CN111972018B

CN111972018B - Method and device used in user equipment and base station for wireless communication

Info

Publication number: CN111972018B
Application number: CN201880090946.8A
Authority: CN
Inventors: 吴克颖; 张晓博; 杨林
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2018-05-24
Filing date: 2018-05-24
Publication date: 2022-12-27
Anticipated expiration: 2038-05-24
Also published as: CN115865294A; CN111972018A; WO2019222952A1

Abstract

The application discloses a method and a device in user equipment, a base station used for wireless communication. The user equipment receives first signaling in a first resource element set; a first wireless signal is received on a first cell. Wherein the first signaling comprises scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first set of resource elements. When the available frequency band and bandwidth of the system on the unlicensed spectrum change dynamically, the method can avoid the waste of the overhead of the domain related to resource allocation in the scheduling signaling.

Description

Method and device used in user equipment and base station for wireless communication

Technical Field

The present application relates to methods and apparatus in a wireless communication system, and more particularly, to methods and apparatus in a wireless communication system that supports data transmission over an Unlicensed Spectrum (Unlicensed Spectrum).

Background

In the future, the application scenes of the wireless communication system are more and more diversified, and different application scenes put different performance requirements on the system. In order to meet different performance requirements of various application scenarios, research projects of Access through Unlicensed Spectrum (Unlicensed Spectrum) under NR (New Radio) are also performed on 3GPP (3 rd Generation Partner Project) RAN (Radio Access Network) #75 omnisessions. The 3gpp ran #78 decided for the first time to support unlicensed spectrum access in NR Release 15.

In the LAA (licensed Assisted Access) project of LTE (Long Term Evolution), a transmitter (base station or user equipment) needs to perform LBT (Listen Before Talk) Before transmitting data on an unlicensed spectrum to ensure that no interference is caused to other ongoing radio transmissions on the unlicensed spectrum. According to the discussion of the 3GPP RAN1#92bis conference, in an NR-U (NR-Unlicensed spectrum) system, LBT is in units of 20MHz.

Disclosure of Invention

The inventor finds out through research that LBT performed in a unit of 20MHz in a frequency band with a bandwidth exceeding 20MHz causes dynamic changes of the available frequency band and the bandwidth of a system. In order not to increase the number of blind detections for the downlink control channel, the domain related to resource allocation in the scheduling signaling is designed according to the maximum possible bandwidth. This results in a waste of control signaling overhead when the actual available bandwidth is less than the maximum possible bandwidth.

In view of the above, the present application discloses a solution. It should be noted that, without conflict, the embodiments and features in the embodiments in the user equipment of the present application may be applied to the base station, and vice versa. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

The application discloses a method used in a user equipment for wireless communication, which is characterized by comprising the following steps:

receiving first signaling in a first set of resource elements;

receiving a first wireless signal on a first cell;

wherein the first signaling comprises scheduling information of the first wireless signal; a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell is related to the first set of resource elements.

As an embodiment, the problem to be solved by the present application is: when the available frequency band and bandwidth of a system are dynamically changed due to sub-band (sub-band) LBT and the like on an unlicensed frequency spectrum, how to effectively design a domain related to resource allocation in scheduling signaling, and avoid the waste of control signaling overhead when the actual available bandwidth is smaller than the maximum possible bandwidth. The above method solves this problem by establishing a link between the frequency resources occupied by the scheduled data and the time-frequency resources occupied by the scheduling signalling.

As an embodiment, the method is characterized in that the first set of resource elements reflects a frequency band and a bandwidth available to the current system. The frequency resources occupied by the first wireless signal are allocated within the frequency band and bandwidth available to the current system. By associating the frequency resource occupied by the first wireless signal with the first resource particle set, the signaling overhead required by resource allocation can be reduced, or redundant bits in the domain related to resource allocation in the first signaling are set to fixed values to assist decoding, thereby improving the transmission reliability of the first signaling.

As an example, the above method has the benefits of: the waste of control signaling overhead caused by the dynamic change of the available frequency band and bandwidth of the system is avoided on the unlicensed frequency spectrum based on sub-band (sub-band) LBT.

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

performing detection for the first signaling Q1 times in Q1 of the Q resource particle sets, respectively;

wherein the first set of resource elements is one of the Q1 sets of resource elements in which the user equipment successfully received the first signaling; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the index of the first resource particle set in the Q resource particle sets, Q is a positive integer greater than 1, and Q1 is a positive integer not greater than Q.

As an embodiment, the method has the advantage that the frequency resources occupied by different resource element sets in the Q resource element sets may correspond to different sub-band LBTs, so that the problem that a UE cannot be scheduled due to the fact that all downlink control channels candidate of the UE are located on non-idle frequency bands is greatly reduced.

According to an aspect of the present application, any one of the Q resource particle sets belongs to one of M resource particle pools, and the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any resource particle pool of the M resource particle pools comprises a positive integer number of the Q resource particle sets; the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell is related to the target resource particle pool; and M is a positive integer greater than 1.

According to one aspect of the present application, it is characterized in that the frequency resource occupied by the first resource element set belongs to K1 sub-bands of K sub-bands; a first channel access detection is used to determine that the K1 of the K subbands may be used to transmit wireless signals; the K1 is a positive integer, and the K is a positive integer not less than the K1.

According to an aspect of the present application, the first channel access detection includes K sub-detections, the K sub-detections are performed on the K sub-bands respectively, and K1 sub-detections of the K sub-detections are used to determine that the K1 sub-bands can be used for transmitting wireless signals respectively.

According to an aspect of the application, it is characterized in that the K1 sub-band comprises frequency resources occupied by the first radio signal in the frequency domain.

According to one aspect of the application, it is characterized in that the first signaling comprises a first domain, and the first domain in the first signaling is used for determining the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell; the interpretation of the first domain in the first signaling is related to the first set of resource elements.

performing detection for the second signaling in the first resource element pool;

wherein the first information is used to determine whether the first pool of resource particles and the first set of resource particles occupy a same subband of N subbands; the time resource occupied by the first resource particle pool is later than the time resource occupied by the first wireless signal; and N is a positive integer greater than 1.

As an embodiment, the above method is characterized in that the sender of the first signaling can flexibly indicate whether active BWP of the user equipment is switched to BWP occupied by the first wireless signal. Due to the LBT, the sender of the first signaling cannot guarantee that the BWP occupied by the first wireless signal can be used for transmitting the wireless signal in the next COT (Channel occupancy Time). The method has the advantages that the UE can be allowed to always monitor the downlink control channel on a broadband BWP, and the possibility that the UE cannot be sent downlink control signaling due to partial sub-band LBT failure is reduced.

The application discloses a method used in a base station for wireless communication, which is characterized by comprising the following steps:

transmitting first signaling in a first set of resource elements;

transmitting a first wireless signal on a first cell;

wherein the first signaling comprises scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first set of resource elements.

According to an aspect of the present application, the first set of resource particles is one of Q sets of resource particles; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the index of the first resource particle set in the Q resource particle sets, and Q is a positive integer greater than 1.

According to an aspect of the present application, any one of the Q resource particle sets belongs to one of M resource particle pools, and the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any one of the M resource particle pools comprises a positive integer of the Q resource particle sets; the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell is related to the target resource particle pool; and M is a positive integer greater than 1.

performing a first channel access detection on the K subbands;

wherein the frequency resources occupied by the first resource particle set belong to K1 sub-bands of the K sub-bands; the first channel access detection is used to determine that the K1 of the K subbands may be used to transmit wireless signals; the K1 is a positive integer, and the K is a positive integer not less than the K1.

According to an aspect of the application, it is characterized in that the K1 sub-bands comprise frequency resources occupied by the first radio signal in the frequency domain.

According to one aspect of the present application, it is characterized in that the first signaling comprises a first field, and the first field in the first signaling is used for determining the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell; the interpretation of the first domain in the first signaling is related to the first set of resource elements.

transmitting second signaling in the first resource element pool;

wherein the first information is used to determine whether the first pool of resource particles and the first set of resource particles occupy the same subband of the N subbands; the time resource occupied by the first resource particle pool is later than the time resource occupied by the first wireless signal; the N is a positive integer greater than 1.

The application discloses a user equipment used for wireless communication, characterized by comprising:

a first receiver module to receive first signaling in a first set of resource elements;

a second receiver module that receives a first wireless signal on a first cell;

As an embodiment, the above user equipment used for wireless communication is characterized in that the first receiver module performs detection for the first signaling Q1 times in Q1 resource element sets of Q resource element sets, respectively; wherein the first set of resource elements is one of the Q1 sets of resource elements in which the user equipment successfully received the first signaling; the position of the frequency resource occupied by the first radio signal within the frequency resource occupied by the first cell is related to the index of the first set of resource elements among the Q sets of resource elements, Q is a positive integer greater than 1, Q1 is a positive integer not greater than Q.

As an embodiment, the user equipment used for wireless communication is characterized in that any one of the Q resource particle sets belongs to one of M resource particle pools, and the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any one of the M resource particle pools comprises a positive integer of the Q resource particle sets; the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell is related to the target resource particle pool; and M is a positive integer greater than 1.

As an embodiment, the user equipment used for wireless communication is characterized in that the frequency resources occupied by the first resource element set belong to K1 sub-bands of K sub-bands; a first channel access detection is used to determine that the K1 of the K subbands may be used to transmit wireless signals; the K1 is a positive integer, and the K is a positive integer not less than the K1.

As an embodiment, the above user equipment used for wireless communication is characterized in that the first channel access detection includes K sub-detections, the K sub-detections are performed on the K sub-bands respectively, and K1 sub-detections of the K sub-detections are used for determining that the K1 sub-bands can be used for transmitting wireless signals respectively.

As an embodiment, the above user equipment for wireless communication is characterized in that the K1 sub-band includes frequency resources occupied by the first wireless signal in a frequency domain.

As an embodiment, the above user equipment used for wireless communication is characterized in that the first signaling includes a first field, and the first field in the first signaling is used to determine the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell; the interpretation of the first domain in the first signaling is related to the first set of resource elements.

As an embodiment, the above user equipment for wireless communication is characterized in that the first receiver module performs detection for the second signaling in a first resource particle pool; wherein the first information is used to determine whether the first pool of resource particles and the first set of resource particles occupy the same subband of the N subbands; the time resource occupied by the first resource particle pool is later than the time resource occupied by the first wireless signal; the N is a positive integer greater than 1.

The application discloses a base station device used for wireless communication, characterized by comprising:

the first processing module is used for sending a first signaling in the first resource particle set;

a first transmitter module that transmits a first wireless signal on a first cell;

As an embodiment, the base station apparatus used for wireless communication described above is characterized in that the first set of resource elements is one set of resource elements out of Q sets of resource elements; the position of the frequency resource occupied by the first radio signal within the frequency resource occupied by the first cell is related to the index of the first set of resource elements among the Q sets of resource elements, Q being a positive integer greater than 1.

As an embodiment, the base station apparatus used for wireless communication described above is characterized in that any one of the Q resource particle sets belongs to one of M resource particle pools, and the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any resource particle pool of the M resource particle pools comprises a positive integer number of the Q resource particle sets; the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell is related to the target resource particle pool; and M is a positive integer greater than 1.

As an embodiment, the above base station device for wireless communication is characterized in that the first processing module performs first channel access detection on K sub-bands; wherein the frequency resources occupied by the first resource particle set belong to K1 sub-bands of the K sub-bands; the first channel access detection is used to determine that the K1 of the K subbands may be used to transmit wireless signals; the K1 is a positive integer, and the K is a positive integer not less than the K1.

As an embodiment, the above base station device used for wireless communication is characterized in that the first channel access detection includes K sub-detections, the K sub-detections are respectively performed on the K sub-bands, and K1 sub-detections in the K sub-detections are respectively used for determining that the K1 sub-bands can be used for transmitting wireless signals.

As an embodiment, the above base station device for wireless communication is characterized in that the K1 sub-band includes, in a frequency domain, frequency resources occupied by the first wireless signal.

As an embodiment, the above base station device used for wireless communication is characterized in that the first signaling includes a first field, and the first field in the first signaling is used to determine the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell; the interpretation of the first domain in the first signaling is related to the first set of resource elements.

As an embodiment, the base station device used for wireless communication is characterized in that the first processing module sends the second signaling in the first resource particle pool; wherein the first information is used to determine whether the first pool of resource particles and the first set of resource particles occupy a same subband of N subbands; the time resource occupied by the first resource particle pool is later than the time resource occupied by the first wireless signal; and N is a positive integer greater than 1.

As an example, compared with the conventional scheme, the method has the following advantages:

when the available frequency band and bandwidth of the system are dynamically changed due to sub-band (sub-band) LBT and the like on the unauthorized frequency spectrum, the range of the frequency resource occupied by the data channel is implicitly indicated according to the frequency resource occupied by the scheduling signaling, so that the waste of the overhead of a domain related to resource allocation in the scheduling signaling is avoided.

The UE monitors the downlink control channel on the frequency band corresponding to different sub-band LBTs, and the problem that the UE cannot be scheduled because all downlink control channels candidate of the UE are located on non-idle frequency bands is greatly reduced.

Drawings

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

fig. 1 shows a flow diagram of first signaling and first wireless signals according to an embodiment of the application;

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

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

fig. 4 illustrates a schematic diagram of an NR (New Radio) node and a UE according to an embodiment of the present application;

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

FIG. 6 shows a schematic diagram of resource mapping of Q sets of resource particles in the time-frequency domain according to an embodiment of the present application;

FIG. 7 shows a schematic diagram of resource mapping of Q sets of resource particles in the time-frequency domain according to an embodiment of the present application;

fig. 8 shows a schematic diagram of a resource mapping of M resource particle pools in the time-frequency domain according to an embodiment of the present application;

fig. 9 shows a schematic diagram of a resource mapping of M resource particle pools in the time-frequency domain according to an embodiment of the present application;

FIG. 10 shows a schematic diagram of the relationship between K sub-bands and K1 sub-bands according to one embodiment of the present application;

FIG. 11 shows a diagram of the relationship between K sub-bands and N sub-bands according to an embodiment of the application;

FIG. 12 shows a schematic diagram of the relationship between K sub-bands and N sub-bands according to one embodiment of the present application;

figure 13 shows a schematic diagram of the relationship between the position of the frequency resource occupied by the first radio signal within the frequency resource occupied by the first cell and the first set of resource elements, according to one embodiment of the present application;

figure 14 shows a schematic diagram of a relationship between a position of a frequency resource occupied by a first radio signal within a frequency resource occupied by a first cell and a first set of resource elements, according to one embodiment of the present application;

figure 15 shows a schematic diagram of the relationship between the position of the frequency resource occupied by the first radio signal within the frequency resource occupied by the first cell and the first set of resource elements, according to one embodiment of the present application;

figure 16 shows a schematic diagram of a relationship between a position of a frequency resource occupied by a first radio signal within a frequency resource occupied by a first cell and a first set of resource elements, according to one embodiment of the present application;

figure 17 shows a schematic diagram of first signaling according to an embodiment of the present application;

fig. 18 shows a schematic diagram of a first channel access detection according to an embodiment of the application;

fig. 19 shows a schematic diagram of a first channel access detection according to an embodiment of the present application;

fig. 20 shows a schematic diagram of a first channel access detection according to an embodiment of the present application;

FIG. 21 shows a flow diagram of one of K sub-detections, according to one embodiment of the present application;

FIG. 22 shows a flow diagram of one of the K sub-detections, according to one embodiment of the present application;

FIG. 23 shows a flow diagram of one of K sub-detections, according to one embodiment of the present application;

fig. 24 shows a schematic illustration of a resource mapping of a first pool of resource particles in the time-frequency domain according to an embodiment of the application;

FIG. 25 shows a block diagram of a processing device for use in a user equipment according to an embodiment of the present application;

fig. 26 shows a block diagram of a processing device for use in a base station according to an embodiment of the present application.

Example 1

Embodiment 1 illustrates a flow chart of first information and a first wireless signal; as shown in figure 1.

In embodiment 1, the ue in this application receives a first signaling in a first set of resource elements; the first wireless signal is then received on the first cell. Wherein the first signaling comprises scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first set of resource elements.

As an embodiment, the first set of Resource particles includes a positive integer number of REs (Resource elements).

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

As an embodiment, the multicarrier symbol is an OFDM (Orthogonal Frequency Division Multiplexing) symbol.

As an embodiment, the multicarrier symbol is an SC-FDMA (Single Carrier-Frequency Division Multiple Access) symbol.

As an embodiment, the multicarrier symbol is a DFT-S-OFDM (Discrete Fourier Transform Spread OFDM) symbol.

As an embodiment, the first set of resource elements is a downlink physical layer control channel candidate.

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

As an embodiment, the first signaling is dynamic signaling.

As an embodiment, the frequency resource occupied by the first cell is a Carrier (Carrier).

As an embodiment, the frequency resource occupied by the first cell is a Carrier (Carrier) deployed in an unlicensed spectrum.

As an embodiment, the frequency resource occupied by the first cell is a Carrier (Carrier) deployed in LAA spectrum.

As an embodiment, the frequency resource occupied by the first cell is deployed in an unlicensed spectrum.

As an embodiment, the frequency resources occupied by the first cell are deployed in an LAA spectrum.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the frequency resource occupied by the first resource element set.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first signaling.

As an embodiment, the first set of resource elements and the first signaling are used together to determine a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell.

As an embodiment, the frequency resource occupied by the first resource element set and the first signaling are used together to determine a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell.

As an embodiment, the first wireless signal does not occupy frequency resources other than the frequency resources occupied by the first cell.

As an embodiment, the scheduling information of the first radio signal includes at least one of { occupied time Domain resource, occupied frequency Domain resource, MCS (Modulation and Coding Scheme), configuration information of DMRS (DeModulation Reference Signals), HARQ (Hybrid Automatic Repeat reQuest) process number, RV (Redundancy Version), NDI (New Data Indicator), transmit antenna port, corresponding Spatial Rx parameters (Spatial Rx parameters), corresponding Spatial transmit Filter (Spatial Domain Transmission Filter), and corresponding Spatial Receive Filter (Spatial Domain received Filter) }.

As an embodiment, the configuration information of the DMRS includes one or more of { RS sequence, mapping manner, DMRS type, occupied time domain resource, occupied frequency domain resource, occupied Code domain resource, cyclic shift amount (cyclic shift), and Orthogonal Code (OCC) }.

Example 2

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

Fig. 2 illustrates a network architecture 200 of LTE (Long-Term Evolution), LTE-a (Long-Term Evolution Advanced) and future 5G systems. The LTE network architecture 200 may be referred to as EPS (Evolved Packet System) 200. The EPS200 may include one or more UEs (User Equipment) 201, E-UTRAN-NR (Evolved UMTS terrestrial radio Access network-New Wireless) 202,5G-CN (5G-CoreNetwork, 5G Core network)/EPC (Evolved Packet Core) 210, HSS (Home Subscriber Server) 220, and Internet services 230. Among them, UMTS corresponds to Universal Mobile Telecommunications System (Universal Mobile Telecommunications System). The EPS200 may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown in fig. 2, the EPS200 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 that provide circuit-switched services. The E-UTRAN-NR202 includes NR (New Radio ) node bs (gnbs) 203 and other gnbs 204. The gNB203 provides user and control plane protocol terminations towards the UE 201. The gnbs 203 may be connected to other gnbs 204 via an X2 interface (e.g., backhaul). The gNB203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic Service Set (BSS), an Extended Service Set (ESS), a TRP (point of transmission reception), or some other suitable terminology. The gNB203 provides the UE201 with an access point to the 5G-CN/EPC210. Examples of the UE201 include a cellular phone, a smart phone, a Session Initiation Protocol (SIP) phone, a laptop, a Personal Digital Assistant (PDA), a satellite radio, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a gaming console, a drone, an aircraft, a narrowband physical network device, a machine type communication device, a terrestrial vehicle, an automobile, a wearable device, or any other similar functioning device. UE201 may also be referred to by those skilled in the art as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless communications device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable terminology. The gNB203 is connected to the 5G-CN/EPC210 through an S1 interface. The 5G-CN/EPC210 includes an MME211, other MMEs 214, an S-GW (Service Gateway) 212, and a P-GW (Packet data Network Gateway) 213. The MME211 is a control node that handles signaling between the UE201 and the 5G-CN/EPC210. In general, the MME211 provides bearer and connection management. All user IP (Internet protocol) packets are transmitted through S-GW212, and S-GW212 itself is connected to P-GW213. The P-GW213 provides UE IP address allocation as well as other functions. The P-GW213 is connected to the internet service 230. The internet service 230 includes an operator-corresponding internet protocol service, and may specifically include internet, intranet, IMS (IP Multimedia Subsystem), and Packet switching (Packet switching) services.

As an embodiment, the gNB203 corresponds to the base station in this application.

As an embodiment, the UE201 corresponds to the UE in this application.

As an embodiment, the UE201 supports wireless communication for data transmission over an unlicensed spectrum.

As an embodiment, the gNB203 supports wireless communication of data transmissions over unlicensed spectrum.

Example 3

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

Fig. 3 is a schematic diagram illustrating an embodiment of radio protocol architecture for the user plane and the control plane, fig. 3 showing the radio protocol architecture for the UE and the gNB in three layers: layer 1, layer 2 and layer 3. Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be referred to herein as PHY301. Layer 2 (L2 layer) 305 is above PHY301 and is responsible for the link between the UE and the gNB through PHY301. In the user plane, the L2 layer 305 includes a MAC (Medium Access Control) sublayer 302, an RLC (Radio Link Control) sublayer 303, and a PDCP (Packet Data Convergence Protocol) sublayer 304, which terminate at the gNB on the network side. Although not shown, the UE may have several protocol layers above the L2 layer 305, including a network layer (e.g., IP layer) that terminates at the P-GW213 on the network side and an application layer that terminates at the other end of the connection (e.g., far end UE, server, etc.). The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides header compression for upper layer packets to reduce radio transmission overhead, security by ciphering the packets, and handover support for UEs between gnbs. 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 (Hybrid Automatic Repeat reQuest). The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating various radio resources (e.g., resource blocks) in one cell among the UEs. The MAC sublayer 302 is also responsible for HARQ operations. In the control plane, the radio protocol architecture for the UE and the gNB is substantially the same for the physical layer 301 and the L2 layer 305, but without the header compression function for the control plane. The Control plane also includes a RRC (Radio Resource Control) sublayer 306 in layer 3 (L3 layer). The RRC sublayer 306 is responsible for obtaining radio resources (i.e., radio bearers) and configures the lower layers using RRC signaling between the gNB and the UE.

The radio protocol architecture of fig. 3 is applicable to the user equipment in the present application as an example.

As an example, the radio protocol architecture in fig. 3 is applicable to the base station in this application.

As an embodiment, the first signaling in this application is generated in the PHY301.

As an embodiment, the first signaling in this application is generated in the MAC sublayer 302.

For one embodiment, the first wireless signal is composed of the PHY301.

As an embodiment, the second signaling in this application is generated in the PHY301.

As an embodiment, the second signaling in this application is generated in the MAC sublayer 302.

As an embodiment, the first information in this application is generated in the PHY301.

As an embodiment, the first information in this application is generated in the MAC sublayer 302.

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

Example 4

Embodiment 4 illustrates a schematic diagram of an NR node and a UE as shown in fig. 4. Fig. 4 is a block diagram of a UE450 and a gNB410 in communication with each other in an access network.

The gNB410 includes a controller/processor 475, a memory 476, a receive processor 470, a transmit processor 416, a multiple antenna receive processor 472, a multiple antenna transmit processor 471, a transmitter/receiver 418, and an antenna 420.

The UE450 includes a controller/processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter/receiver 454, and an antenna 452.

In the DL (Downlink), at the gNB410, upper layer data packets from the core network are provided to a controller/processor 475. The controller/processor 475 implements the functionality of the L2 layer. In the DL, the controller/processor 475 provides header compression, ciphering, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the UE450 based on various priority metrics. The controller/processor 475 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the UE 450. The transmit processor 416 and the multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (i.e., the physical layer). The transmit processor 416 implements coding and interleaving to facilitate Forward Error Correction (FEC) at the UE450, as well as mapping of signal constellation based on various modulation schemes (e.g., binary Phase Shift Keying (BPSK), quadrature Phase Shift Keying (QPSK), M-phase shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM)). The multi-antenna transmit processor 471 performs digital spatial precoding, including codebook-based precoding and non-codebook based precoding, and beamforming on the coded and modulated symbols to generate one or more spatial streams. Transmit processor 416 then maps each spatial stream to subcarriers, multiplexes with reference signals (e.g., pilots) in the time and/or frequency domain, and then uses an Inverse Fast Fourier Transform (IFFT) to generate the physical channels carrying the time-domain multicarrier symbol streams. The multi-antenna transmit processor 471 then performs transmit analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multicarrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream that is then provided to a different antenna 420.

In the DL (Downlink), at the UE450, each receiver 454 receives a signal through its respective antenna 452. Each receiver 454 recovers information modulated onto a radio frequency carrier and converts the radio frequency stream into a baseband multi-carrier symbol stream that is provided to a receive processor 456. Receive processor 456 and multi-antenna receive processor 458 implement the various signal processing functions of the L1 layer. A multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from the receiver 454. Receive processor 456 converts the baseband multicarrier 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 signals and the reference signals to be used for channel estimation are demultiplexed by the receive processor 456, and the data signals are subjected to multi-antenna detection in the multi-antenna receive processor 458 to recover any spatial streams destined for the UE 450. The symbols on each spatial stream are demodulated and recovered at a receive processor 456 and soft decisions are generated. A receive processor 456 then decodes and deinterleaves the soft decisions to recover the upper layer data and control signals transmitted by the gNB410 on the physical channels. The upper layer data and control signals are then provided to a controller/processor 459. The controller/processor 459 implements the functions of the L2 layer. The controller/processor 459 may be associated with a memory 460 that stores program codes and data. Memory 460 may be referred to as a computer-readable medium. In the DL, the controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer data packets from the core network. The upper layer packet is then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing. The controller/processor 459 is also responsible for error detection using an Acknowledgement (ACK) and/or Negative Acknowledgement (NACK) protocol to support HARQ operations.

In the UL (Uplink), at the UE450, 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 gNB410 described in the DL, the controller/processor 459 implements header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on the radio resource allocation of the gNB410, implementing L2 layer functions for the user plane and the control plane. The controller/processor 459 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the gNB 410. A transmit processor 468 performs modulation mapping, channel coding, and digital multi-antenna spatial precoding by a multi-antenna transmit processor 457 including codebook-based precoding and non-codebook based precoding, and beamforming, and the transmit processor 468 then modulates the resulting spatial streams into multi-carrier/single-carrier symbol streams, which are provided to different antennas 452 via a transmitter 454 after analog precoding/beamforming 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 a radio frequency symbol stream that is provided to the antenna 452.

In UL (Uplink), the function at the gNB410 is similar to the reception function at the UE450 described in DL. Each receiver 418 receives an rf signal through its respective antenna 420, converts the received rf signal to a baseband signal, and provides the baseband signal to a multi-antenna receive processor 472 and a receive processor 470. The receive processor 470 and the multiple antenna receive processor 472 collectively implement the functions of the L1 layer. The controller/processor 475 implements the L2 layer functions. The controller/processor 475 can be associated with a memory 476 that stores program codes and data. Memory 476 may be referred to as a computer-readable medium. In the UL, the controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer packets from the UE 450. Upper layer data packets from the controller/processor 475 may be provided to a core network. Controller/processor 475 is also responsible for error detection using the ACK and/or NACK protocol to support HARQ operations.

As an embodiment, the UE450 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The UE450 apparatus at least: receiving the first signaling in the present application in the first set of resource elements in the present application; receiving the first wireless signal in the present application on the first cell in the present application. Wherein the first signaling comprises scheduling information of the first wireless signal; a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell is related to the first set of resource elements.

As an embodiment, the UE450 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: receiving the first signaling in the present application in the first set of resource elements in the present application; receiving the first wireless signal in the present application on the first cell in the present application. Wherein the first signaling comprises scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first set of resource elements.

As an embodiment, the gNB410 includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The gNB410 apparatus at least: sending the first signaling in the present application in the first set of resource elements in the present application; transmitting the first wireless signal in the present application on the first cell in the present application. Wherein the first signaling comprises scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first set of resource elements.

As an embodiment, the gNB410 includes: a memory storing a program of computer readable instructions that when executed by at least one processor result in actions comprising: sending the first signaling in the present application in the first set of resource elements in the present application; transmitting the first wireless signal in the present application on the first cell in the present application. Wherein the first signaling comprises scheduling information of the first wireless signal; a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell is related to the first set of resource elements.

As an embodiment, the gNB410 corresponds to the base station in this application.

As an embodiment, the UE450 corresponds to the user equipment in the present application.

As one embodiment, at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459 is configured to receive the first signaling in the present application; at least one of the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475 is used to send the first signaling in this application.

As one example, at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459, the memory 460, the data source 467 is used to receive the first wireless signal in this application; { at least one of the antenna 420, the transmitter 418, the transmission processor 416, the multi-antenna transmission processor 471, the controller/processor 475, the memory 476], is used to transmit the first wireless signal in this application.

As an embodiment, at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459 is configured to perform the Q1 times of the detection for the first signaling in the Q1 resource element sets of the Q resource element sets in the present application, respectively.

As one embodiment, at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459 is configured to perform detection for the second signaling in the first pool of resource particles in the present application; at least one of the antenna 420, the transmitter 418, the transmit processor 416, the multi-antenna transmit processor 471, the controller/processor 475 is used to send the second signaling in the first pool of resource particles in the present application.

As one example, at least one of the antennas 420, the receiver 418, the receive processor 470, the multi-antenna receive processor 472, the controller/processor 475 is configured to perform the first channel access detection in this application on the K subbands in this application.

Example 5

Embodiment 5 illustrates a flow chart of wireless transmission, as shown in fig. 5. In fig. 5, the base station N1 is a serving cell maintaining base station of the user equipment U2. In fig. 5, the steps in block F1 and block F2, respectively, are optional.

For N1, a first channel access detection is performed on K subbands in step S11; transmitting first signaling in a first set of resource elements in step S12; transmitting a first wireless signal on a first cell in step S13; in step S101, second signaling is sent in the first resource element pool.

For U2, in step S21, performing Q1 times of detection on the first signaling in Q1 resource particle sets of the Q resource particle sets, respectively, and successfully receiving the first signaling in the first resource particle set; receiving a first wireless signal on a first cell in step S22; detection for the second signaling is performed in the first resource element pool in step S201.

In embodiment 5, the first signaling includes scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first set of resource elements. The first set of resource elements is one of the Q1 sets of resource elements; q is a positive integer greater than 1, and Q1 is a positive integer not greater than Q. The frequency resource occupied by the first resource particle set belongs to K1 sub-bands in the K sub-bands; a first channel access detection is used by the N1 to determine that the K1 of the K subbands may be used to transmit wireless signals; the K1 is a positive integer, and the K is a positive integer not less than the K1. First information is used by the U2 to determine whether the first pool of resource particles and the first set of resource particles occupy the same subband of N subbands; the time resource occupied by the first resource particle pool is later than the time resource occupied by the first wireless signal; and N is a positive integer greater than 1.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to an index of the first set of resource elements among the Q sets of resource elements.

As an embodiment, any one of the Q resource element sets includes a positive integer number of REs.

As an embodiment, the Q1 detections for the first signaling are respectively Q1 times Blind Decoding (Blind Decoding) for a Payload Size (Payload Size) of the first signaling.

As an embodiment, any one of the Q resource particle sets belongs to one of M resource particle pools, and the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any resource particle pool of the M resource particle pools comprises a positive integer number of the Q resource particle sets; the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell is related to the target resource particle pool; and M is a positive integer greater than 1.

As an embodiment, any resource particle pool of the M resource particle pools comprises a positive integer number of REs.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to an index of the target resource particle pool in the M resource particle pools.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the frequency resource occupied by the target resource particle pool.

As an embodiment, the first channel access detection is used to determine whether each of the K subbands may be used for transmitting wireless signals.

As an embodiment, the first channel access detection includes K sub-detections, the K sub-detections are performed on the K sub-bands respectively, and K1 sub-detections of the K sub-detections are used to determine that the K1 sub-bands can be used for transmitting wireless signals respectively.

As an embodiment, the K sub-detections are used to determine whether the K sub-bands can be used to transmit wireless signals, respectively.

As an embodiment, the K1 sub-bands include frequency resources occupied by the first wireless signal in a frequency domain.

As an embodiment, the first signaling includes a first field, and the first field in the first signaling is used to determine a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell; the interpretation of the first domain in the first signaling is related to the first set of resource elements.

As an embodiment, the interpretation of the first domain in the first signaling in relation to the first set of resource elements means: the first set of resource elements is used to determine a physical meaning of the first domain in the first signaling.

As an embodiment, the interpretation of the first domain in the first signaling in relation to the first set of resource elements means: the first set of resource particles and the first field in the first signaling together indicate a location of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell.

As an embodiment, the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell in relation to the first set of resource elements includes: the interpretation of the first domain in the first signaling is related to the first set of resource elements.

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

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

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

As an embodiment, the first information is carried by RRC (Radio Resource Control) signaling.

As an embodiment, the first information is carried by a MAC CE (Medium Access Control layer Control Element) signaling.

For one embodiment, the first resource element pool includes a positive integer number of REs.

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

As an embodiment, the second signaling is dynamic signaling.

As an embodiment, the second signaling is dynamic signaling for a DownLink Grant (DownLink Grant).

As an embodiment, the second signaling is dynamic signaling for an UpLink Grant (UpLink Grant).

As an embodiment, the second signaling includes DCI (Downlink Control Information).

As an embodiment, the second signaling includes a DownLink Grant DCI (DownLink Grant DCI).

As an embodiment, the second signaling includes an UpLink Grant DCI (UpLink Grant DCI).

As an embodiment, the second signaling is UE specific.

For one embodiment, the first pool of resource particles comprises a positive integer number of sets of resource particles; the N1 sends the second signaling in one resource particle set in the first resource particle pool.

As an embodiment, the first signaling is transmitted on a downlink physical layer control channel (i.e. a downlink channel that can only be used to carry physical layer signaling).

As a sub-embodiment of the foregoing embodiment, the Downlink Physical layer Control CHannel is a PDCCH (Physical Downlink Control CHannel).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is an EPDCCH (Enhanced PDCCH).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is an sPDCCH (short PDCCH ).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is an NR-PDCCH (New Radio PDCCH).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is an NB-PDCCH (Narrow Band PDCCH).

As an embodiment, the first wireless signal is transmitted on a downlink physical layer data channel (i.e. a downlink channel that can be used to carry physical layer data).

As a sub-embodiment of the foregoing embodiment, the Downlink Physical layer data CHannel is a PDSCH (Physical Downlink Shared CHannel).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer data channel is sPDSCH (short PDSCH).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer data channel is NR-PDSCH (New Radio PDSCH).

As a sub-embodiment of the above embodiment, the downlink physical layer data channel is NB-PDSCH (Narrow Band PDSCH).

As an embodiment, the second signaling is transmitted on a downlink physical layer control channel (i.e. a downlink channel that can only be used for carrying physical layer signaling).

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is a PDCCH.

As a sub-embodiment of the above embodiment, the downlink physical layer control channel is EPDCCH.

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is sPDCCH.

As a sub-embodiment of the above-mentioned embodiment, the downlink physical layer control channel is an NR-PDCCH.

As a sub-embodiment of the foregoing embodiment, the downlink physical layer control channel is an NB-PDCCH.

Example 6

Embodiment 6 illustrates a schematic diagram of resource mapping of Q resource element sets in the time-frequency domain; as shown in fig. 6.

In embodiment 6, the ue in this application performs Q1 times of detection on the first signaling in this application in Q1 resource element sets of the Q resource element sets, respectively, and successfully receives the first signaling in the first resource element set in this application. The first set of resource particles is one of the Q1 sets of resource particles. Q is a positive integer greater than 1, and Q1 is a positive integer not greater than Q. The frequency resource occupied by the first resource element set belongs to the K1 sub-band of the K sub-bands in the present application.

In fig. 6, the indexes of the Q resource particle sets are { # 0., # x., # Q-1], respectively, where x is a positive integer smaller than Q minus 1; the indices of the K1 subbands are { # 0., # y., # K1-1], respectively, wherein y is a positive integer less than K1 minus 1; the box of the thin solid line border represents the resource particle set #0 of the Q resource particle sets, the box of the thick solid line border represents the resource particle set # x of the Q resource particle sets, the box of the thick dashed line border represents the resource particle set # Q-1 of the Q resource particle sets, and the box of the thin dashed line border represents the first resource particle set.

For one embodiment, the first set of resource elements includes a positive integer number of REs.

As a sub-embodiment of the above embodiment, the positive integer number of REs is consecutive in the time domain.

As a sub-embodiment of the above embodiment, the positive integer number of REs is discontinuous in the time domain.

As a sub-embodiment of the above embodiment, the positive integer number of REs is discontinuous in the frequency domain.

As an embodiment, an intersection of the frequency resource occupied by the first resource particle set and any one of the K1 subbands is not empty.

As an embodiment, the frequency resources occupied by the first set of resource elements are distributed over all of the K1 subbands.

As an embodiment, at least 2 resource particle sets exist in the Q resource particle sets, a frequency resource occupied by one resource particle set of the 2 resource particle sets belongs to K4 sub-bands of the K sub-bands, and a frequency resource occupied by another resource particle set of the 2 resource particle sets belongs to K5 sub-bands of the K sub-bands; the K4 sub-bands and the K5 sub-bands do not completely overlap in the frequency domain. The K4 and the K5 are respectively positive integers not greater than the K.

As an example, the first set of resource elements is a PDCCH candidate, and the PDCCH candidate is specifically defined in section 9.1 of 3gpp ts 36.213.

As an example, the first resource element set is an EPDCCH candidate, which is specifically defined in section 9.1 of 3gpp ts 36.213.

As an embodiment, the first set of resource elements is an sPDCCH candidate.

As an embodiment, the first set of resource elements is one NR-PDCCH candidate.

As an embodiment, the first set of resource elements is an NB-PDCCH candidate.

As an embodiment, the Q sets of resource elements are Q downlink physical layer control channels candidate, respectively.

As an embodiment, the Q resource element combinations are Q PDCCH candidates respectively.

As an embodiment, the Q resource element sets are Q EPDCCH candidates respectively.

As an embodiment, the Q resource element aggregates are Q sPDSCH candidates respectively.

As an embodiment, the Q resource element sets are Q NR-PDSCH candidates respectively.

As an embodiment, the Q resource element sets are Q NB-PDSCH candidates respectively.

In one embodiment, at least two of the Q sets of resource elements have a non-empty intersection.

As an embodiment, there is at least one RE belonging to two of the Q resource element sets at the same time.

In an embodiment, at least two resource element sets of the Q resource element sets share a part of the same RE.

As an embodiment, the frequency resource occupied by the first resource particle set is within the frequency resource occupied by the first cell in this application.

As an embodiment, the frequency resource occupied by the first resource particle set belongs to the frequency resource occupied by the first cell in this application.

As an embodiment, the frequency resource occupied by any resource particle set of the Q resource particle sets is within the frequency resource occupied by the first cell in this application.

As an embodiment, the user equipment does not determine whether the first signaling is transmitted before performing the Q1 times of detections for the first signaling.

As an embodiment, the user equipment determines that the first signaling is transmitted according to the Q1 times of detections for the first signaling.

As an embodiment, for each of the Q1 detections for the first signaling, the ue first performs channel estimation and channel equalization on the wireless signal received in the corresponding resource element set, then performs channel decoding according to a payload size of the first signaling, and considers that the first signaling is successfully received if an output of the channel decoding passes CRC (Cyclic Redundancy Check) verification, otherwise considers that the first signaling is not successfully received in the current detection.

As an embodiment, any detection of the Q1 times for the first signaling except the detection corresponding to the first set of resource elements fails to receive the first signaling successfully.

As one example, Q is equal to 44.

As an example, Q1 is equal to Q.

As one embodiment, the Q1 is less than the Q.

As an embodiment, the Q sets of resource elements are configured by higher layer signaling.

As an embodiment, the Q sets of resource elements are configured by RRC signaling.

As an embodiment, the Q sets of resource elements are configured by MAC CE signaling.

As an embodiment, the Q sets of resource elements are UE-specific.

Example 7

Embodiment 7 illustrates a schematic diagram of resource mapping of Q resource element sets in the time-frequency domain; as shown in fig. 7.

In embodiment 7, the ue in this application performs Q1 times of detection on the first signaling in this application in Q1 resource element sets of the Q resource element sets, respectively, and successfully receives the first signaling in the first resource element set in this application. The first set of resource particles is one of the Q1 sets of resource particles. Q is a positive integer greater than 1, and Q1 is a positive integer not greater than Q.

In fig. 7, the indexes of the Q resource particle sets are { # 0., # Q-1}; the box of the thin solid line border represents the resource particle set #0 of the Q resource particle sets, the box of the thick dashed line border represents the resource particle set # Q-1 of the Q resource particle sets, and the box of the thick solid line border represents the first resource particle set.

As a sub-embodiment of the above embodiment, the positive integer number of REs is consecutive in the frequency domain.

Example 8

Embodiment 8 illustrates a schematic diagram of resource mapping of M resource particle pools in the time-frequency domain; as shown in fig. 8.

In embodiment 8, the ue in this application performs Q1 times of detection on the first signaling in this application in Q1 of the Q resource element sets in this application, and successfully receives the first signaling in the first resource element set in this application. The first set of resource particles is one of the Q1 sets of resource particles. Any one of the Q resource particle sets belongs to one of the M resource particle pools in the present application, and the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any one of the M resource particle pools comprises a positive integer of the Q resource particle sets; and M is a positive integer greater than 1. The frequency resource occupied by the first resource particle set belongs to K1 sub-bands of the K sub-bands in the present application.

In fig. 8, the indexes of the M resource particle pools are { # 0., # M-1}, respectively; the indexes of the K1 sub-bands are { # 0., # K1-1}, respectively; the box filled with the blank of the thin solid line frame represents the resource particle pool #0 of the M resource particle pools, the box filled with the blank of the thick solid line frame represents the resource particle set # Q-1 of the Q resource particle sets, the box filled with the blank of the thin dotted line frame represents the target resource particle pool, and the square filled with the left oblique line of the thin solid line frame represents the first resource particle set.

As an embodiment, any one of the M resource particle pools includes a positive integer number of REs.

As an embodiment, any one of the M resource particle pools consists of a positive integer number of the Q resource particle sets.

As an embodiment, at least two of the M resource particle pools include resource particle sets of the Q resource particle sets that are unequal in number.

As an embodiment, the M REsource particle pools belong to the same CORESET (COntrol REsource SET).

As an embodiment, the M resource particle pools belong to the same search space (search space).

As an embodiment, any resource particle pool of the M resource particle pools is a CORESET.

As an embodiment, any one of the M resource particle pools is a search space (search space).

As an embodiment, none of the Q resource particle sets belongs to two of the M resource particle pools.

As an embodiment, at least two resource particle pools of the M resource particle pools share a partially identical RE.

As an embodiment, there is at least one RE belonging to two resource particle pools of the M resource particle pools simultaneously.

As an embodiment, the frequency resource occupied by the target resource particle pool belongs to the K1 sub-bands.

As an embodiment, an intersection of the frequency resource occupied by the target resource particle pool and any one of the K1 sub-bands is not empty.

As an embodiment, the frequency resources occupied by the target resource particle pool are distributed on all sub-bands of the K1 sub-bands.

As an embodiment, the frequency resource occupied by the fourth resource particle pool belongs to K2 sub-bands of the K sub-bands, the frequency resource occupied by the fifth resource particle pool belongs to K3 sub-bands of the K sub-bands, and the K2 sub-bands and the K3 sub-bands are not completely overlapped in the frequency domain; the fourth resource particle pool and the fifth resource particle pool are any two resource particle pools of the M resource particle pools, and K2 and K3 are positive integers not greater than K, respectively.

As an embodiment, the M pools of resource particles are configured by higher layer signaling.

As an embodiment, the M pools of resource particles are configured by RRC signaling.

As an embodiment, the M pools of resource particles are configured by MAC CE signaling.

As an embodiment, the M pools of resource particles are UE-specific.

Example 9

Embodiment 9 illustrates a schematic diagram of resource mapping of M resource particle pools in the time-frequency domain; as shown in fig. 9.

In embodiment 9, the ue in this application performs Q1 times of detection on the first signaling in this application in the Q1 resource particle sets in the Q resource particle sets in this application, and successfully receives the first signaling in the first resource particle set in this application. The first set of resource elements is one of the Q1 sets of resource elements. Any one of the Q resource particle sets belongs to one of the M resource particle pools in the present application, and the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any one of the M resource particle pools includes a positive integer number of the Q resource particle sets.

In fig. 9, the indexes of the M resource particle pools are { # 0., # M-1}, respectively; the blank filled box represents one of the M resource particle pools, and the left-diagonal filled box represents the first set of resource particles.

Example 10

Embodiment 10 illustrates a schematic diagram of the relationship between K subbands and K1 subbands; as shown in fig. 10.

In embodiment 10, the frequency resource occupied by the first resource element set in this application belongs to the K1 sub-bands in the K sub-bands. The K1 is a positive integer, and the K is a positive integer not less than the K1. In fig. 10, the indexes of the K subbands are { # 0., # x., # y., # K-1}, respectively, and x and y are positive integers smaller than K minus 1, respectively, and x is not equal to y; the boxes filled with left slashes indicate subbands in the K1 subbands.

As an embodiment, any one of the K subbands includes a BWP (Bandwidth Part) in one carrier.

As an embodiment, any one of the K subbands includes a plurality of BWPs in one carrier.

As an embodiment, any one of the K subbands includes a positive integer number of consecutive subcarriers.

As an embodiment, any one of the K subbands includes one BWP of carriers occupied by the first cell in this application.

As an embodiment, any one of the K subbands includes a plurality of BWPs in a carrier occupied by the first cell in this application.

As an embodiment, any one of the K sub-bands includes a positive integer number of consecutive sub-carriers of the carriers occupied by the first cell in this application.

As an embodiment, the bandwidth of any one of the K subbands is 20MHz.

As an embodiment, the K subbands are mutually orthogonal (non-overlapping) two by two in the frequency domain.

As an embodiment, the K subbands are contiguous in the frequency domain.

As an embodiment, at least two adjacent sub-bands of the K sub-bands are discontinuous in the frequency domain.

As an embodiment, a guard interval exists between any two adjacent sub-bands in the K sub-bands in a frequency domain.

As an embodiment, the K1 subbands are contiguous in the K subbands.

As an embodiment, at least two adjacent sub-bands of the K1 sub-bands are discontinuous in the K sub-bands.

As an embodiment, the frequency resource occupied by the first cell in this application includes the K sub-bands.

As an embodiment, the frequency resource occupied by the first cell in this application is composed of the K sub-bands.

As an embodiment, the frequency resource occupied by the first cell in this application is a Carrier (Carrier), and the K sub-bands constitute the Carrier occupied by the first cell.

As one example, K is greater than 1.

As an example, K1 is greater than 1.

As an example, K1 is equal to 1.

As an embodiment, K1 is less than K.

As an example, K1 is equal to K.

Example 11

Embodiment 11 illustrates a schematic diagram of the relationship between K subbands and N subbands; as shown in fig. 11.

In embodiment 11, the ue in this application receives the first signaling in this application in the first resource element set in this application, and performs detection on the second signaling in this application in the first resource element pool in this application. The frequency resources occupied by the first set of resource elements belong to the K1 subbands in the K subbands. The first information in this application is used to determine whether the first pool of resource particles and the first set of resource particles occupy the same subband of the N subbands.

In fig. 11, the indices of the K subbands are { # 0., # x., # K-1}, respectively, and x is a positive integer smaller than K minus 1; the indexes of the N sub-bands are { # 0., # y., # N-1], respectively, and y is a positive integer smaller than N minus 1.

As an embodiment, any one of the N subbands comprises one BWP in one carrier.

As an embodiment, any one of the N subbands is a BWP in one carrier.

As an embodiment, any one of the N subbands includes a plurality of BWPs in one carrier.

As an embodiment, any one of the N subbands includes a positive integer number of consecutive subcarriers in one carrier.

As an embodiment, any one of the N subbands includes one BWP of carriers occupied by the first cell in this application.

As an embodiment, any one of the N subbands is a BWP of carriers occupied by the first cell in this application.

As an embodiment, any one of the N subbands includes a plurality of BWPs in a carrier occupied by the first cell in this application.

As an embodiment, any one of the N sub-bands includes a positive integer number of consecutive sub-carriers among the carriers occupied by the first cell in the present application.

As an embodiment, at least two of the N subbands are partially overlapped in the frequency domain.

As an embodiment, any two subbands in the N subbands do not completely overlap in a frequency domain.

As an embodiment, the N subbands are configured by higher layer signaling.

As an embodiment, the N subbands are configured by RRC signaling.

As an embodiment, the N subbands are UE specific (UE specific).

As an embodiment, at least one of the N subbands does not completely coincide with any of the K subbands in the frequency domain.

As an embodiment, at least one of the N subbands belongs to one of the K subbands.

As an embodiment, at least one of the N subbands belongs to a plurality of subbands of the K subbands.

As an embodiment, an intersection of at least one of the N subbands and a plurality of the K subbands is not empty.

Example 12

Embodiment 12 illustrates a schematic diagram of the relationship between K sub-bands and N sub-bands; as shown in fig. 12.

In embodiment 12, the ue in this application receives the first signaling in this application in the first resource element set in this application, and performs detection on the second signaling in this application in the first resource element pool in this application. The frequency resources occupied by the first set of resource elements belong to the K1 subbands in the K subbands. The first information in this application is used to determine whether the first pool of resource particles and the first set of resource particles occupy the same subband of the N subbands. The N is equal to the K.

In fig. 12, the indexes of the K subbands are { #0, # 1., # K-1}, respectively; the indices of the N subbands are { #0, # 1., # N-1}, respectively.

As an embodiment, the N subbands are orthogonal (non-overlapping) to each other two by two in the frequency domain.

As an embodiment, N is equal to K, the N subbands and the K subbands are in one-to-one correspondence, and any one of the N subbands and a corresponding subband of the K subbands completely coincide in a frequency domain.

As an embodiment, N is equal to K, the N subbands and the K subbands are in a one-to-one correspondence, and any one of the N subbands belongs to a corresponding subband in the K subbands in a frequency domain.

Example 13

Embodiment 13 illustrates a schematic diagram of a relationship between a position of a frequency resource occupied by a first wireless signal within a frequency resource occupied by a first cell and a first resource element set; as shown in fig. 13.

In embodiment 13, the ue in this application receives the first signaling in this application in the first resource element set, and receives the first radio signal in this application on the first cell in this application. The first signaling comprises scheduling information of the first wireless signal; a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell is related to the first set of resource elements. The frequency resources occupied by the first resource particle set belong to the K1 sub-bands in the K sub-bands in the present application, and the frequency resources occupied by the first wireless signal are within the K1 sub-bands.

In fig. 13, the indices of the K1 subbands are { # 0., # K1-1}, respectively, and the boxes filled with left oblique lines represent the frequency resources occupied by the first wireless signal.

As an embodiment, the frequency resource occupied by the first resource particle set and the first signaling in this application are used together to determine a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell.

As an embodiment, the K1 sub-band includes frequency resources occupied by the first wireless signal in a frequency domain.

As an embodiment, the frequency resource occupied by the first wireless signal belongs to one of the K1 sub-bands.

As an embodiment, the first resource particle set belongs to the target resource particle pool of the M resource particle pools in the present application.

As an embodiment, the frequency resources occupied by the target resource particle pool belong to the K1 sub-bands.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is independent of a position of the first set of resource particles in the target resource particle pool.

Example 14

Embodiment 14 illustrates a schematic diagram of a relationship between a position of a frequency resource occupied by a first wireless signal within a frequency resource occupied by a first cell and a first resource element set; as shown in fig. 14.

In embodiment 14, the ue in this application receives the first signaling in this application in the first set of resource elements, and receives the first radio signal in this application on the first cell in this application. The first signaling comprises scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first set of resource elements. The frequency resource occupied by the first resource particle set belongs to the K1 sub-bands in the K sub-bands in the present application, and the frequency resource occupied by the first wireless signal is within the K1 sub-bands.

In fig. 14, the indices of the K1 subbands are { # 0., # K1-1}, respectively, and the boxes filled with left slashed lines indicate the frequency resources occupied by the first wireless signal.

As an embodiment, the frequency resources occupied by the first wireless signal belong to a plurality of sub-bands among the K1 sub-bands.

As an embodiment, the frequency resource occupied by the first wireless signal belongs to a plurality of frequency-domain contiguous subbands of the K1 subbands.

As an embodiment, an intersection of the frequency resource occupied by the first wireless signal and the plurality of subbands in the K1 subbands is non-empty.

As an embodiment, an intersection of the frequency resource occupied by the first wireless signal and a plurality of contiguous frequency sub-bands of the K1 frequency sub-bands is non-empty.

As an embodiment, an intersection of the frequency resource occupied by the first wireless signal and any one of the K1 sub-bands is not empty.

As a sub-embodiment of the above embodiment, the K1 sub-bands are contiguous in the frequency domain.

Example 15

Embodiment 15 illustrates a schematic diagram of a relationship between a position of a frequency resource occupied by a first wireless signal within a frequency resource occupied by a first cell and a first resource element set; as shown in fig. 15.

In embodiment 15, the ue in this application performs Q1 times of detection on the first signaling in this application in the Q1 resource particle sets in the Q resource particle sets in this application, and successfully receives the first signaling in the first resource particle set; the user equipment receives the first wireless signal in the present application on the first cell in the present application. The first signaling comprises scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first set of resource elements. The first set of resource particles is one of the Q1 sets of resource particles, and a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to an index of the first set of resource particles in the Q sets of resource particles.

In fig. 15, when the index of the first resource element set in the Q resource element sets belongs to a first index set, the frequency band to which the frequency resource occupied by the first radio signal belongs is represented by a box filled with left oblique lines; when the index of the first resource particle set in the Q resource particle sets belongs to a second index set, the frequency band to which the frequency resource occupied by the first wireless signal belongs is represented by a cross-line filled box; and when the indexes of the first resource particle set in the Q resource particle sets belong to a third index set, the frequency band to which the frequency resource occupied by the first wireless signal belongs is represented by a box filled with small dots. The first, second, and third sets of indices each include a positive integer number of indices.

As one embodiment, the first set of indices, the second set of indices, and the third set of indices are mutually orthogonal two by two.

As one embodiment, the Q resource particle sets are sequentially indexed to 0,1, \ 8230;, Q-1.

As an embodiment, the indexes of the Q resource element sets are maintained by the ue itself, i.e. without base station configuration.

As an embodiment, the indexes of the Q resource element sets sequentially increase according to an order in which the user equipment performs blind decoding.

As an embodiment, the indexes of the Q resource element sets sequentially increase according to an order in which the user equipment performs detection.

As an embodiment, the index of the first set of resource particles in the Q sets of resource particles is related to an order in which the first set of resource particles is detected in the Q sets of resource particles.

As an embodiment, the index of the first set of resource elements in the Q sets of resource elements is related to an order in which the first set of resource elements is blindly decoded in the Q sets of resource elements.

As an embodiment, the first set of resource elements is the last one of the Q1 sets of resource elements to perform detection.

As an embodiment, the first set of resource elements is the last one of the Q1 sets of resource elements to perform blind decoding.

As an embodiment, the detection corresponding to the first set of resource elements in the detection for the first signaling for Q1 times is the last detection performed in the detection for the first signaling for Q1 times.

As an embodiment, the detection corresponding to the first resource element set in the Q1 times of detections for the first signaling is a detection that the first signaling is successfully received in a first one of the Q1 times of detections for the first signaling.

As an embodiment, the indexes of the Q resource element sets are consecutive.

As an embodiment, the indexes of the Q resource element sets are discontinuous.

As an embodiment, the indexes of the Q1 resource element sets in the Q resource element sets are consecutive.

As an embodiment, the indexes of the Q1 resource element sets in the Q resource element sets are discontinuous.

Example 16

Embodiment 16 illustrates a schematic diagram of a relationship between a position of a frequency resource occupied by a first wireless signal within a frequency resource occupied by a first cell and a first resource element set; as shown in fig. 16.

In embodiment 16, the ue in this application receives the first signaling in this application in the first set of resource elements, and receives the first radio signal in this application on the first cell in this application. The first signaling comprises scheduling information of the first wireless signal; a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell is related to the first set of resource elements. The first set of resource particles belongs to the target resource particle pool of the M resource particle pools in the present application; the position of the frequency resource occupied by the first radio signal within the frequency resource occupied by the first cell is related to the index of the target resource particle pool in the M resource particle pools.

In fig. 16, when the index of the target resource particle pool in the M resource particle pools belongs to a fourth index set, the frequency band to which the frequency resource occupied by the first radio signal belongs is represented by a square filled with left slashes; when the index of the target resource particle pool in the M resource particle pools belongs to a fifth index set, the frequency band to which the frequency resource occupied by the first wireless signal belongs is represented by a square filled with a cross line; and when the index of the target resource particle pool in the M resource particle pools belongs to a sixth index set, the frequency band to which the frequency resource occupied by the first wireless signal belongs is represented by a box filled with small dots. The fourth set of indices, the fifth set of indices, and the sixth set of indices each include a positive integer number of indices.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is independent of an index of the first set of resource particles in the target resource particle pool.

As an embodiment, the indexes of the M resource element pools are maintained by the ue in the present application, i.e. no base station configuration is required.

As an embodiment, the indexes of the M resource particle pools sequentially increase according to an order in which the user equipment performs blind decoding in the resource particle sets in the M resource particle pools.

As an embodiment, the indexes of the M resource particle pools sequentially increase according to an order in which the user equipment performs detection in the resource particle sets in the M resource particle pools.

As an embodiment, indexes of all resource particle sets in the same resource particle pool of the M resource particle pools in the Q resource particle sets in the present application are consecutive.

As an embodiment, the indexes of the M resource particle pools sequentially increase according to the indexes of the Q resource particle sets included in the Q resource particle sets.

As an embodiment, the second resource particle set is any one of the Q resource particle sets belonging to a second resource particle pool, the third resource particle set is any one of the Q resource particle sets belonging to a third resource particle pool, and the second resource particle pool and the third resource particle pool are any two of the M resource particle pools. The index of the second resource particle pool in the M resource particle pools is less than the index of the third resource particle pool in the M resource particle pools.

As a sub-embodiment of the above embodiment, the index of the second set of resource particles in the Q sets of resource particles is smaller than the index of the third set of resource particles in the Q sets of resource particles.

As a sub-embodiment of the above-mentioned embodiment, a time when the second set of resource elements is detected is earlier than a time when the third set of resource elements is detected.

As a sub-embodiment of the foregoing embodiment, a time when the second set of resource elements is blindly decoded is earlier than a time when the third set of resource elements is blindly decoded.

As an embodiment, the index of the target resource particle pool in the M resource particle pools relates to an order in which the resource particle sets in the target resource particle pool are detected among the Q resource particle sets.

As an embodiment, the index of the target resource particle pool in the M resource particle pools relates to an order in which resource particle sets in the target resource particle pool are blindly decoded among the Q resource particle sets.

As an embodiment, the index of the target resource particle pool in the M resource particle pools is related to the index of the resource particle sets in the target resource particle pool in the Q resource particle sets.

Example 17

Embodiment 17 illustrates a schematic diagram of first signaling; as shown in fig. 17.

In embodiment 17, the first signaling includes a first field, and the first field in the first signaling is used to determine a position of a frequency resource occupied by the first wireless signal in the present application within a frequency resource occupied by the first cell in the present application; the interpretation of the first domain in the first signaling is related to the first set of resource elements in this application.

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

As an embodiment, the first signaling is dynamic signaling.

As an embodiment, the first signaling is dynamic signaling for a DownLink Grant (DownLink Grant).

As one embodiment, the first signaling includes DCI.

As an embodiment, the first signaling includes a DownLink Grant DCI (DownLink Grant DCI).

As an embodiment, the first signaling is UE specific (UE specific).

As an embodiment, the signaling Identifier of the first signaling is a Cell (C) RNTI (Radio Network Temporary Identifier).

As an embodiment, the first signaling is DCI identified by C-RNTI.

As an embodiment, the first signaling is used to determine a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell.

As an embodiment, the interpretation of the first field in the first signaling is related to frequency resources occupied by the first set of resource elements.

As an embodiment, the interpretation of the first field in the first signaling is related to the indices of the first set of resource elements among the Q sets of resource elements.

As an embodiment, the interpretation of the first field in the first signaling relates to the pool of target resource particles.

As an embodiment, the interpretation of the first field in the first signaling is related to an index of the target resource particle pool among the M resource particle pools.

As an embodiment, the interpretation of the first field in the first signaling is related to frequency resources occupied by the pool of target resource particles.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is indicated by the first field and the first resource element set in the first signaling.

As an embodiment, the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is indicated by the frequency resource occupied by the first domain and the first resource element set in the first signaling together.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is indicated by the first field in the first signaling and an index of the first set of resource elements in the Q sets of resource elements.

As an embodiment, a location of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell is indicated by the first field and the target resource particle pool in the first signaling.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is indicated by the first field in the first signaling and an index of the target resource particle pool in the M resource particle pools.

As an embodiment, a position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is indicated by the frequency resource occupied by the first domain and the target resource particle pool in the first signaling.

As an embodiment, the first field in the first signaling includes part or all of information in a Frequency domain resource allocation (Frequency domain resource allocation) field, and the specific definition of the Frequency domain resource allocation field is described in section 7.3.1 of 3gpp ts38.212.

As an embodiment, the first field in the first signaling includes part or all of information in a Bandwidth interval indicator (Bandwidth interval indicator) field, and the specific definition of the Bandwidth interval indicator field is described in section 7.3.1 of 3gpp ts 38.212.

As an embodiment, the first field in the first signaling includes part or all of information in a Frequency domain resource assignment field and a Bandwidth part indicator field.

As an embodiment, the first signaling includes a second field, and the second field in the first signaling indicates the first information in the present application.

As a sub-embodiment of the above embodiment, the second field in the first signaling comprises 1 bit.

Example 18

Embodiment 18 illustrates a schematic diagram of first channel access detection; as shown in fig. 18.

In embodiment 18, the first channel access detection is used to determine whether each of the K subbands in this application can be used to transmit wireless signals. The first channel access detection comprises K sub-detections, the K sub-detections are respectively performed on the K sub-bands, and K1 sub-detections of the K sub-detections are respectively used for determining that the K1 sub-bands of the K sub-bands can be used for transmitting wireless signals. The K sub-detections are performed independently of each other.

In fig. 18, the indexes of the K subbands are { #0, # 1., # K-1} respectively, and the indexes of the K-time sub-detections are { #0, # 1., # K-1} respectively.

As an embodiment, the first channel access detection is used to determine whether each of the K subbands is free (Idle).

As an embodiment, the first channel access detection is used to determine that the K1 of the K subbands may be used to transmit wireless signals.

As one embodiment, the first channel access detection is used to determine that the K1 of the K subbands are free (Idle).

As an embodiment, the first channel access detection is used by a sender of the first signaling to determine that the K1 of the K subbands may be used to transmit wireless signals.

As an embodiment, the first channel access detection is LBT (Listen Before Talk); specific definitions and implementations of LBT are found in 3gpp tr36.889.

As an embodiment, the first Channel access detection is CCA (Clear Channel Assessment); see 3gpp tr36.889 for specific definition and implementation of CCA.

As an embodiment, the first channel access detection is implemented by a method defined in section 15 of 3gpp ts 36.213.

As an embodiment, the first channel access detection is a wideband channel access detection.

As an embodiment, the ending time of the first channel access detection is not later than the starting time of the time resource occupied by the Q resource particle sets in this application.

As an embodiment, the K sub-detections are respectively used to determine whether the K sub-bands are free (Idle).

As an embodiment, the K1 sub-detections are sub-detections used for determining whether the K1 sub-bands can be used for transmitting wireless signals respectively in the K sub-detections.

As an embodiment, the K1 sub-detections are respectively used to determine the K1 sub-band Idle (Idle).

As an embodiment, the K sub-detections are used by a sender of the first signaling to determine whether the K sub-bands can be used for transmitting wireless signals, respectively.

As an embodiment, the K1 sub-detections are respectively used by the sender of the first signaling to determine that the K1 sub-bands can be used for transmitting wireless signals.

As an embodiment, at least one sub-detection out of the K sub-detections, which does not belong to the K1 sub-detections, is used to determine that the corresponding sub-band is not free (Idle).

As an embodiment, at least one sub-detection out of the K sub-detections, which does not belong to the K1 sub-detections, is used to determine that the corresponding sub-band cannot be used for transmitting wireless signals.

As an embodiment, any sub-detection of the K sub-detections that does not belong to the K1 sub-detections is used to determine that the corresponding sub-band is not free (Idle).

As an embodiment, any sub-detection of the K sub-detections that does not belong to the K1 sub-detections is used to determine that the corresponding sub-band cannot be used for transmitting wireless signals.

As an embodiment, any one of the K sub-assays is LBT; see 3gpp tr36.889 for specific definition and implementation of LBT.

As an embodiment, any of the K sub-detections is CCA; see 3gpp tr36.889 for specific definition and implementation of CCA.

As an embodiment, any sub-detection in the K sub-detections is a Downlink Channel access procedure (Downlink Channel access procedure); the specific definition and implementation of the downlink channel access procedure are described in section 15.1 of 3gpp ts 36.213.

As an example, any one of the K sub-assays is Category 4 LBT (fourth type LBT); see 3GPP TR36.889 for concrete definition and implementation of Category 4 LBT.

As an embodiment, at least one of said K sub-assays is Category 4 LBT (fourth type LBT); see 3GPP TR36.889 for concrete definition and implementation of Category 4 LBT.

As an embodiment, any one of the K sub-detections is implemented in a manner defined in section 15 of 3gpp ts 36.213.

As an embodiment, any of the K sub-detections is a sub-band channel access detection.

As an embodiment, the ending time of any sub-detection in the K sub-detections is not later than the starting time of the time resource occupied by the Q resource particle sets in the present application.

As an embodiment, the ending time of any two sub-detections in the K sub-detections is the same.

As an embodiment, counters (counters) N corresponding to any two sub-detections in the K sub-detections are independent from each other, and the specific definition of the counters (counters) N is described in section 15.1.1 of 3gpp ts36.213 (v14.1.0).

As an embodiment, when the base station stops transmitting on any given sub-band of the K sub-bands, for any given sub-detection except the sub-detection corresponding to the given sub-band among the K sub-detections, after waiting for 4Tsl or resetting (reinitialize) the counter (counter) N corresponding to the given sub-detection, the base station continues to decrement the counter (counter) N corresponding to the given sub-detection when detecting an Idle (Idle) slot.

Example 19

Embodiment 19 illustrates a schematic diagram of first channel access detection; as shown in fig. 19.

In embodiment 19, the first channel access detection is used to determine whether each of the K sub-bands in the present application can be used to transmit wireless signals. The first channel access detection comprises K sub-detections, the K sub-detections are respectively performed on the K sub-bands, and K1 sub-detections of the K sub-detections are respectively used for determining that the K1 sub-bands of the K sub-bands can be used for transmitting wireless signals. The K sub-detections are performed independently of each other.

In fig. 19, the indexes of the K subbands are { #0, # 1., # K-1} respectively, and the indexes of the K sub-detections are { #0, # 1., # K-1} respectively.

As an embodiment, counters (counter) N corresponding to all the K sub-tests are equal, and the specific definition of the counters (counter) N is described in section 15.1.1 of 3gpp ts36.213 (v14.1.0).

As an embodiment, a counter (counter) N corresponding to all the K sub-detections is equal to a reference counter, where the reference counter is the sum of the K sub-detections and the K sub-bandsWith maximum CW _p A counter (counter) N corresponding to the sub detection corresponding to the sub band of (1); the CW _p Is the size of a Contention Window (CW) _p See section 15 of 3gpp ts36.213 for specific definitions of (d).

As an embodiment, when the base station stops transmitting on any given sub-band of the K sub-bands, the base station resets (reinitialize) counters (counters) N corresponding to all sub-detections in the K sub-detections.

Example 20

Embodiment 20 illustrates a schematic diagram of first channel access detection; as shown in fig. 20.

In embodiment 20, the first channel access detection is used to determine whether each of the K sub-bands in the present application can be used to transmit wireless signals. The first channel access detection comprises K sub-detections, the K sub-detections are performed on the K sub-bands respectively, and K1 sub-detections of the K sub-detections are used for determining that the K1 sub-bands of the K sub-bands can be used for transmitting wireless signals respectively. Whether any sub-band in the K sub-bands can be used for transmitting wireless signals is related to reference sub-detection, the reference sub-detection is sub-detection corresponding to a reference sub-band in the K sub-detections, and the reference sub-band is one sub-band in the K sub-bands.

In fig. 20, the indexes of the K sub-bands and the K sub-detections are { # 0.

As an example, only one of the K sub-assays is Category 4 LBT (fourth type LBT); see 3GPP TR36.889 for concrete definition and implementation of Category 4 LBT.

As an embodiment, at least one of said K sub-assays is Category 2 LBT (second type LBT); see 3GPP TR36.889 for concrete definition and implementation of Category 2 LBT.

As an example, the K-1 of the K sub-assays are each Category 2 LBT (LBT of the second type); see 3GPP TR36.889 for concrete definition and implementation of Category 2 LBT.

As an example, the reference sub-assay is Category 4 LBT (fourth type LBT).

As an embodiment, at least one given sub-band of the K sub-bands is available, and whether the given sub-band can be used for transmitting wireless signals is related to one sub-detection of the K sub-detections except the sub-detection corresponding to the given sub-band.

As an embodiment, any one of the K sub-assays other than the reference sub-assay is Category 2 LBT.

As an embodiment, whether the reference sub-band can be used for transmitting wireless signals is related to the reference sub-detection of the K sub-detections only.

As an embodiment, if the reference sub-detection determines that the reference sub-band is free, the reference sub-band is determined to be available for transmitting wireless signals; the reference sub-band is determined not to be available for transmission of wireless signals if the reference sub-detection determines that the reference sub-band is not free.

As an embodiment, for any given sub-band of the K sub-bands except for the reference sub-band, the reference sub-detection and the sub-detection corresponding to the given sub-band are jointly used to determine whether the given sub-band can be used to transmit the wireless signal.

As an embodiment, for any given sub-band of the K sub-bands except the reference sub-band, if the reference sub-detection determines that the reference sub-band is free and the sub-detection corresponding to the given sub-band determines that the given sub-band is free, the given sub-band is determined to be used for transmitting wireless signals.

As an embodiment, for any given sub-band of the K sub-bands except for the reference sub-band, if the reference sub-detection determines that the reference sub-band can be used for transmitting wireless signals, and the sub-detection corresponding to the given sub-band determines that the given sub-band is idle, the given sub-band is determined to be used for transmitting wireless signals.

As an embodiment, for any given sub-band of the K sub-bands except the reference sub-band, if the reference sub-detection determines that the reference sub-band is not free, the given sub-band is determined not to be used for transmitting wireless signals.

As an embodiment, for any given sub-band of the K sub-bands except for the reference sub-band, if the reference sub-detection determines that the reference sub-band may not be used for transmitting wireless signals, the any given sub-band is determined not to be used for transmitting wireless signals.

As an embodiment, for any given sub-band of the K sub-bands except for the reference sub-band, if the reference sub-detection determines that the reference sub-band can be used for transmitting wireless signals, and the sub-detection corresponding to the given sub-band determines that the given sub-band is idle within 25 microseconds before the reference sub-band transmits wireless signals, the given sub-band is determined to be used for transmitting wireless signals.

As an embodiment, for any given sub-band of the K sub-bands except for the reference sub-band, if the sub-detection corresponding to the given sub-band determines that the given sub-band is not idle, the given sub-band is determined not to be used for transmitting wireless signals.

As an embodiment, for any given sub-band of the K sub-bands except for the reference sub-band, if the sub-detection corresponding to the given sub-band determines that the given sub-band is not idle within 25 microseconds before the reference sub-band transmits the wireless signal, the given sub-band is determined not to be used for transmitting the wireless signal.

As an embodiment, for any given sub-band of the K sub-bands except for the reference sub-band, the sub-detection corresponding to the given sub-band and the reference sub-detection end at the same time.

As an embodiment, the reference sub-band is randomly selected among the K sub-bands by the base station device in this application.

As a sub-embodiment of the above-mentioned embodiments, the probability that the base station apparatus selects any one of the K sub-bands as the reference sub-band is equal.

As a sub-embodiment of the above embodiment, any one of the K sub-bands is not selected as the reference sub-band multiple times within 1 second.

As one embodiment, the K sub-bands have the same CW _p The CW of _p Is the size of a Contention Window (CW) _p See section 15 of 3gpp ts36.213 for specific definitions of (d).

As an example, the K sub-bands correspond to CW _p Are two by two independent of each other, the CW _p Is the size of a Contention Window (CW) _p See section 15 of 3gpp ts36.213 for specific definitions of (d).

Example 21

Embodiment 21 illustrates a flowchart of one of K sub-detections; as shown in fig. 21.

In embodiment 21, the K sub-detections are performed on the K sub-bands in the present application, respectively. The first sub-detection is one of the K sub-detections, the first sub-detection being performed on a first sub-band of the K sub-bands. The process of the first sub-detection can be described by the flow chart in fig. 21. The base station in the present application is in an idle state in step S2101, and determines in step S2102 whether transmission is required, if so, proceeds to step S2103, otherwise, returns to step S2101; performing energy detection within one delay period (defer duration) on the first subband in step S2103; in step S2104, it is determined whether all slot periods within this delay period are Idle (Idle), if yes, proceed to step S2105, otherwise proceed to step S2108; judging whether to decide transmission in step S2105, if so, proceeding to step S2106, otherwise returning to step S2101; transmitting a wireless signal on the first sub-band in step S2106; judging whether the transmission needs to be continued in step S2107, if so, going to step S2108, otherwise, returning to step S2101; performing energy detection within one delay period (defer duration) on said first sub-band in step 2108; in step S2109, determining whether all slot periods within the delay period are Idle (Idle), if yes, proceeding to step S2110, otherwise returning to step S2108; a first counter is set in step S2110; judging whether the first counter is 0 in step S2111, if so, returning to step S2105, otherwise, proceeding to step S2112; decrementing the first counter by 1 in step S2112; performing energy detection in an additional slot duration (additional slot duration) on the first sub-band in step S2113; judging whether the additional slot period is Idle (Idle) in step S2114, if so, returning to step S2111, otherwise, proceeding to step S2115; performing energy detection in an additional delay period (additional delay duration) on the first sub-band in step S2115 until a non-idle slot period is detected in the additional delay period, or all slot periods in the additional delay period are idle; in step S2116, it is determined whether all slot periods within this additional delay period are Idle (Idle), and if so, it returns to step S2111; otherwise, it returns to step S2115.

For an example, the specific definitions of the delay period, the slot period, the additional slot period and the additional delay period in fig. 21 are described in section 15 of 3gpp ts 36.213.

As an embodiment, performing energy detection within a given time period refers to: performing energy detection in all slot periods (slot durations) within the given period; the given period is any one of { all the delay periods in step S2103 and step S2108, all the additional slot periods in step S2113, all the additional delay periods in step S2115 } in fig. 21.

As an embodiment, performing energy detection within one slot period refers to: sensing (Sense) the power of the wireless signal over a given time unit and averaging over time to obtain a received power; the given time unit is one duration period within the one slot period.

As an embodiment, performing energy detection within one slot period refers to: sensing (Sense) the energy of the wireless signal within a given time unit and averaging over time to obtain received energy; the given time unit is one duration period within the one slot period.

As an embodiment, one slot period Idle (Idle) refers to: sensing (Sense) the power of the wireless signal in a given time unit and averaging over time, the obtained received power being below a reference threshold; the given time unit is one duration period in the one slot period.

As an embodiment, one slot period Idle (Idle) refers to: sensing (Sense) the energy of the wireless signal in a given time unit and averaging over time, the obtained received energy being below a reference threshold; the given time unit is one duration period in the one slot period.

As an embodiment, the duration of the given time unit is not shorter than 4 microseconds.

As an example, the duration of one delay period (defer duration) is 16 microseconds plus T1, 9 microseconds, where T1 is a positive integer.

As a sub-embodiment of the above embodiment, the T1 belongs to {1,2,3,7}.

As an embodiment, one delay period (defer duration) includes a plurality of slot periods (slot durations).

As a sub-embodiment of the above embodiment, a first time slot period and a second time slot period of the plurality of time slot periods are discontinuous.

As a sub-embodiment of the above embodiment, a time interval between a first time slot period and a second time slot period of the plurality of time slot periods is 7 milliseconds.

As an embodiment, the duration of one delay period is equal to the duration of one additional delay period.

As an example, the duration of one slot period (slot duration) is 9 microseconds.

As an embodiment, the duration of one additional slot period (additional slot duration) is equal to the duration of one slot period (slot duration).

As an embodiment, the value to which the first counter is set in step S2108 is one of P alternative integers.

As one example, the P belongs to {3,7, 15, 31, 63, 127, 255, 511, 1023}.

As an embodiment, the P is a CWp in a Category 4 LBT procedure, the CWp is a size of a contention window (contention window), and a specific definition of the CWp is described in section 15 of 3gpp ts 36.213.

As one example, the P alternative integers are 0,1,2, \8230;, P-1.

As an embodiment, the base station randomly selects one alternative integer from the P alternative integers as the value to which the first counter is set.

As an embodiment, the probability that any one of the P candidate integers is selected as the value to which the first counter is set is equal.

As an embodiment, the first sub-assay is any one of the K sub-assays.

As an embodiment, the first sub-test is the reference sub-test in embodiment 20.

Example 22

Embodiment 22 illustrates a flowchart of one of the K sub-detections; as shown in fig. 22.

In embodiment 22, the K sub-detections are performed on the K subbands in this application, respectively. The first sub-detection is one of the K sub-detections, the first sub-detection being performed on a first sub-band of the K sub-bands. The process of the first sub-detection can be described by the flow chart in fig. 22. The base station in the present application is in an idle state in step S2201, and determines whether transmission is required in step S2202, if so, proceeds to step 2203, otherwise, returns to step S2201; performing energy detection for a Sensing interval (Sensing interval) on the first sub-band in step 2203; in step S2204, it is determined whether all the slot periods within the sensing time are Idle (Idle), if yes, the process proceeds to step S2205, otherwise, the process returns to step S2203; a wireless signal is transmitted on the first sub-band in step S2205.

The specific definition of the sensing time and slot period in fig. 22 is described in section 15.2 of 3gpp ts36.213 as an example.

As an embodiment, performing energy detection within one sensing time refers to: performing energy detection in all slot periods (slot durations) within the one sensing time.

As an example, the duration of one Sensing interval is 25 microseconds.

As an embodiment, one sensing time includes 2 slot periods, and the 2 slot periods are discontinuous in the time domain.

As a sub-embodiment of the above embodiment, the time interval in the 2 slot periods is 7 microseconds.

As an embodiment, the first sub-assay is any one of the K sub-assays.

Example 23

Embodiment 23 illustrates a flowchart of one of K sub-detections; as shown in fig. 23.

In embodiment 23, the K sub-detections are performed on the K sub-bands in the present application, respectively. The first sub-detection is one of the K sub-detections, the first sub-detection being performed on a first sub-band of the K sub-bands. The process of the first sub-detection can be described by the flow chart in fig. 23. The base station in this application is in an idle state in step S2301, and determines whether transmission is needed in step S2302, if so, proceeds to step 2303, otherwise returns to step S2301; performing energy detection for a Sensing interval (Sensing interval) on the first sub-band in step 2303; in step S2304, determining whether all time slot periods within the sensing time are Idle (Idle), if yes, proceeding to step S2305, otherwise returning to step S2303; in step S2305, it is judged whether or not the reference sub-band in embodiment 20 can be used for transmission of a wireless signal, and if so, it proceeds to step 2306; wireless signals are transmitted on the first sub-band in step 2306.

As an embodiment, the first sub-test is any one of the K sub-tests except for the reference sub-test in embodiment 20.

Example 24

Embodiment 24 illustrates a schematic diagram of resource mapping of a first pool of resource particles in the time-frequency domain; as shown in fig. 24.

In embodiment 24, the ue in this application performs detection for the second signaling in this application in the first resource element pool. The first information in this application is used to determine whether the first pool of resource particles and the first set of resource particles in this application occupy the same sub-band of the N sub-bands in this application.

As an embodiment, the first resource element pool comprises one CORESET.

For one embodiment, the first pool of resource particles includes a search space (search space).

For one embodiment, the first pool of resource particles comprises a plurality of CORESET.

For one embodiment, the first pool of resource elements includes a plurality of search spaces (search spaces).

As an embodiment, the first resource element pool includes a positive integer number of resource element sets, and one resource element set is a downlink physical layer control channel candidate.

As one embodiment, the detecting for the second signaling is Blind Decoding (Blind Decoding) for a Payload Size (Payload Size) of the second signaling.

As an embodiment, for the detection of the second signaling, the ue in this application first performs channel estimation and channel equalization on a wireless signal received in a set of resource elements in the first resource element pool, then performs channel decoding according to a payload size of the second signaling, and considers that the second signaling is successfully received if an output of the channel decoding passes CRC verification, otherwise considers that the second signaling is not successfully received by current detection.

As an embodiment, the first resource element pool includes a positive integer number of resource element sets, and one resource element set is a downlink physical layer control channel candidate; the base station in this application sends the second signaling in one resource element set in the first resource element pool.

As an embodiment, the first information includes one bit, and if one bit in the first information is equal to 1, the first resource element pool and the first resource element set occupy the same subband in the N subbands; the first pool of resource particles and the first set of resource particles occupy different ones of the N subbands if a bit in the first information is equal to 0.

As an embodiment, the first information includes one bit, and if one bit in the first information is equal to 0, the first resource element pool and the first resource element set occupy the same subband of the N subbands; the first pool of resource elements and the first set of resource elements occupy different ones of the N subbands if one bit in the first information is equal to 1.

Example 25

Embodiment 25 illustrates a block diagram of a processing apparatus for use in a user equipment; as shown in fig. 25. In fig. 25, the processing means 2500 in the user equipment mainly consists of a first receiver module 2501 and a second receiver module 2502.

In embodiment 25, the first receiver module 2501 receives first signaling in a first set of resource elements; the second receiver module 2502 receives a first wireless signal on a first cell.

In embodiment 25, the first signaling comprises scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first set of resource elements.

For one embodiment, the first receiver module 2501 performs Q1 times of detection for the first signaling in Q1 resource element sets of Q resource element sets, respectively; wherein the first set of resource elements is one of the Q1 sets of resource elements in which the user equipment successfully received the first signaling; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the index of the first resource particle set in the Q resource particle sets, Q is a positive integer greater than 1, and Q1 is a positive integer not greater than Q.

As an embodiment, the frequency resource occupied by the first resource element set belongs to K1 sub-bands of the K sub-bands; a first channel access detection is used to determine that the K1 of the K subbands may be used to transmit wireless signals; the K1 is a positive integer, and the K is a positive integer not less than the K1.

For one embodiment, the first receiver module 2501 performs detection for the second signaling in a first pool of resource particles; wherein the first information is used to determine whether the first pool of resource particles and the first set of resource particles occupy a same subband of N subbands; the time resource occupied by the first resource particle pool is later than the time resource occupied by the first wireless signal; the N is a positive integer greater than 1.

For one embodiment, the first receiver module 2501 includes at least one of the { antenna 452, receiver 454, receive processor 456, multi-antenna receive processor 458, controller/processor 459, memory 460, data source 467] of embodiment 4.

For one embodiment, the second receiver module 2502 includes at least one of the antenna 452, the receiver 454, the receive processor 456, the multi-antenna receive processor 458, the controller/processor 459, the memory 460, and the data source 467 of embodiment 4.

Example 26

Embodiment 26 is a block diagram illustrating a processing apparatus used in a base station; as shown in fig. 26. In fig. 26, the processing device 2600 in the base station is mainly composed of a first processing module 2601 and a first transmitter module 2602.

In embodiment 26, the first processing module 2601 transmits first signaling in a first set of resource elements; the first transmitter module 2602 transmits a first wireless signal on a first cell.

In embodiment 26, the first signaling includes scheduling information of the first wireless signal; a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell is related to the first set of resource elements.

For one embodiment, the first set of resource particles is one of Q sets of resource particles; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the index of the first resource particle set in the Q resource particle sets, and Q is a positive integer greater than 1.

As an embodiment, any one of the Q resource particle sets belongs to one of M resource particle pools, and the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any one of the M resource particle pools comprises a positive integer of the Q resource particle sets; the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell is related to the target resource particle pool; and M is a positive integer greater than 1.

As an embodiment, the first processing module 2601 performs first channel access detection on K subbands; wherein the frequency resources occupied by the first resource particle set belong to K1 sub-bands of the K sub-bands; the first channel access detection is used to determine that the K1 of the K subbands may be used to transmit wireless signals; the K1 is a positive integer, and the K is a positive integer not less than the K1.

For one embodiment, the first processing module 2601 sends the second signaling in the first resource element pool; wherein the first information is used to determine whether the first pool of resource particles and the first set of resource particles occupy the same subband of the N subbands; the time resource occupied by the first resource particle pool is later than the time resource occupied by the first wireless signal; and N is a positive integer greater than 1.

For one embodiment, the first processing module 2601 includes at least one of { antenna 420, transmitter/receiver 418, transmit processor 416, receive processor 470, multi-antenna transmit processor 471, multi-antenna receive processor 472, controller/processor 475, memory 476} of embodiment 4.

For one embodiment, the first transmitter module 2602 includes at least one of { antenna 420, transmitter 418, transmit processor 416, multi-antenna transmit processor 471, controller/processor 475, memory 476} of embodiment 4.

It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a hard disk or an optical disk. Alternatively, all or part of the steps of the above embodiments may be implemented by using one or more integrated circuits. Accordingly, the module units in the above embodiments may be implemented in a hardware form, or may be implemented in a form of software functional modules, and the present application is not limited to any specific form of combination of software and hardware. User equipment, terminal and UE in this application include but not limited to unmanned aerial vehicle, communication module on the unmanned aerial vehicle, remote control aircraft, the aircraft, small aircraft, the cell-phone, the panel computer, the notebook, vehicle Communication equipment, wireless sensor, the network card, thing networking terminal, the RFID terminal, NB-IOT terminal, MTC (Machine Type Communication) terminal, EMTC (enhanced MTC) terminal, the data card, the network card, vehicle Communication equipment, low-cost cell-phone, wireless Communication equipment such as low-cost panel computer. The base station or the system device in the present application includes, but is not limited to, a macro cell base station, a micro cell base station, a home base station, a relay base station, a gNB (NR node B), a TRP (Transmitter Receiver Point), and other wireless communication devices.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A method in a user equipment used for wireless communication, comprising:

receiving first signaling in a first set of resource elements;

receiving a first wireless signal on a first cell;

wherein the first signaling comprises scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first resource element set; the frequency resource occupied by the first resource particle set belongs to K1 sub-bands in K sub-bands; a first channel access detection is used to determine that the K1 of the K subbands may be used to transmit wireless signals; the K1 is a positive integer, and the K is a positive integer not less than the K1; the frequency resources occupied by the first cell include the K sub-bands.

2. The method of claim 1, comprising:

3. The method of claim 2, wherein any one of the Q resource particle sets belongs to one of M resource particle pools, and wherein the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any resource particle pool of the M resource particle pools comprises a positive integer number of the Q resource particle sets; the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell is related to the target resource particle pool; and M is a positive integer greater than 1.

4. The method according to any of claims 1 to 3, wherein the first channel access detection comprises K sub-detections, the K sub-detections are respectively performed on the K sub-bands, and K1 sub-detections of the K sub-detections are respectively used for determining that the K1 sub-bands can be used for transmitting wireless signals.

5. The method according to any of claims 1 to 4, characterized in that the K1 sub-bands comprise frequency resources occupied by the first radio signal in the frequency domain.

6. The method according to any of claims 1 to 5, wherein the first signaling comprises a first field, the first field in the first signaling being used to determine a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell; the interpretation of the first domain in the first signaling is related to the first set of resource elements.

7. The method according to any one of claims 1 to 6, comprising:

8. A method in a base station used for wireless communication, comprising:

performing a first channel access detection on the K subbands;

transmitting first signaling in a first set of resource elements;

transmitting a first wireless signal on a first cell;

wherein the first signaling comprises scheduling information of the first wireless signal; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the first resource element set; the frequency resources occupied by the first resource particle set belong to K1 sub-bands in the K sub-bands; the first channel access detection is used to determine that the K1 of the K subbands may be used to transmit wireless signals; the K1 is a positive integer, and the K is a positive integer not less than the K1; the frequency resources occupied by the first cell include the K sub-bands.

9. The method of claim 8, wherein the first set of resource particles is one of Q sets of resource particles; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the index of the first resource particle set in the Q resource particle sets, and Q is a positive integer greater than 1.

10. The method of claim 9, wherein any one of the Q resource particle sets belongs to one of M resource particle pools, and wherein the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any one of the M resource particle pools comprises a positive integer of the Q resource particle sets; the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell is related to the target resource particle pool; and M is a positive integer greater than 1.

11. The method according to any of claims 8 to 10, wherein the first channel access detection comprises K sub-detections, the K sub-detections are respectively performed on the K sub-bands, and K1 sub-detections of the K sub-detections are respectively used for determining that the K1 sub-bands can be used for transmitting wireless signals.

12. The method according to any of claims 8 to 11, wherein the K1 sub-bands comprise frequency resources occupied by the first radio signal in the frequency domain.

13. The method according to any of claims 8 to 12, wherein the first signaling comprises a first field, the first field in the first signaling being used to determine a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell; the interpretation of the first domain in the first signaling is related to the first set of resource elements.

14. The method according to any one of claims 8 to 13, comprising:

transmitting second signaling in the first resource particle pool;

wherein the first information is used to determine whether the first pool of resource particles and the first set of resource particles occupy a same subband of N subbands; the time resource occupied by the first resource particle pool is later than the time resource occupied by the first wireless signal; the N is a positive integer greater than 1.

15. A user device configured for wireless communication, comprising:

a second receiver module to receive a first wireless signal on a first cell;

16. The UE of claim 15, wherein the first receiver module performs Q1 detections for the first signaling in Q1 of Q sets of resource elements, respectively; wherein the first set of resource elements is one of the Q1 sets of resource elements in which the user equipment successfully received the first signaling; the position of the frequency resource occupied by the first radio signal within the frequency resource occupied by the first cell is related to the index of the first set of resource elements among the Q sets of resource elements, Q is a positive integer greater than 1, Q1 is a positive integer not greater than Q.

17. The UE of claim 16, wherein any one of the Q sets of resource particles belongs to one of M resource particle pools, and wherein the first set of resource particles belongs to a target resource particle pool of the M resource particle pools; any one of the M resource particle pools comprises a positive integer of the Q resource particle sets; the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell is related to the target resource particle pool; and M is a positive integer greater than 1.

18. The UE of any one of claims 15 to 17, wherein the first channel access detection comprises K sub-detections, the K sub-detections are respectively performed on the K sub-bands, and K1 sub-detections of the K sub-detections are respectively used for determining that the K1 sub-bands can be used for transmitting wireless signals.

19. The user equipment according to any of claims 15-18, wherein the K1 subbands comprise frequency resources occupied by the first radio signal in a frequency domain.

20. The UE of any one of claims 15 to 19, wherein the first signaling comprises a first field, and wherein the first field in the first signaling is used to determine a position of a frequency resource occupied by the first radio signal within a frequency resource occupied by the first cell; the interpretation of the first domain in the first signaling is related to the first set of resource elements.

21. The user equipment according to any of claims 15-20, wherein the first receiver module performs detection for second signaling in a first pool of resource particles; wherein the first information is used to determine whether the first pool of resource particles and the first set of resource particles occupy a same subband of N subbands; the time resource occupied by the first resource particle pool is later than the time resource occupied by the first wireless signal; and N is a positive integer greater than 1.

22. A base station device used for wireless communication, comprising:

a first processing module, configured to perform a first channel access detection on the K subbands, and send a first signaling in a first set of resource elements;

wherein the first signaling comprises scheduling information of the first wireless signal; a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell is related to the first set of resource elements; the frequency resources occupied by the first resource particle set belong to K1 sub-bands in the K sub-bands; the first channel access detection is used to determine that the K1 of the K subbands may be used to transmit wireless signals; the K1 is a positive integer, and the K is a positive integer not less than the K1; the frequency resources occupied by the first cell include the K sub-bands.

23. The base station device of claim 22, wherein the first set of resource elements is one of Q sets of resource elements; the position of the frequency resource occupied by the first wireless signal within the frequency resource occupied by the first cell is related to the index of the first resource particle set in the Q resource particle sets, and Q is a positive integer greater than 1.

24. The base station device of claim 23, wherein any one of the Q resource particle sets belongs to one of M resource particle pools, and wherein the first resource particle set belongs to a target resource particle pool of the M resource particle pools; any resource particle pool of the M resource particle pools comprises a positive integer number of the Q resource particle sets; the position of the frequency resource occupied by the first wireless signal in the frequency resource occupied by the first cell is related to the target resource particle pool; and M is a positive integer greater than 1.

25. The base station device according to any of claims 22 to 24, wherein the first channel access detection comprises K sub-detections, the K sub-detections are respectively performed on the K sub-bands, and K1 sub-detections of the K sub-detections are respectively used for determining that the K1 sub-bands can be used for transmitting wireless signals.

26. The base station device according to any of claims 22 to 25, wherein the K1 sub-bands comprise frequency resources occupied by the first radio signal in a frequency domain.

27. The base station device according to any of claims 22 to 26, wherein the first signaling comprises a first field, the first field in the first signaling being used to determine a position of a frequency resource occupied by the first wireless signal within a frequency resource occupied by the first cell; the interpretation of the first domain in the first signaling is related to the first set of resource elements.

28. The base station device of any of claims 22 to 27, wherein the first processing module sends second signaling in a first pool of resource particles; wherein the first information is used to determine whether the first pool of resource particles and the first set of resource particles occupy a same subband of N subbands; the time resource occupied by the first resource particle pool is later than the time resource occupied by the first wireless signal; the N is a positive integer greater than 1.