-DL-ConfigurationCommon配置为上行的OFDM符号存在交叠的PDCCH监测时机,所述第一小区被第一PCI标识;被第二小区发送的tdd-UL-DL-ConfigurationCommon不被第一节点用于确定所述能被所述下行控制信令占用的所有PDCCH监测时机,所述第二小区被第二PCI标识。
作为一个实施例,所述第一小区和所述第二小区都能为所述第一节点发送数据。
作为一个实施例,所述第一小区和所述第二小区都能接收来自所述第一节点的数据。
作为一个实施例,第一RNTI被用于标识所述下行控制信令,当所述第一节点在一个PDCCH监测时机中针对所述第一RNTI执行盲译码时,所述一个PDCCH监测时机能被所述下行控制信令占用。
作为一个实施例,第一RNTI被用于标识所述下行控制信令,当所述第一节点在一个PDCCH监测时机中未针对所述第一RNTI执行盲译码时,所述一个PDCCH监测时机不能被所述下行控制信令占用。
实施例8
实施例8示例了根据本申请的一个实施例的第一节点的小区覆盖状况的示意图;如附图8所示。
作为一个实施例,所述第一节点的RRC层终止到被所述参考PCI所标识的所述小区。
作为一个实施例,所述第一节点的PDCP(Packet Data Convergence Protocol,分组数据汇聚协议)层终止到被所述参考PCI所标识的所述小区。
作为一个实施例,所述第一节点的RLC(Radio Link Control,无线链路层控制协议)层终止到被所述参考PCI所标识的所述小区。
作为一个实施例,所述第一节点的MAC子层终止到被所述参考PCI所标识的所述小区。
作为一个实施例,被所述参考PCI所标识的所述小区是一个物理小区。
作为一个实施例,被所述参考PCI所标识的所述小区是所述第一节点的服务小区。
作为一个实施例,被所述目标PCI所标识的所述小区是一个物理小区。
作为一个实施例,被所述目标PCI所标识的所述小区是所述第一节点的服务小区。
作为一个实施例,被所述目标PCI所标识的所述小区不是所述第一节点的服务小区。
作为一个实施例,被所述目标PCI所标识的所述小区在被所述参考PCI所标识的所述小区之上提供额外的资源。
作为一个实施例,被所述目标PCI所标识的所述小区是被配置的一个用于L1/L2 mobility的候选小区。
作为一个实施例,被所述目标PCI所标识的所述小区和被所述参考PCI所标识的所述小区是同频的。
作为一个实施例,被所述目标PCI所标识的所述小区和被所述参考PCI所标识的所述小区是异频的。
作为一个实施例,被所述目标PCI所标识的所述小区是针对被所述参考PCI所标识的所述小区配置的移动管理小区。
作为一个实施例,当所述第一节点利用被所述目标PCI所标识的所述小区传输数据时,所述第一节点的服务小区保持不变。
作为该实施例的一个子实施例,所述短语服务小区保持不变的意思包括:RRC层,PDCP层,RLC层,MAC子层或者PHY层中的至少之一的协议栈(protocol stack)不需要重定位(relocation)。
作为该实施例的一个子实施例,所述短语服务小区保持不变的意思包括:RRC连接保持不变。
作为该实施例的一个子实施例,所述短语服务小区保持不变的意思包括:服务小区标识保持不变。
作为该实施例的一个子实施例,所述短语服务小区保持不变的意思包括:ServingCellConfigCommon和/或ServingCellConfigCommonSIB配置中的全部或者部分配置保持不变。
作为一个实施例,不同的RNTI被用于确定所述第一节点在被所述目标PCI所标识的所述小区中发送或接收的物理层信道的扰码序列和在被所述参考PCI所标识的所述小区中发送或接收的物理层信道的扰码序列。
作为上述实施例的一个子实施例,所述物理层信道包括PDCCH,PDSCH,PUCCH(Physical Uplink Control Channel,物理上行控制信道)或PUSCH(Physical Uplink Shared CHannel,物理上行共享信道)中的一种或多种。
作为一个实施例,所述第一节点在被所述目标PCI所标识的所述小区中接收的PDCCH的CRC和在被所述参考PCI所标识的所述小区中接收的PDCCH的CRC被不同的RNTI加扰。
作为一个实施例,本申请中的所述第一PCI是所述参考PCI,本申请中的所述第二PCI是所述目标PCI。
作为一个实施例,本申请中的所述第二PCI是所述参考PCI,本申请中的所述第一PCI是所述目标PCI。
实施例9
实施例9示例了根据本申请的一个实施例的第一节点和第二节点之间传递回传信令的示意图;如附图9所示。附图9描述了一种全双工的工作方式,附图9中的第一回传信令和第二回传信令都是通过空中接口发送的。
典型的,第二节点N2与第三节点N3分别是一个基站。
作为一个实施例,所述第一回传信令的发送在时间上与所述第二节点N2的上行接收(如箭头A21所示)存在交叠,所述第一回传信令的接收在时间上与所述第三节点N3的上行接收(如箭头A31所示)存在交叠;既所述第二节点N2采用全双工的方式发送所述第一回传信令。
作为一个实施例,所述第一回传信令的发送在时间上与所述第二节点N2的下行发送(如箭头A22所示)存在交叠,所述第一回传信令的接收在时间上与所述第三节点N3的下行发送(如箭头A32所示)存在交叠;既所述第三节点N3采用全双工的方式发送所述第一回传信令。
作为一个实施例,所述第二回传信令的接收在时间上与所述第二节点N2的上行接收(如箭头A21所示)存在交叠,所述第二回传信令的发送在时间上与所述第三节点N3的上行接收(如箭头A31所示)存在交叠;既所述第三节点N3采用全双工的方式发送所述第一回传信令。
作为一个实施例,所述第二回传信令的接收在时间上与所述第二节点N2的下行发送(如箭头A22所示)存在交叠,所述第二回传信令的发送在时间上与所述第三节点N3的下行发送(如箭头A32所示)存在交叠;既所述第二节点N2采用全双工的方式发送所述第一回传信令。
作为一个实施例,Q2个SSB索引分别对应Q2个SSB,为所述Q2个SSB预留的空口资源被分配给所述第一回传信令或者所述第二回传信令,用于基站间的信息交互;本申请能避免第一节点针对所述Q2个SSB进行测量;同时,本实施例允许所述第一节点在被关联到所述Q2个SSB的PDCCH监测时机上接收下行控制信令,避免了时频资源的浪费,提高了传输效率。
实施例10
实施例10示例了根据本申请的一个实施例的用于第一节点中的处理装置的结构框图;如附图10所示。在附图10中,第一节点中的处理装置1000包括第一接收机1001。
在实施例10中,第一接收机1001接收第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;根据至少第一整数确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;在所述第一时域资源中监测下行控制信令;
实施例10中,所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
作为一个实施例,所述第一接收机1001接收第三信令,所述第三信令被用于确定所述第一时域资源池是第一候选池还是第二候选池。
作为一个实施例,所述第二信令指示所述Q个SSB索引中的Q2个SSB索引,所述Q2个SSB索引分别被用于确定所述Q2个时域资源。
作为一个实施例,至少对于所述第一节点,所述Q2个SSB索引对应的SSB被认为未实际发送。
作为一个实施例,对于所述Q2个时域资源中任一时域资源,所述Q个时域资源中包括一个相应的时域资源;所述第二信令被用于从所述一个相应的时域资源中指示所述任一时域资源。
作为一个实施例,所述Q个时域资源分别容纳Q个CSS(Common search space,公共搜索空间)集合(set)组,所述Q个CSS集合组中的每个CSS集合组中包括至少一个CSS集合。
作为一个实施例,所述第一时域资源池是第一候选池还是第二候选池与第一RNTI有关,所述下行控制信令被所述第一RNTI标识;或者,所述第一时域资源池是第一候选池还是第二候选池与容纳所述下行控制信令的CORESET有关。
作为一个实施例,所述第一节点是一个用户设备。
作为一个实施例,所述第一节点是一个中继节点设备。
作为一个实施例,所述第一接收机1001包括实施例4中的{天线452,接收处理器456,多天线接收处理器458,控制器/处理器459}。
作为一个实施例,所述第一接收机1001包括实施例4中的{存储器460,数据源467}中的至少之一。
实施例11
实施例11示例了根据本申请的一个实施例的用于第二节点中的处理装置的结构框图;如附图11所示。在附图11中,第二节点中的处理装置1100包括第一发射机1101。
在实施例11中,第一发射机1101发送第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;
实施例11中,至少第一整数被用于确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;所述第一时域资源被预留给下行控制信令;所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
作为一个实施例,所述第一发射机1101发送第三信令,所述第三信令被用于确定所述第一时域资源池是第一候选池还是第二候选池。
作为一个实施例,所述第二信令指示所述Q个SSB索引中的Q2个SSB索引,所述Q2个SSB索引分别被用于确定所述Q2个时域资源。
作为一个实施例,至少对于所述第一节点,所述Q2个SSB索引对应的SSB被认为未实际发送。
作为一个实施例,对于所述Q2个时域资源中任一时域资源,所述Q个时域资源中包括一个相应的时域资源;所述第二信令被用于从所述一个相应的时域资源中指示所述任一时域资源。
作为一个实施例,所述Q个时域资源分别容纳Q个CSS(Common search space,公共搜索空间)集合(set)组,所述Q个CSS集合组中的每个CSS集合组中包括至少一个CSS集合。
作为一个实施例,所述第一时域资源池是第一候选池还是第二候选池与第一RNTI有关,所述下行控制信令被所述第一RNTI标识;或者,所述第一时域资源池是第一候选池还是第二候选池与容纳所述下行控制信令的CORESET有关。
作为一个实施例,所述第二节点是一个基站设备。
作为一个实施例,所述第二节点是一个TRP设备。
作为一个实施例,所述第二节点是一个中继节点设备。
作为一个实施例,所述第二节点是一个CU设备。
作为一个实施例,所述第二节点是一个DU设备。
作为一个实施例,所述第一发射机1101包括实施例4中的{天线420,发射器418,发射处理器416,多天线发射处理器471}。
作为一个实施例,所述第一发射机1101包括实施例4中的{控制器/处理器475,存储器476}中的至少之一。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可以通过程序来指令相关硬件完成,所述程序可以存储于计算机可读存储介质中,如只读存储器,硬盘或者光盘等。可选的,上述实施例的全部或部分步骤也可以使用一个或者多个集成电路来实现。相应的,上述实施例中的各模块单元,可以采用硬件形式实现,也可以由软件功能模块的形式实现,本申请不限于任何特定形式的软件和硬件的结合。本申请中的用户设备、终端和UE包括但不限于无人机,无人机上的通信模块,遥控飞机,飞行器,小型飞机,手机,平板电脑,笔记本,车载通信设备,,交通工具,车辆,RSU,无线传感器,上网卡,物联网终端,RFID终端,NB-IOT终端,MTC(Machine Type Communication,机器类型通信)终端,eMTC(enhanced MTC,增强的MTC)终端,数据卡,上网卡,车载通信设备,低成本手机,低成本平板电脑等无线通信设备。本申请中的基站或者系统设备包括但不限于宏蜂窝基站,微蜂窝基站,小蜂窝基站,家庭基站,中继基站,eNB,gNB,TRP(Transmitter Receiver Point,发送接收节点),GNSS,中继卫星,卫星基站,空中基站,RSU(Road Side Unit,路边单元),无人机,测试设备,例如模拟基站部分功能的收发装置或信令测试仪等无线通信设备。
本领域的技术人员应当理解,本发明可以通过不脱离其核心或基本特点的其它指定形式来实施。因此,目前公开的实施例无论如何都应被视为描述性而不是限制性的。发明的范围由所附的权利要求而不是前面的描述确定,在其等效意义和区域之内的所有改动都被认为已包含在其中。
Claims (27)
- 被用于无线通信的第一节点,其特征在于,包括:第一接收机,接收第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;根据至少第一整数确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;在所述第一时域资源中监测下行控制信令;其中,所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
- 根据权利要求1所述的第一节点,其特征在于,所述第二信令指示所述Q个SSB索引中的Q2个SSB索引,所述Q2个SSB索引分别被用于确定所述Q2个时域资源。
- 根据权利要求2所述的第一节点,其特征在于,至少对于所述第一节点,所述Q2个SSB索引对应的SSB被认为未实际发送。
- 根据权利要求1所述的第一节点,其特征在于,对于所述Q2个时域资源中任一时域资源,所述Q个时域资源中包括一个相应的时域资源;所述第二信令被用于从所述一个相应的时域资源中指示所述任一时域资源。
- 根据权利要求1至4中任一权利要求所述的第一节点,其特征在于,所述Q个时域资源分别容纳Q个CSS(Common search space,公共搜索空间)集合(set)组,所述Q个CSS集合组中的每个CSS集合组中包括至少一个CSS集合。
- 根据权利要求1至5中任一权利要求所述的第一节点,其特征在于,包括:所述第一接收机,接收第三信令,所述第三信令被用于确定所述第一时域资源池是第一候选池还是第二候选池。
- 根据权利要求1至6中任一权利要求所述的第一节点,其特征在于,所述第一时域资源池是第一候选池还是第二候选池与第一RNTI有关,所述下行控制信令被所述第一RNTI标识;或者,所述第一时域资源池是第一候选池还是第二候选池与容纳所述下行控制信令的CORESET有关。
- 被用于无线通信的第二节点,其特征在于,包括:第一发射机,发送第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;其中,至少第一整数被用于确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;所述第一时域资源被预留给下行控制信令;所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
- 根据权利要求8所述的第二节点,其特征在于,所述第一发射机发送第三信令,所述第三信令被用于确定所述第一时域资源池是第一候选池还是第二候选池。
- 根据权利要求8或9所述的第二节点,其特征在于,所述第二信令指示所述Q个SSB索引中的Q2个SSB索引,所述Q2个SSB索引分别被用于确定所述Q2个时域资源。
- 根据权利要求10所述的第二节点,其特征在于,所述Q2个SSB索引对应的SSB被所述第二信令的接收者认为未实际发送。
- 根据权利要求8或9所述的第二节点,其特征在于,对于所述Q2个时域资源中任一时域资源,所述Q个时域资源中包括一个相应的时域资源;所述第二信令被用于从所述一个相应的时域资源中指示所述任一时域资源。
- 根据权利要求8至12中任一权利要求所述的第二节点,其特征在于,所述Q个时域资源分别容纳Q个CSS集合组,所述Q个CSS集合组中的每个CSS集合组中包括至少一个CSS集合。
- 根据权利要求8至13中任一权利要求所述的第二节点,所述第一时域资源池是第一候选池还是第二候选池与第一RNTI有关,所述下行控制信令被所述第一RNTI标识;或者,所述第一时域资源池是第一候选池还是第二候选池与容纳所述下行控制信令的CORESET有关。
- 被用于无线通信的第一节点中的方法,其特征在于,包括:接收第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;根据至少第一整数确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;在所述第一时域资源中监测下行控制信令;其中,所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
- 根据权利要求15的所述的第一节点中的所述方法,其特征在于,所述第二信令指示所述Q个SSB索引中的Q2个SSB索引,所述Q2个SSB索引分别被用于确定所述Q2个时域资源。
- 根据权利要求16所述的第一节点中的所述方法,其特征在于,至少对于所述第一节点,所述Q2个SSB索引对应的SSB被认为未实际发送。
- 根据权利要求15所述的第一节点中的所述方法,其特征在于,对于所述Q2个时域资源中任一时域资源,所述Q个时域资源中包括一个相应的时域资源;所述第二信令被用于从所述一个相应的时域资源中指示所述任一时域资源。
- 根据权利要求15至18中任一权利要求所述的第一节点中的所述方法,其特征在于,所述Q个时域资源分别容纳Q个CSS集合组,所述Q个CSS集合组中的每个CSS集合组中包括至少一个CSS集合。
- 根据权利要求15至19中任一权利要求所述的第一节点中的所述方法,其特征在于,包括:接收第三信令,所述第三信令被用于确定所述第一时域资源池是第一候选池还是第二候选池。
- 根据权利要求15至20中任一权利要求所述的第一节点中的所述方法,其特征在于,所述第一时域资源池是第一候选池还是第二候选池与第一RNTI有关,所述下行控制信令被所述第一RNTI标识;或者,所述第一时域资源池是第一候选池还是第二候选池与容纳所述下行控制信令的CORESET有关。22.被用于无线通信的第二节点中的方法,其特征在于,包括:发送第一信令和第二信令,所述第一信令指示Q个SSB被发送,所述Q个SSB分别对应Q个SSB索引,所述Q个SSB索引分别被用于确定Q个时域资源,所述Q是大于1的正整数;其中,至少第一整数被用于确定第一时域资源,所述第一时域资源的候选组成了第一时域资源池;所述第一时域资源被预留给下行控制信令;所述第一整数是所述Q个SSB索引中之一,所述第一时域资源属于所述第一时域资源池中的一个时域资源,所述第一时域资源池是第一候选池和第二候选池二者中之一;所述第一候选池包括Q1个时域资源,所述第二候选池包括Q2个时域资源;所述Q1个时域资源中的任一时域资源是所述Q个时域资源中之一,所述Q1个时域资源中的至少一个时域资源不属于所述Q2个时域资源;所述Q2个时域资源是所述Q个时域资源的真子集;所述第二信令被用于确定所述Q2个时域资源;所述Q个SSB被关联到第一PCI。
- 根据权利要求22所述的第二节点中的所述方法,其特征在于,包括:发送第三信令,所述第三信令被用于确定所述第一时域资源池是第一候选池还是第二候选池。
- 根据权利要求22或23所述的第二节点中的所述方法,其特征在于,所述第二信令指示所述Q个SSB索引中的Q2个SSB索引,所述Q2个SSB索引分别被用于确定所述Q2个时域资源。
- 根据权利要求24所述的第二节点中的所述方法,其特征在于,所述Q2个SSB索引对应的SSB被所述第二信令的接收者认为未实际发送。
- 根据权利要求22或23所述的第二节点中的所述方法,其特征在于,对于所述Q2个时域资源中任一时域资源,所述Q个时域资源中包括一个相应的时域资源;所述第二信令被用于从所述一个相应的时域资源中指示所述任一时域资源。
- 根据权利要求22至26中任一权利要求所述的第二节点中的所述方法,其特征在于,所述Q个时域资源分别容纳Q个CSS集合组,所述Q个CSS集合组中的每个CSS集合组中包括至少一个CSS集合。
- 根据权利要求22至27中任一权利要求所述的第二节点中的所述方法,所述第一时域资源池是第一候选池还是第二候选池与第一RNTI有关,所述下行控制信令被所述第一RNTI标识;或者,所述第一时域资源池是第一候选池还是第二候选池与容纳所述下行控制信令的CORESET有关。
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