CN115701165A - A method and device used in a node for wireless communication - Google Patents

Abstract

A method and apparatus in a node used for wireless communication is disclosed. A node first receives first signaling and second signaling, wherein the first signaling is used for indicating SPS configuration, and the second signaling is used for providing a downlink arrangement of the SPS configuration; subsequently receiving the first signal in a first time unit; the first time unit is occupied by a Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after a first bit block is subjected to at least channel coding and modulation; the number of bits included in the first bit block is related to the Y. The method and the device improve the configuration and transmission of the existing SPS, so that the size of a transmission block is adjusted according to the position of downlink arrangement in the whole SPS transmission, and different requirements of different communication services on the period and the data arrival rate are met, and the system performance is optimized.

Description

A method and device used in a node for wireless communication

technical field

The present application relates to a transmission method and device in a wireless communication system, in particular to a design scheme and a device under semi-persistent scheduling in wireless communication.

Background technique

The application of new technologies such as AI (artificial intelligence, artificial intelligence) in the communication field has attracted more and more attention. In RAN1#103e, the XR topic began to be discussed in 3GPP to address the differences brought about by future artificial intelligence. application scenarios and application requirements. At the RAN1#105e meeting, the periodicity unique to the XR field, such as 1/60 second, that is, the periodicity requirement of approximately 16.67ms (milliseconds), was discussed. At present, the traditional SPS (Semi-Persistent Scheduling, semi-static scheduling) service often adopts cycle design based on the existing 3GPP frame structure cycle, such as 10ms, 20ms, 32ms, 40ms and other different cycle configurations. The configuration is not compatible with the needs of XR. Furthermore, the above problems need to be resolved in the follow-up discussion.

Contents of the invention

For the above problems, a relatively simple solution is to design an SPS configuration with a specific period for XR, for example, an SPS configuration with a period of 16.67ms. However, in this way, the SPS designed for XR cannot be multiplexed with other traditional SPSs in the time domain, resulting in resource fragmentation and affecting the overall scheduling performance of the system.

Aiming at the above problems, the present application discloses a solution. It should be noted that although the above description uses the XR communication scenario as an example, the present application is also applicable to other non-XR communication scenarios, and achieves similar technical effects in the XR communication scenario. In addition, adopting a unified solution for different scenarios (including but not limited to XR communication scenarios) can also help reduce hardware complexity and cost. Meanwhile, although the above description uses SPS as an example, the present application is also applicable to other non-SPS communication scenarios, and achieves similar technical effects in the SPS scenario. In the case of no conflict, the embodiments and features in any node of the present application can be applied to any other 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.

In view of the above problems, the present application discloses a design method and device for control channel and data channel transmission in an SPS scenario. It should be noted that, if there is no conflict, the embodiments in the user equipment of the present application and the features in the embodiments can be applied to the base station, 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. Furthermore, although the original intention of this application is for the cellular network, this application can also be used for the Internet of Things and the Internet of Vehicles. Furthermore, although the original intention of the present application is aimed at the SPS scenario, the present application can also be used in non-SPS scenarios. Further, although the original intention of this application is for multi-antenna communication, this application can also be used for single-antenna communication. Furthermore, although the original intention of this application is for the terminal and base station scenario, this application is also applicable to the terminal and terminal, terminal and relay, non-terrestrial networks (NTN, Non-Terrestrial Networks), and relay and base station In the communication scenario, similar technical effects are achieved in the terminal and base station scenarios. In addition, adopting a unified solution for different scenarios (including but not limited to the communication scenario between the terminal and the base station) also helps to reduce hardware complexity and cost.

Further, in the case of no conflict, the embodiments in the first node device of the present application and the features in the embodiments can be applied to the second node device, and vice versa. In particular, for explanations of terms (Terminology), nouns, functions, and variables in this application (if not specified), reference may be made to definitions in TS (Technical Specification) 36 series, TS38 series, and TS37 series of specification protocols of 3GPP.

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

receiving first signaling and second signaling, where the first signaling is used to indicate SPS configuration, and where the second signaling is used to provide a downlink assignment (Downlink Assignment) of the SPS configuration;

receiving a first signal in a first time unit;

Wherein, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after the first bit block undergoes at least channel coding and modulation; the first The number of bits included in a bit block is related to the Y.

As an embodiment, a technical feature of the above method is that in a traditional SPS, the terminal is configured in each downlink arrangement of an SPS, that is, the data occupied by the data transmitted in each PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel) Frequency domain resources and MCS (Modulation and Coding Scheme, modulation and coding scheme) are the same to reflect the periodic characteristics; in the scheme proposed in this application, the frequency domain resources or MCS occupied by each downlink arrangement in an SPS configuration and The position of the downlink arrangement in the entire SPS transmission is related, and thus reflects the flexibility of transmission in an SPS configuration.

As an embodiment, another technical feature of the above method is: on the basis of ensuring that the existing SPS period is used, by adjusting the number of bits actually transmitted on different downlink arrangements in one SPS configuration period, and then achieving the requirement of 16.67ms Transmission cycle characteristics to respond to XR demands.

According to one aspect of the present application, the second signaling is used to indicate SPS activation; the second signaling is used to determine the frequency domain resource occupied by the first signal.

According to one aspect of the present application, neither the coding rate adopted by the channel coding of the first bit block nor the modulation order used by the modulation of the first bit block has anything to do with the Y; The number of REs occupied by the first signal is related to the Y.

As an embodiment, another technical feature of the above method is: on the basis of ensuring that the existing SPS cycle is used, only the number of REs (Resource Elements, resource units) actually occupied by different downlink arrangements in one SPS configuration cycle is adjusted , does not change the MCS, and then realizes the characteristics of meeting the transmission cycle of 16.67ms to meet the needs of XR.

According to an aspect of the present application, at least one of the coding rate used for the channel coding of the first bit block and the modulation order used for the modulation of the first bit block is the same as The Y is relevant.

As an embodiment, another technical feature of the above method is: on the basis of ensuring that the existing SPS cycle is used, only the MCS actually used in different downlink arrangements in one SPS configuration cycle is adjusted, and the number of occupied REs is not changed. Furthermore, the characteristics of meeting the transmission period of 16.67ms are realized to meet the needs of XR.

According to one aspect of the present application, the first signaling is used to determine a first MCS table, the second signaling is used to indicate the target MCS index from the first MCS table, and the target MCS The index and the Y are jointly used to determine at least one of the coding rate used for the channel coding of the first bit block and the modulation order used for the modulation of the first bit block. one.

According to one aspect of the present application, the first signaling is used to indicate a first SPS configuration index, and the period of the SPS configuration corresponding to the first SPS configuration index is used to determine the first time unit set and the second time A unit set; both the first time unit set and the second time unit set include a positive integer number of time units greater than 1; the first time unit set includes the first time unit or the second time unit The collection includes said first unit of time.

As an embodiment, a technical feature of the above method is that: the PDSCH transmitted in the time units in the first time unit set adopts a TBS (Transport Block Size, transport block size), and in the second time unit set The PDSCH transmitted in the time unit adopts another TBS; and then realizes a transmission that cannot be realized in an existing SPS configuration cycle in the transmission of the entire SPS configuration covering the first time unit set and the second time unit set rate.

According to an aspect of the present application, the first signaling is used to determine at least one of the first set of time units or the second set of time units.

According to one aspect of the present application, the first signal is for the first service type, the period of the first service type is equal to M1 milliseconds, the M1 is a real number greater than 1, and the channel passed by the first bit block The coding rate used for encoding and the modulation order used for the modulation of the first bit block are the first MCS index or the second MCS index; the value of M1 is used to determine the first MCS index and the difference between the second MCS index.

As an embodiment, a technical feature of the above-mentioned method is that different service requirements in the XR scenario are further established to be associated with multiple MCSs used in one SPS configuration, so as to further increase the flexibility and adaptability of the SPS.

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

sending first signaling and second signaling, the first signaling being used to indicate SPS configuration, and the second signaling being used to provide a downlink arrangement of the SPS configuration;

sending a first signal in a first time unit;

Wherein, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after the first bit block undergoes at least channel coding and modulation; the first The number of bits included in a bit block is related to the Y.

According to one aspect of the present application, the second signaling is used to indicate SPS activation; the second signaling is used to determine the frequency domain resource occupied by the first signal.

According to one aspect of the present application, neither the coding rate adopted by the channel coding of the first bit block nor the modulation order used by the modulation of the first bit block has anything to do with the Y; The number of REs occupied by the first signal is related to the Y.

According to an aspect of the present application, at least one of the coding rate used for the channel coding of the first bit block and the modulation order used for the modulation of the first bit block is the same as The Y is relevant.

According to one aspect of the present application, the first signaling is used to determine a first MCS table, the second signaling is used to indicate the target MCS index from the first MCS table, and the target MCS The index and the Y are jointly used to determine at least one of the coding rate used for the channel coding of the first bit block and the modulation order used for the modulation of the first bit block. one.

According to one aspect of the present application, the first signaling is used to indicate a first SPS configuration index, and the period of the SPS configuration corresponding to the first SPS configuration index is used to determine the first time unit set and the second time A unit set; both the first time unit set and the second time unit set include a positive integer number of time units greater than 1; the first time unit set includes the first time unit or the second time unit The collection includes said first unit of time.

According to an aspect of the present application, the first signaling is used to determine at least one of the first set of time units or the second set of time units.

According to one aspect of the present application, the first signal is for the first service type, the period of the first service type is equal to M1 milliseconds, the M1 is a real number greater than 1, and the channel passed by the first bit block The coding rate used for encoding and the modulation order used for the modulation of the first bit block are the first MCS index or the second MCS index; the value of M1 is used to determine the first MCS index and the difference between the second MCS index.

This application discloses a first node for wireless communication, including:

The first receiver receives first signaling and second signaling, the first signaling is used to indicate the SPS configuration, and the second signaling is used to provide a downlink arrangement of the SPS configuration;

a second receiver, receiving the first signal in the first time unit;

Wherein, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after the first bit block undergoes at least channel coding and modulation; the first The number of bits included in a bit block is related to the Y.

The present application discloses a second node for wireless communication, including:

The first transmitter sends first signaling and second signaling, the first signaling is used to indicate the SPS configuration, and the second signaling is used to provide a downlink arrangement of the SPS configuration;

a second transmitter, sending a first signal in a first time unit;

Wherein, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after the first bit block undergoes at least channel coding and modulation; the first The number of bits included in a bit block is related to the Y.

As an example, compared with traditional solutions, this application has the following advantages:

-. In a traditional SPS, the terminal is arranged in each downlink configuration of an SPS, that is, the frequency domain resources occupied by the data transmitted in each PDSCH are the same as the MCS, so as to reflect the periodic characteristics; the scheme proposed in this application, The frequency domain resource or MCS occupied by each downlink arrangement in an SPS configuration is related to the position of the downlink arrangement in the entire SPS transmission, thereby reflecting the flexibility of transmission in an SPS configuration;

-. On the basis of ensuring the use of the existing SPS cycle, by adjusting the number of bits actually transmitted on different downlink arrangements in an SPS configuration cycle, and then achieving the characteristics of a transmission cycle of 16.67ms to meet the needs of XR; the above The way to adjust the number of transmitted bits can be based on adjusting the MCS, or adjusting the number of actually occupied REs;

-. Further link different service requirements in the XR scenario with the number of multiple MCSs or multiple REs used in one SPS configuration, so as to further increase the flexibility and adaptability of the SPS.

Description of drawings

Other characteristics, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 shows the processing flowchart of the first node 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;

FIG. 5 shows a flowchart of the first signaling according to an embodiment of the present application;

Fig. 6 shows a schematic diagram of a first time unit according to an embodiment of the present application;

Fig. 7 shows a schematic diagram of a downlink arrangement according to an embodiment of the present application;

Fig. 8 shows a schematic diagram of a downlink arrangement according to another embodiment of the present application;

Fig. 9 shows a schematic diagram of a first time unit set and a second time unit set according to an embodiment of the present application;

Fig. 10 shows a schematic diagram of a first time unit set and a second time unit set according to another embodiment of the present application;

FIG. 11 shows a structural block diagram of a processing device in a first node device according to an embodiment of the present application;

Fig. 12 shows a structural block diagram of a processing device in a second node device according to an embodiment of the present application.

Detailed ways

The technical solution of the present application will be described in further detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined arbitrarily.

Example 1

Embodiment 1 illustrates a processing flowchart of a first node, as shown in FIG. 1 . In 100 shown in FIG. 1, each box represents a step. In Embodiment 1, the first node in this application receives first signaling and second signaling in step 101, the first signaling is used to indicate SPS configuration, and the second signaling is used to A downlink arrangement of said SPS configuration is provided; in step 102 a first signal is received in a first time unit.

In Embodiment 1, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after at least channel coding and modulation of the first bit block; The number of bits included in the first bit block is related to the Y.

As an embodiment, the SPS configuration is an SPS Configuration.

As an embodiment, the SPS configuration corresponds to one SPS-ConfigIndex.

As an embodiment, the SPS-ConfigIndex corresponding to the SPS configuration is a non-negative integer.

As an embodiment, the first signaling is used to indicate an SPS-ConfigIndex.

As an embodiment, the first signaling is used to indicate CS-RNTI (Configured Scheduling Radio Network Temporary Identifier, configured scheduling radio network temporary identifier).

As an embodiment, the first signaling is used to indicate nrofHARQ-Processes.

As an embodiment, the first signaling is used to indicate harq-ProcID-Offset.

As an embodiment, the first signaling is used to indicate a configured period (periodicity) of the downlink arrangement for the SPS.

As an embodiment, the first signaling is RRC (Radio Resource Control, radio resource control) signaling.

As an embodiment, the first signaling is the SPS-Config IE in TS (Technical Specification, technical specification) 38.331.

As an embodiment, the downlink assignment is a Downlink Assignment.

As an embodiment, the second signaling is a DCI (Downlink control information, downlink control information).

As an embodiment, the physical layer channel occupied by the second signaling includes a PDCCH (Physical Downlink Control Channel, physical downlink control channel).

As an embodiment, the CRC (Cyclic Redundancy Check, cyclic redundancy check) included in the second signaling is scrambled by CS-RNTI.

As an embodiment, the second signaling is used for activation of the SPS configuration (Activation).

As an embodiment, the first node validates (Validate) that the SPS transmission targeted by the SPS configuration is activated according to the reception of the second signaling.

As an embodiment, the first time unit is a time slot (Slot).

As an embodiment, the first time unit occupies a positive integer number greater than 1 of continuous OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) symbols.

As an embodiment, one time unit in this application is a time slot.

As an embodiment, one time unit in this application occupies a positive integer number greater than 1 and consecutive OFDM symbols.

As an embodiment, the DCI format (Format) adopted by the second signaling is one of 1_0, 1_1 or 1_2.

As an embodiment, the first signal is a wireless signal.

As an embodiment, the first signal is a baseband signal.

As an embodiment, the first signal is generated by a TB (Transport Block, transport block).

As an embodiment, the first signal is generated by a CB (Code Block, code block).

As an embodiment, the first signal is generated by a CBG (Code Block Group, code block group).

As an embodiment, the first bit block is generated by one TB.

As an embodiment, the first bit block is generated by one CB.

As an embodiment, the first bit block is generated by a CBG.

As an embodiment, the physical layer channel occupied by the first signal includes a PDSCH.

As an embodiment, the transmission channel occupied by the first signal includes a DL-SCH (Downlink Shared Channel, downlink shared channel).

As an embodiment, the first signaling is used to determine a first time unit pool, and the first time unit pool includes K1 time units, where K1 is a positive integer greater than 1, and the first time unit is a time unit in the first time unit pool.

As a sub-embodiment of this embodiment, any time unit in the K1 time units is a time slot.

As a sub-embodiment of this embodiment, any one of the K1 time units occupies a positive integer number of consecutive OFDM symbols greater than 1.

As a sub-embodiment of this embodiment, the second signaling is used to determine a target time unit set, the target time unit set includes K2 time units, and any time unit in the K2 time units belongs to the The first time unit pool, the target time unit is one of the K2 time units.

As a subsidiary embodiment of this sub-embodiment, the second signaling is used to determine the earliest time unit in the time domain among the K2 time units.

As a subsidiary embodiment of this sub-embodiment, the first time unit is the Yth time unit among the K2 time units.

As a subsidiary embodiment of this sub-embodiment, the first time unit is the (Y-1)th time unit among the K2 time units.

As a subsidiary embodiment of this sub-embodiment, the time unit in which the second signaling is located is the first time unit in the K2 time units.

As an example, the Y is a positive integer.

As an example, the Y is a non-negative integer.

As an embodiment, the first signal is that the first bit block undergoes at least CRC attachment (attachment), code block segmentation (Code Block Segmentation), code block CRC attachment (Per-CB CRCAttachment), channel encoding (encoding) , obtained after rate matching (Rate Matching) and code block concatenation (Concatenation).

As an embodiment, the first signal is obtained after the first bit block undergoes at least CRC (Cyclic Redundancy Check, Cyclic Redundancy Check) attachment (attachment), channel coding and rate matching.

As an embodiment, the first signal is obtained after the first bit block undergoes at least scrambling (Scrambling), the modulation operation (Modulation) and resource block mapping (Resource Mapping).

As an embodiment, the first signal is obtained after the first bit block undergoes scrambling, the modulation operation, layer mapping (Layer Mapping), antenna port mapping (Antenna Port Mapping) and resource block mapping.

As an embodiment, the first signal is obtained after the first bit block undergoes CRC addition, code block division, code block CRC addition, channel coding, rate matching and code block concatenation.

As an embodiment, the first signal is obtained after CRC addition, channel coding and rate matching are performed on the first bit block.

As an embodiment, the first signal is obtained after the first bit block undergoes scrambling, the modulation operation and resource block mapping.

As an embodiment, the first signal is obtained after the first bit block undergoes scrambling, the modulation operation, layer mapping, antenna port mapping, and resource block mapping.

As an embodiment, the first signal is obtained after the first bit block undergoes CRC addition, code block division, code block CRC addition, channel coding, rate matching, and code block concatenation in sequence.

As an embodiment, the first signal is obtained after the first bit block undergoes channel coding, scrambling, modulation operation, layer mapping, antenna port mapping and resource block mapping in sequence.

As an embodiment, the resource block mapping includes mapping to REs other than allocated REs in the physical resource block.

As an embodiment, the resource block mapping includes mapping to a virtual resource block (Virtual Resource Block), and mapping from a virtual resource block to a physical resource block.

As an embodiment, the channel coding is based on an LDPC (Low Density Parity Check, low density parity check) code.

As an embodiment, the channel coding is based on Turbo codes.

As an embodiment, the channel coding is based on polar codes.

As an embodiment, the HARQ (Hybrid Automatic RepeatreQuest, hybrid automatic repeat request) Process Number field included in the second signaling is set to all "0".

As an embodiment, the Redundancy Version field included in the second signaling is set to all "0".

Example 2

Embodiment 2 illustrates a schematic diagram of a network architecture, as shown in FIG. 2 .

FIG. 2 illustrates a diagram of a network architecture 200 of a 5G NR, LTE (Long-Term Evolution, long-term evolution) and LTE-A (Long-Term Evolution Advanced, enhanced long-term evolution) system. The 5G NR or LTE network architecture 200 may be referred to as an EPS (Evolved Packet System, Evolved Packet System) 200 or some other suitable term. EPS200 may include a UE (User Equipment, user equipment) 201, NR-RAN (next generation radio access network) 202, EPC (Evolved Packet Core, evolved packet core)/5G-CN (5G-Core Network, 5G core network) 210 , HSS (Home Subscriber Server, Home Subscriber Server) 220 and Internet service 230 . The EPS may be interconnected with other access networks, but these entities/interfaces are not shown for simplicity. As shown, the EPS provides packet-switched services, however those skilled in the art will readily appreciate that the various concepts presented throughout this application may be extended to networks providing circuit-switched services or other cellular networks. NR-RAN includes NR Node B (gNB) 203 and other gNBs 204 . 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 or some other suitable terminology. gNB203 provides UE201 with an access point to EPC/5G-CN210. Examples of UE 201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, non-terrestrial base station communications, satellite mobile communications, global positioning systems, multimedia devices , video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, NB-IoT devices, machine type communication devices, land vehicles, automobiles, wearable devices, or any Other devices with similar functions. Those skilled in the art 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. The gNB203 is connected to the EPC/5G-CN 210 through the S1/NG interface. EPC/5G-CN 210 includes MME (Mobility Management Entity, Mobility Management Entity)/AMF (Authentication Management Field, Authentication Management Field)/UPF (UserPlane Function, User Plane Function) 211, other MME/AMF/UPF 214, S - GW (Service Gateway, service gateway) 212 and P-GW (Packet Date Network Gateway, packet data network gateway) 213 . MME/AMF/UPF211 is a control node that handles signaling between UE201 and EPC/5G-CN210. In general, MME/AMF/UPF 211 provides bearer and connection management. All user IP (Internet Protocol, Internet Protocol) packets are transmitted through the S-GW212, and the S-GW212 itself is connected to the P-GW213. P-GW 213 provides UE IP address allocation and other functions. P-GW 213 is connected to Internet service 230 . The Internet service 230 includes Internet protocol services corresponding to operators, and specifically may include Internet, Intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) and packet-switched streaming services.

As an embodiment, the UE 201 corresponds to the first node in this application.

As an embodiment, the UE 201 supports the SPS service.

As an embodiment, the UE 201 can support simultaneous activation of multiple SPS configurations.

As an embodiment, the UE 201 supports XR services.

As an example, the XR in this application includes AR (Augmented Reality).

As an embodiment, the XR in this application includes VR (Virtual Reality).

As an embodiment, the gNB203 corresponds to the first node in this application.

As an embodiment, the gNB203 supports the SPS service.

As an embodiment, the gNB203 can simultaneously support multiple SPS configurations to be activated simultaneously.

As an embodiment, the gNB203 supports XR services.

Example 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): 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 . A layer 2 (L2 layer) 305 is above the PHY 301 and is responsible for a link between the first communication node device and the second communication node device through the PHY 301 . The L2 layer 305 includes a MAC (Medium Access Control, Media Access Control) sublayer 302, an RLC (Radio Link Control, Radio Link Layer Control Protocol) sublayer 303, and a 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 the PDCP sublayer 304 also provides handoff support for the first communication node device to the second communication node device. 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 (RadioResouce 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 communication between the second communication node device and the first communication node device RRC signaling to configure the lower layers. 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. Although not shown, 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.).

As an embodiment, the wireless protocol architecture in Fig. 3 is applicable to the first node in this application.

As an embodiment, the wireless protocol architecture in Fig. 3 is applicable to the second node in this application.

As an embodiment, the PDCP 304 of the second communication node device is used to generate the schedule of the first communication node device.

As an embodiment, the PDCP354 of the second communication node device is used to generate the schedule of the first communication node device.

As an embodiment, the first signaling is generated by the MAC302 or the MAC352.

As an embodiment, the first signaling is generated in the RRC306.

As an embodiment, the second signaling is generated by the PHY301 or the PHY351.

As an embodiment, the second signaling is generated by the MAC302 or the MAC352.

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

As an embodiment, the first signal is generated by the MAC302 or the MAC352.

As an embodiment, the first signal is generated by the RRC306.

As an embodiment, the first node is a terminal.

As an embodiment, the second node is a terminal.

As an embodiment, the second node is a TRP (Transmitter Receiver Point, sending and receiving point).

As an embodiment, the second node is a cell (Cell).

As an embodiment, the second node is an eNB.

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

As an embodiment, the second node is used to manage multiple TRPs.

As an embodiment, the second node is a node for managing multiple cells.

As an embodiment, the second node is a node for managing multiple carriers.

Example 4

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

The first 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 .

Second communications device 410 includes controller/processor 475 , memory 476 , receive processor 470 , transmit processor 416 , multi-antenna receive processor 472 , multi-antenna transmit processor 471 , transmitter/receiver 418 and antenna 420 .

In transmission from said second communication device 410 to said first communication device 450 , at said second communication device 410 upper layer data packets from the core network are provided to a controller/processor 475 . Controller/processor 475 implements the functionality of the L2 layer. In transmission from the second communications device 410 to the first communications device 450, the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels. Multiplexing, and allocation of radio resources to said first communication device 450 based on various priority metrics. The controller/processor 475 is also responsible for retransmission of lost packets, and signaling to the first 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 410, and based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift Mapping of signal clusters for keying (QPSK), M phase shift keying (M-PSK), M quadrature amplitude modulation (M-QAM)). 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, and beamforming processing to generate one or more spatial streams. The transmit processor 416 then maps each spatial stream to subcarriers, multiplexes with a reference signal (e.g., pilot) in the time and/or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate A physical channel that carries a time-domain multi-carrier symbol stream. 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 .

In transmission from said second communication device 410 to said first communication device 450 , at said first communication device 450 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). In the frequency domain, 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 multi-antenna detection in the multi-antenna receiving processor 458. Any spatial stream for which the first communication device 450 is a destination. The symbols on each spatial 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 second 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 transmission from said second communication device 410 to said second communication device 450, controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression , control signal processing to recover upper layer data packets from the core network. The upper layer packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing.

In transmission from said first communication device 450 to said second communication device 410 , at said first communication device 450 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 second communications device 410 described in the transmission from the second communications device 410 to the first communications device 450, the controller/processor 459 implements a header based on radio resource allocation Compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels, implementing L2 layer functions for user plane and control plane. The controller/processor 459 is also responsible for retransmission of lost packets, and signaling to the second 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 spatial stream into a multi-carrier/single-carrier symbol stream, which is 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 .

In the transmission from the first communication device 450 to the second communication device 410, the function at the second communication device 410 is similar to that in the transmission from the second communication device 410 to the first communication device 450 The receive function at the first communication device 450 is described in the transmission. 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. In transmission from said first communication device 450 to said second communication device 410, controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression . Control signal processing to recover upper layer data packets from UE450. Upper layer packets from controller/processor 475 may be provided to the core network.

As an embodiment, the first communication device 450 device includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to be compatible with the said at least one processor, said first communication device 450 device at least: firstly receive first signaling and second signaling, said first signaling is used to indicate SPS configuration, said second signaling is used A downlink arrangement for providing the SPS configuration; subsequently receiving a first signal in a first time unit; the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the The first signal is obtained after the first bit block undergoes at least channel coding and modulation; the number of bits included in the first bit block is related to the Y.

As an embodiment, the first 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: first receiving First signaling and second signaling, the first signaling is used to indicate the SPS configuration, the second signaling is used to provide a downlink arrangement of the SPS configuration; subsequently received in the first time unit The first signal; the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after at least channel coding and modulation of the first bit block; the The number of bits included in the first bit block is related to the Y.

As an embodiment, the second communication device 410 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to be compatible with the at least one of the processors described above. The second communication device 410 means at least: first sending first signaling and second signaling, the first signaling is used to indicate the SPS configuration, and the second signaling is used to provide the SPS configuration A downlink arrangement; then a first signal is sent in a first time unit; the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is the first bit The block is obtained after at least channel coding and modulation; the number of bits included in the first bit block is related to the Y.

As an embodiment, the second 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: first Sending first signaling and second signaling, the first signaling is used to indicate the SPS configuration, and the second signaling is used to provide a downlink arrangement of the SPS configuration; then in the first time unit Sending a first signal; the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after at least channel coding and modulation of the first bit block; The number of bits included in the first bit block is related to the Y.

As an embodiment, the first communication device 450 corresponds to the first node in this application.

As an embodiment, the second communication device 410 corresponds to the second node in this application.

As an embodiment, the first communication device 450 is a UE.

As an embodiment, the first communication device 450 is a terminal.

As an embodiment, the second communication device 410 is a base station.

As an embodiment, the second communications device 410 is a UE.

As an embodiment, the second communication device 410 is a network device.

As an embodiment, the second communication device 410 is a serving cell.

As an embodiment, the second communication device 410 is a TRP.

As an embodiment, at least the first four of the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456, and the controller/processor 459 are used to receive First signaling and second signaling, the first signaling is used to indicate SPS configuration, the second signaling is used to provide a downlink arrangement of the SPS configuration; the antenna 420, the transmitting At least the first four of the multi-antenna transmission processor 418, the multi-antenna transmission processor 471, the transmission processor 416, and the controller/processor 475 are used to send the first signaling and the second signaling, and the first A signaling is used to indicate the SPS configuration, and the second signaling is used to provide a downlink arrangement of the SPS configuration.

As an embodiment, at least the first four of the antenna 452, the receiver 454, the multi-antenna receive processor 458, the receive processor 456, and the controller/processor 459 are used to The first signal is received in the first time unit; the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416, at least the first four in the controller/processor 475 Either is used to send the first signal in the first time unit.

Example 5

Embodiment 5 illustrates a flowchart of the first signaling, as shown in FIG. 5 . In FIG. 5, the communication between the first node U1 and the second node N2 is performed through a wireless link. It is particularly noted that the sequence in this embodiment does not limit the signal transmission sequence and implementation sequence in this application.

For the first node U1 , the first signaling and the second signaling are received in step S10; and the first signal is received in a first time unit in step S11.

For the second node N2 , the first signaling and the second signaling are sent in step S20; and the first signal is sent in the first time unit in step S21.

In Embodiment 5, the first signaling is used to indicate the SPS configuration, and the second signaling is used to provide a downlink arrangement of the SPS configuration; the first time unit is set in the one downlink arrangement Occupied by the Y-th downlink arrangement after configuration; the first signal is obtained after at least channel coding and modulation of the first bit block; the number of bits included in the first bit block is related to the Y.

As an embodiment, the time domain resources occupied by the first signaling and the time domain resources occupied by the second signaling belong to the same time slot.

As an embodiment, the time domain resource occupied by the first signaling and the time domain resource occupied by the second signaling belong to two different time slots respectively.

As an embodiment, the time domain resource occupied by the second signaling and the time domain resource occupied by the first signal belong to the same time slot.

As an embodiment, the time domain resource occupied by the second signaling and the time domain resource occupied by the first signal respectively belong to two different time slots.

As an embodiment, the second signaling is used to indicate SPS activation; the second signaling is used to determine frequency domain resources occupied by the first signal.

As a sub-embodiment of this embodiment, the Frequency DomainAssignment field included in the second signaling is used to indicate the frequency domain resource occupied by the first signal.

As a sub-embodiment of this embodiment, the Frequency DomainAssignment field included in the second signaling is used to indicate the frequency-domain position of the RB (Resource Block, resource block) occupied by the first signal.

As a sub-embodiment of this embodiment, the Frequency DomainAssignment field included in the second signaling is used to determine the frequency domain resource occupied by the first signal.

As a sub-embodiment of this embodiment, the Frequency DomainAssignment field included in the second signaling is used to determine the frequency domain position of the RB occupied by the first signal.

As a sub-embodiment of this embodiment, the Frequency DomainAssignment field included in the second signaling is used to indicate the first RB set, the first RB set includes a positive integer number of RBs greater than 1, and the first The frequency domain resource occupied by the signal includes at least the first RB set in the first RB set or the second RB set, the second RB set includes a positive integer number of RBs greater than 1, and the first RB set The frequency domain position of is used to determine the frequency domain position of the second RB set.

As a subsidiary embodiment of this sub-embodiment, whether the frequency domain resource occupied by the first signal includes the second RB set is related to the value of Y.

As an example of this subsidiary embodiment; if the Y is equal to an odd number, the frequency domain resource occupied by the first signal includes the second RB set; if the Y is equal to an even number, the frequency domain resource occupied by the first signal The resource does not include the second set of RBs.

As an example of this subsidiary embodiment; if the Y is equal to an even number, the frequency domain resource occupied by the first signal includes the second RB set; if the Y is equal to an odd number, the frequency domain resource occupied by the first signal The resource does not include the second set of RBs.

As an example of this subsidiary embodiment; when the Y is less than the first threshold, the frequency domain resource occupied by the first signal includes the second RB set; when the Y is not less than the first threshold, the first The frequency domain resource occupied by a signal does not include the second RB set; the first threshold is fixed or the first threshold is configured through RRC or MAC signaling; the first threshold is greater than 1 positive integer.

As an example of this subsidiary embodiment; when the Y is greater than the second threshold, the frequency domain resource occupied by the first signal includes the second RB set; when the Y is not greater than the second threshold, the first The frequency domain resource occupied by a signal does not include the second RB set; the second threshold is fixed or the second threshold is configured through RRC or MAC signaling; the second threshold is greater than 1 positive integer.

As a subsidiary embodiment of this sub-embodiment, the number of RBs included in the second RB set is fixed, or the number of RBs included in the second RB set is configured through higher layer signaling.

As a subsidiary embodiment of this sub-embodiment, the number of RBs included in the second RB set has nothing to do with the second signaling.

As a subsidiary embodiment of this sub-embodiment, the number of RBs included in the second RB set is related to the service type of the first node.

As an embodiment, neither the coding rate used by the channel coding of the first bit block nor the modulation order used by the modulation of the first bit block has anything to do with the Y; The number of REs occupied by a signal is related to the Y.

As a sub-embodiment of this embodiment, the number of bits included in the first bit block is TBS.

As a sub-embodiment of this embodiment, the number of REs occupied by the first signal is related to the number of RBs occupied by the first signal, and the number of RBs occupied by the first signal is related to the number of RBs occupied by the first signal. related to Y.

As a sub-embodiment of this embodiment, when the Y is an odd number, the number of REs occupied by the first signal is equal to X1; when the Y is an even number, the number of REs occupied by the first signal is The quantity is equal to X2; both the X1 and the X2 are positive integers greater than 1, and the X1 and the X2 are not equal.

As a sub-embodiment of this embodiment, when the Y is not greater than the third threshold, the number of REs occupied by the first signal is equal to X1; when the Y is greater than the third threshold, the first signal The number of occupied REs is equal to X2; both X1 and X2 are positive integers greater than 1, and X1 and X2 are not equal; the third threshold is fixed or the third threshold is passed configured by RRC or MAC signaling; the third threshold is a positive integer greater than 1.

As a sub-embodiment of this embodiment, when the Y is greater than the fourth threshold, the number of REs occupied by the first signal is equal to X1; when the Y is not greater than the fourth threshold, the first signal The number of occupied REs is equal to X2; both X1 and X2 are positive integers greater than 1, and X1 and X2 are not equal; the fourth threshold is fixed or the fourth threshold is passed configured by RRC or MAC signaling; the fourth threshold is a positive integer greater than 1.

As a subsidiary embodiment of the above three sub-embodiments, the second signaling is used to determine the value of X1, and the value of X2 is related to the value of X1.

As a subsidiary embodiment of the above three sub-embodiments, the second signaling is used to determine the value of X2, and the value of X1 is related to the value of X2.

As a subsidiary embodiment of the above three sub-embodiments, the difference between X1 and X2 is equal to X3; the value of X3 is configured through RRC signaling or MAC signaling, or the value of X3 is fixed.

As a sub-embodiment of this embodiment, the second signaling is used to indicate that the coding rate adopted by the channel coding of the first bit block is different from the coding rate adopted by the modulation of the first bit block At least one of the modulation orders employed.

As a sub-embodiment of this embodiment, the second signaling is used to indicate that the coding rate adopted by the channel coding of the first bit block is different from the coding rate adopted by the modulation of the first bit block The modulation order to use.

As an embodiment, at least one of the coding rate used for the channel coding of the first bit block and the modulation order used for the modulation of the first bit block is the same as the Y related.

As a sub-embodiment of this embodiment, the frequency domain resources occupied by the first signal are not related to the Y.

As a sub-embodiment of this embodiment, the number of RBs and RB positions occupied by the first signal are not related to the Y.

As a sub-embodiment of this embodiment, the second signaling is used to indicate the frequency domain resource occupied by the first signal.

As a sub-embodiment of this embodiment, the number of REs occupied by the first signal is independent of the Y.

As a sub-embodiment of this embodiment, when the Y is equal to an odd number, the coding rate adopted by the channel coding of the first bit block is different from the coding rate adopted by the modulation of the first bit block The modulation order adopted adopts the encoding rate corresponding to the first MCS index (Index) and the modulation order (Order) corresponding to the first MCS index; when the Y is equal to an even number, all the bits passed by the first bit block The encoding rate adopted by the channel encoding and the modulation order adopted by the modulation of the first bit block adopt the encoding rate corresponding to the second MCS index and the modulation order corresponding to the second MCS index; The first MCS index is related to the second MCS index, and the second signaling is used to indicate the first MCS index or the second MCS index.

As a sub-embodiment of this embodiment, when the Y is not greater than the fifth threshold, the coding rate adopted by the channel coding of the first bit block is different from that of the channel coding of the first bit block The modulation order used for the modulation adopts the encoding rate corresponding to the first MCS index and the modulation order corresponding to the first MCS index; when the Y is greater than the fifth threshold, the first bit block passes through the The coding rate used for channel coding and the modulation order used for the modulation of the first bit block adopt the coding rate corresponding to the second MCS index and the modulation order corresponding to the second MCS index; The first MCS index is related to the second MCS index, and the second signaling is used to indicate the first MCS index or the second MCS index; the fifth threshold is fixed or the fifth threshold The five thresholds are configured through RRC or MAC signaling; the fifth threshold is a positive integer greater than 1.

As a sub-embodiment of this embodiment, when the Y is greater than the sixth threshold, the coding rate adopted by the channel coding of the first bit block is different from the coding rate of the channel coding of the first bit block The modulation order used for modulation adopts the coding rate corresponding to the first MCS index and the modulation order corresponding to the first MCS index; when the Y is not greater than the sixth threshold, the first bit block passes through the The coding rate used for channel coding and the modulation order used for the modulation of the first bit block adopt the coding rate corresponding to the second MCS index and the modulation order corresponding to the second MCS index; The first MCS index is related to the second MCS index, and the second signaling is used to indicate the first MCS index or the second MCS index; the sixth threshold is fixed or the sixth threshold The six thresholds are configured through RRC or MAC signaling; the sixth threshold is a positive integer greater than 1.

As a subsidiary embodiment of the above three sub-embodiments, the second signaling indicates the former of the first MCS index and the second MCS index.

As a subsidiary embodiment of the above three sub-embodiments, the second signaling indicates the latter of the first MCS index and the second MCS index.

As a subsidiary embodiment of the above three sub-embodiments, the second signaling does not indicate the first MCS index and the second MCS index at the same time.

As a sub-embodiment of the above three embodiments, the difference between the first MCS index and the second MCS index is equal to X4; the value of X4 is configured through RRC signaling or MAC signaling, or the value of X4 Value is fixed.

As an embodiment, the first signaling is used to determine the first MCS table, the second signaling is used to indicate the target MCS index from the first MCS table, the target MCS index and The Y is jointly used to determine at least one of the coding rate used for the channel coding of the first bit block and the modulation order used for the modulation of the first bit block .

As a sub-embodiment of this embodiment, when the second signaling indicates the first MCS index, the target MCS index is the first MCS index.

As a sub-embodiment of this embodiment, when the second signaling indicates the second MCS index, the target MCS index is the second MCS index.

As an embodiment, the first signaling is used to indicate a first SPS configuration index, and the period of the SPS configuration corresponding to the first SPS configuration index is used to determine the first time unit set and the second time unit set ; Both the first time unit set and the second time unit set include a positive integer number of time units greater than 1; the first time unit set includes the first time unit or the second time unit set includes The first time unit.

As a sub-embodiment of this embodiment, the first time unit corresponding to the value of Y belongs to the first time unit set, and the frequency domain resource occupied by the first signal includes the first RB set and the second RB set; the first time unit corresponding to the value of Y belongs to the second time unit set, and the frequency domain resource occupied by the first signal includes the first RB set And the second RB set is not included.

As a sub-embodiment of this embodiment, the first time unit corresponding to the value of Y belongs to the first time unit set, and the number of REs occupied by the first signal is equal to X1; the Y The first time unit corresponding to the value of belongs to the second time unit set, and the number of REs occupied by the first signal is equal to X2; both X1 and X2 are positive integers greater than 1, so Said X1 is not equal to said X2.

As a sub-embodiment of this embodiment, the first time unit corresponding to the value of Y belongs to the first time unit set, and the channel coding adopted by the first bit block is The encoding rate and the modulation order adopted by the modulation of the first bit block adopt the encoding rate corresponding to the first MCS index and the modulation order corresponding to the first MCS index; the value of Y corresponds to The first time unit belongs to the second time unit set, and the coding rate adopted by the channel coding of the first bit block is the same as the coding rate adopted by the modulation of the first bit block. The modulation order adopts the coding rate corresponding to the second MCS index and the modulation order corresponding to the second MCS index; the first MCS index is different from the second MCS index, and the second signaling indicates that the first An MCS index or the second MCS index.

As an embodiment, the first signaling is used to determine at least one of the first set of time units or the second set of time units.

As a sub-embodiment of this embodiment, the first signaling is used to indicate the first set of time units.

As a sub-embodiment of this embodiment, the first signaling is used to indicate the second set of time units.

As a sub-embodiment of this embodiment, the first signaling is used to indicate the first set of time units and the second set of time units.

As a sub-embodiment of this embodiment, the first signaling is used to indicate the first set of time units from the first time unit pool.

As a sub-embodiment of this embodiment, the first signaling is used to indicate the second time unit set from the first time unit pool.

As a sub-embodiment of this embodiment, the first signaling is used to indicate the first set of time units and the second set of time units from the first time unit pool.

As an embodiment, the first signal is for the first service type, and the period of the first service type is equal to M1 milliseconds, where M1 is a real number greater than 1, and the channel coding performed by the first bit block is The coding rate adopted and the modulation order adopted by the modulation of the first bit block are the first MCS index or the second MCS index; the value of M1 is used to determine the first MCS index and the The difference of the second MCS index.

As an embodiment, the first signal is for the first service type, the period of the first service type is equal to M1 milliseconds, the M1 is a real number greater than 1, and the number of RBs occupied by the first signal is equal to the first integer or a second integer; the first integer is not equal to the second integer; both the first integer and the second integer are positive integers; the value of M1 is used to determine the first integer and the second integer Ratio of the second integer.

As an embodiment, the first signal is for the first service type, the period of the first service type is equal to M1 milliseconds, the M1 is a real number greater than 1, and the number of REs occupied by the first signal is equal to the third integer or a fourth integer; the third integer is not equal to the fourth integer; both the third integer and the fourth integer are positive integers greater than 1; the value of the M1 is used to determine the The ratio of the three integers to the fourth integer.

As an embodiment, the first signal is for the first service type, the period of the first service type is equal to M1 milliseconds, the M1 is a real number greater than 1, and the value of the M1 is used to determine the first A ratio of the number of time units included in the time unit set to the number of time units included in the second time unit set.

Example 6

Embodiment 6 illustrates a schematic diagram of the first time unit, as shown in FIG. 6 . In Fig. 6, the first signaling indicates the SPS configuration in the second time unit, and the second signaling activates the SPS configuration in the third time unit; the first node in this application is shown in Fig. The transmission of the downlink arrangement corresponding to the SPS configuration is received in the time unit in the first time unit pool shown in ; the first time unit is the Yth time unit in the first time unit pool.

As an embodiment, the third time unit is a time unit in the first time unit pool.

As an embodiment, the first node receives the transmission of the downlink arrangement corresponding to the SPS configuration in the third time unit.

As an embodiment, the first node receives the transmission of the first downlink arrangement corresponding to the SPS configuration in the third time unit.

Example 7

Embodiment 7 illustrates a schematic diagram of downlink arrangement, as shown in FIG. 7 . In FIG. 7, the second signaling is used to activate an SPS configuration, and the first node has received P downlink arrangements before the SPS configuration is released, and the P downlink arrangements correspond to P PDSCH, the P is a positive integer greater than the Y, and the Yth downlink arrangement is the Yth downlink arrangement among the P downlink arrangements. As shown in the figure, the P downlink arrangements are divided into a first downlink arrangement group and a second downlink arrangement group, and the first downlink arrangement group is numbered (2*i- 1), the second downlink arrangement group is composed of downlink arrangements whose sequence number is (2*i) among the P downlink arrangements; i is the smallest positive integer greater than 0 and not less than 0.5*P.

As an embodiment, when the Yth downlink arrangement belongs to the first downlink arrangement group, the first signal adopts the first MCS; when the Yth downlink arrangement belongs to the second downlink arrangement group, the The first signal adopts a second MCS; the first MCS is different from the second MCS.

As an embodiment, when the Y-th downlink arrangement belongs to the first downlink arrangement group, the number of REs occupied by the first signal is equal to X1; when the Y-th downlink arrangement belongs to the second downlink arrangement group , the number of REs occupied by the first signal is equal to X2; the X1 and the X2 are different, and both the X1 and the X2 are positive integers greater than 1.

As an embodiment, when the Y-th downlink arrangement belongs to the first downlink arrangement group, the number of RBs occupied by the first signal is equal to a first integer; when the Y-th downlink arrangement belongs to the second downlink arrangement When grouping, the number of RBs occupied by the first signal is equal to a second integer; the first integer is different from the second integer, and both the first integer and the second integer are positive integers.

Example 8

Embodiment 8 illustrates a schematic diagram of downlink arrangement, as shown in FIG. 8 . In FIG. 8, the second signaling is used to activate an SPS configuration, and the first node has received Q downlink arrangements before the SPS configuration is released, and the Q downlink arrangements correspond to Q PDSCH, the Q is a positive even number greater than the Y, and the Yth downlink arrangement is the Yth downlink arrangement among the Q downlink arrangements. As shown in the figure, the Q downlink arrangements are divided into a first downlink arrangement group and a second downlink arrangement group, and the first downlink arrangement group consists of the first 0.5*Q downlink arrangements in the Q downlink arrangements The second downlink arrangement group consists of the last 0.5*Q downlink arrangements among the Q downlink arrangements.

As an embodiment, when the Yth downlink arrangement belongs to the first downlink arrangement group, the first signal adopts the first MCS; when the Yth downlink arrangement belongs to the second downlink arrangement group, the The first signal adopts a second MCS; the first MCS is different from the second MCS.

As an embodiment, when the Y-th downlink arrangement belongs to the first downlink arrangement group, the number of REs occupied by the first signal is equal to X1; when the Y-th downlink arrangement belongs to the second downlink arrangement group , the number of REs occupied by the first signal is equal to X2; the X1 and the X2 are different, and both the X1 and the X2 are positive integers greater than 1.

As an embodiment, when the Y-th downlink arrangement belongs to the first downlink arrangement group, the number of RBs occupied by the first signal is equal to a first integer; when the Y-th downlink arrangement belongs to the second downlink arrangement When grouping, the number of RBs occupied by the first signal is equal to a second integer; the first integer is different from the second integer, and both the first integer and the second integer are positive integers.

Example 9

Embodiment 9 illustrates a schematic diagram of a first time unit set and a second time unit set, as shown in FIG. 9 . In FIG. 9, the second signaling is used to activate an SPS configuration, and the first node has received P downlink arrangements before the SPS configuration is released, and the P downlink arrangements correspond to P PDSCHs, and the P PDSCHs are transmitted in P time units respectively, the P is a positive integer greater than the Y, and the Yth downlink arrangement is the Yth one of the P time units unit of time. As shown in the figure, the P time units are divided into a first time unit set and a second time unit set, and the first time unit set is numbered (2*i-1) in the P time units The second set of time units is composed of time units with sequence number (2*i) among the P time units; i is the smallest positive integer greater than 0 and not less than 0.5*P.

As an embodiment, when the Yth time unit belongs to the first time unit set, the first signal adopts the first MCS; when the Yth time unit belongs to the second time unit set, the first A signal adopts a second MCS; the first MCS is different from the second MCS.

As an embodiment, when the Yth time unit belongs to the first time unit set, the number of REs occupied by the first signal is equal to X1; when the Yth time unit belongs to the second time unit set, The number of REs occupied by the first signal is equal to X2; the X1 and the X2 are different, and both the X1 and the X2 are positive integers greater than 1.

As an embodiment, when the Yth time unit belongs to the first time unit set, the number of RBs occupied by the first signal is equal to the first integer; when the Yth time unit belongs to the second time unit set , the number of RBs occupied by the first signal is equal to a second integer; the first integer is different from the second integer, and both the first integer and the second integer are positive integers.

Example 10

Embodiment 10 illustrates a schematic diagram of a first time unit set and a second time unit set, as shown in FIG. 10 . In FIG. 10, the second signaling is used to activate an SPS configuration, and the first node has received Q downlink arrangements before the SPS configuration is released, and the Q downlink arrangements correspond to Q PDSCHs, and the Q PDSCHs are transmitted in Q time units respectively, the Q is a positive integer greater than the Y, and the Yth downlink arrangement is the Yth time unit in the Q time units unit of time. As shown in the figure, the Q time units are divided into a first time unit set and a second time unit set, and the first time unit set is composed of the first 0.5*Q time units in the Q time units , the second set of time units consists of the last 0.5*Q time units of the Q time units.

As an embodiment, when the Yth time unit belongs to the first time unit set, the first signal adopts the first MCS; when the Yth time unit belongs to the second time unit set, the first A signal adopts a second MCS; the first MCS is different from the second MCS.

As an embodiment, when the Yth time unit belongs to the first time unit set, the number of REs occupied by the first signal is equal to X1; when the Yth time unit belongs to the second time unit set, The number of REs occupied by the first signal is equal to X2; the X1 and the X2 are different, and both the X1 and the X2 are positive integers greater than 1.

As an embodiment, when the Yth time unit belongs to the first time unit set, the number of RBs occupied by the first signal is equal to the first integer; when the Yth time unit belongs to the second time unit set , the number of RBs occupied by the first signal is equal to a second integer; the first integer is different from the second integer, and both the first integer and the second integer are positive integers.

Example 11

Embodiment 11 illustrates a structural block diagram of a first node, as shown in FIG. 11 . In FIG. 11 , a first node 1100 includes a first receiver 1101 and a second receiver 1102 .

The first receiver 1101 receives first signaling and second signaling, the first signaling is used to indicate SPS configuration, and the second signaling is used to provide a downlink arrangement of the SPS configuration;

The second receiver 1102 receives the first signal in the first time unit;

In Embodiment 11, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after at least channel coding and modulation of the first bit block; The number of bits included in the first bit block is related to the Y.

As an embodiment, the second signaling is used to indicate SPS activation; the second signaling is used to determine frequency domain resources occupied by the first signal.

As an embodiment, neither the coding rate used by the channel coding of the first bit block nor the modulation order used by the modulation of the first bit block has anything to do with the Y; The number of REs occupied by a signal is related to the Y.

As an embodiment, at least one of the coding rate used for the channel coding of the first bit block and the modulation order used for the modulation of the first bit block is the same as the Y related.

As an embodiment, the first signaling is used to determine the first MCS table, the second signaling is used to indicate the target MCS index from the first MCS table, the target MCS index and The Y is jointly used to determine at least one of the coding rate used for the channel coding of the first bit block and the modulation order used for the modulation of the first bit block .

As an embodiment, the first signaling is used to indicate a first SPS configuration index, and the period of the SPS configuration corresponding to the first SPS configuration index is used to determine the first time unit set and the second time unit set ; Both the first time unit set and the second time unit set include a positive integer number of time units greater than 1; the first time unit set includes the first time unit or the second time unit set includes The first time unit.

As an embodiment, the first signaling is used to determine at least one of the first set of time units or the second set of time units.

As an embodiment, the first signal is for the first service type, and the period of the first service type is equal to M1 milliseconds, where M1 is a real number greater than 1, and the channel coding performed by the first bit block is The coding rate adopted and the modulation order adopted by the modulation of the first bit block are the first MCS index or the second MCS index; the value of M1 is used to determine the first MCS index and the The difference of the second MCS index.

As an embodiment, the first receiver 1101 includes at least the first four of the antenna 452 , receiver 454 , multi-antenna receiving processor 458 , receiving processor 456 , and controller/processor 459 in Embodiment 4.

As an embodiment, the second receiver 1102 includes at least the first four of the antenna 452 , receiver 454 , multi-antenna receiving processor 458 , receiving processor 456 , and controller/processor 459 in Embodiment 4.

As an embodiment, the first signaling is RRC signaling, the second signaling is PDCCH, the first signal is PDSCH, the second signaling is used to activate an SPS configuration, and the first A signal is obtained after the first bit block undergoes at least channel coding and modulation, and the first signal is the PDSCH corresponding to the Y-th downlink arrangement after the SPS configuration is activated; the first signal is the first bit The block is obtained after at least channel coding and modulation; the TBS included in the first bit block is related to the Y.

Example 12

Embodiment 12 illustrates a structural block diagram of a second node, as shown in FIG. 12 . In FIG. 12 , the second node 1200 includes a first transmitter 1201 and a second transmitter 1202 .

The first transmitter 1201 sends first signaling and second signaling, the first signaling is used to indicate SPS configuration, and the second signaling is used to provide a downlink arrangement of the SPS configuration;

The second transmitter 1202, transmits the first signal in the first time unit;

In Embodiment 12, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after at least channel coding and modulation of the first bit block; The number of bits included in the first bit block is related to the Y.

As an embodiment, the second signaling is used to indicate SPS activation; the second signaling is used to determine frequency domain resources occupied by the first signal.

As an embodiment, neither the coding rate used by the channel coding of the first bit block nor the modulation order used by the modulation of the first bit block has anything to do with the Y; The number of REs occupied by a signal is related to the Y.

As an embodiment, at least one of the coding rate used for the channel coding of the first bit block and the modulation order used for the modulation of the first bit block is the same as the Y related.

As an embodiment, the first signaling is used to determine the first MCS table, the second signaling is used to indicate the target MCS index from the first MCS table, the target MCS index and The Y is jointly used to determine at least one of the coding rate used for the channel coding of the first bit block and the modulation order used for the modulation of the first bit block .

As an embodiment, the first signaling is used to indicate a first SPS configuration index, and the period of the SPS configuration corresponding to the first SPS configuration index is used to determine the first time unit set and the second time unit set ; Both the first time unit set and the second time unit set include a positive integer number of time units greater than 1; the first time unit set includes the first time unit or the second time unit set includes The first time unit.

As an embodiment, the first signaling is used to determine at least one of the first set of time units or the second set of time units.

As an embodiment, the first signal is for the first service type, and the period of the first service type is equal to M1 milliseconds, where M1 is a real number greater than 1, and the channel coding performed by the first bit block is The coding rate adopted and the modulation order adopted by the modulation of the first bit block are the first MCS index or the second MCS index; the value of M1 is used to determine the first MCS index and the The difference of the second MCS index.

As an embodiment, the first transmitter 1201 includes at least the first four of the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, the transmission processor 414, and the controller/processor 475 in Embodiment 4.

As an embodiment, the second transmitter 1202 includes at least the first four of the antenna 420, the transmitter 418, the multi-antenna transmission processor 471, the transmission processor 414, and the controller/processor 475 in Embodiment 4.

As an embodiment, the first signaling is RRC signaling, the second signaling is PDCCH, the first signal is PDSCH, the second signaling is used to activate an SPS configuration, and the first A signal is obtained after the first bit block undergoes at least channel coding and modulation, and the first signal is the PDSCH corresponding to the Y-th downlink arrangement after the SPS configuration is activated; the first signal is the first bit The block is obtained after at least channel coding and modulation; the TBS included in the first bit block is related to the Y.

Those skilled in the art can understand that all or part of the steps in the above method can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, such as a read-only memory, a hard disk or an optical disk. Optionally, all or part of the steps in the foregoing embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module unit in the above-mentioned embodiments may be implemented in the form of hardware, or may be implemented in the form of software function modules, and the present application is not limited to any specific combination of software and hardware. The first node in this application includes but is not limited to mobile phones, tablet computers, notebooks, network cards, low-power devices, eMTC devices, NB-IoT devices, vehicle communication devices, vehicles, vehicles, RSUs, aircrafts, airplanes, wireless Man-machine, remote control aircraft and other wireless communication equipment. The second node 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, transmission and receiving node TRP, GNSS, relay satellite, satellite base station, aerial base station , RSU, unmanned aerial vehicles, test equipment, such as transceiver devices or signaling testers that simulate some functions of base stations, and other wireless communication equipment.

Those skilled in the art will appreciate that the present invention may be embodied in other specified forms without departing from its core or essential characteristics. Therefore, the presently disclosed embodiments are to be regarded as descriptive rather than restrictive in any way. The scope of the invention is determined by the appended claims rather than the foregoing description, and all changes within their equivalent meaning and range are deemed to be embraced therein.

Claims (11)

1. A first node used in wireless communication, characterized in that it comprises: The first receiver receives first signaling and second signaling, the first signaling is used to indicate the SPS configuration, and the second signaling is used to provide a downlink arrangement of the SPS configuration; a second receiver, receiving the first signal in the first time unit; Wherein, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after the first bit block undergoes at least channel coding and modulation; the first The number of bits included in a bit block is related to the Y. 2. The first node according to claim 1, wherein the second signaling is used to indicate SPS activation; the second signaling is used to determine the frequency domain occupied by the first signal resource. 3. The first node according to claim 1 or 2, characterized in that, the coding rate adopted by the channel coding of the first bit block is different from the coding rate adopted by the modulation of the first bit block. The modulation order of is not related to the Y; the number of REs occupied by the first signal is related to the Y. 4. The first node according to claim 1 or 2, characterized in that, the coding rate adopted by the channel coding of the first bit block is different from the coding rate adopted by the modulation of the first bit block. At least one of the modulation orders of is related to the Y. 5. The first node according to claim 4, wherein the first signaling is used to determine a first MCS table, and the second signaling is used to indicate from the first MCS table The target MCS index, the target MCS index and the Y are jointly used to determine the coding rate used by the channel coding of the first bit block and the modulation rate used by the first bit block. At least one of the two modulation orders employed. 6. The first node according to claim 5, wherein the first signaling is used to indicate a first SPS configuration index, and the period of the SPS configuration corresponding to the first SPS configuration index is used for Determine a first time unit set and a second time unit set; both the first time unit set and the second time unit set include a positive integer number of time units greater than 1; the first time unit set includes the first time unit set A time unit or the second set of time units includes the first time unit. 7. The first node according to claim 6, wherein the first signaling is used to determine at least one of the first set of time units or the second set of time units. 8. The first node according to any one of claims 1 to 7, wherein the first signal is for a first service type, the period of the first service type is equal to M1 milliseconds, and the M1 is a real number greater than 1, the coding rate adopted by the channel coding of the first bit block and the modulation order adopted by the modulation of the first bit block are the first MCS index or the second MCS Index; the value of M1 is used to determine the difference between the first MCS index and the second MCS index. 9. A second node used in wireless communication, characterized by comprising: The first transmitter sends first signaling and second signaling, the first signaling is used to indicate the SPS configuration, and the second signaling is used to provide a downlink arrangement of the SPS configuration; a second transmitter, sending a first signal in a first time unit; Wherein, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after the first bit block undergoes at least channel coding and modulation; the first The number of bits included in a bit block is related to the Y. 10. A method for use in a first node in wireless communication, comprising: receiving first signaling and second signaling, the first signaling being used to indicate SPS configuration, and the second signaling being used to provide a downlink arrangement of the SPS configuration; receiving a first signal in a first time unit; Wherein, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after the first bit block undergoes at least channel coding and modulation; the first The number of bits included in a bit block is related to the Y. 11. A method in a second node in wireless communication, characterized by comprising: sending first signaling and second signaling, the first signaling being used to indicate SPS configuration, and the second signaling being used to provide a downlink arrangement of the SPS configuration; sending a first signal in a first time unit; Wherein, the first time unit is occupied by the Yth downlink arrangement after the one downlink arrangement is configured; the first signal is obtained after the first bit block undergoes at least channel coding and modulation; the first The number of bits included in a bit block is related to the Y.

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