CN116113054A

CN116113054A - User equipment, method and device in base station for wireless communication

Info

Publication number: CN116113054A
Application number: CN202310135263.2A
Authority: CN
Inventors: 蒋琦; 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2018-01-05
Filing date: 2018-01-05
Publication date: 2023-05-12
Also published as: CN110012540B; CN110012540A

Abstract

A method and apparatus in a user equipment, base station, used for wireless communication are disclosed. The method comprises the steps that firstly, user equipment receives first signaling, wherein the first signaling is used for indicating Q first-class time-frequency resource pools, and the Q first-class time-frequency resource pools are reserved for downlink control information; then, Q1 first class time-frequency resource pools are determined from the Q first class time-frequency resource pools, and second signaling is monitored only in the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools; and operating the first wireless signal in the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain. According to the method and the device, the Q first-class time-frequency resource pools are designed, so that the sending opportunity of downlink control information is increased in an unlicensed spectrum scene, the scheduled opportunity of user equipment is further increased, and the overall performance of a system is improved.

Description

User equipment, method and device in base station for wireless communication

This application is a divisional application of the following original applications:

filing date of the original application: 2018, 01, 05

Number of the original application: 201810010376.9

-the name of the invention of the original application: user equipment, method and device in base station for wireless communication

Technical Field

The present application relates to a transmission method and apparatus in a wireless communication system, and more particularly, to a transmission method and apparatus for unlicensed spectrum (Unlicensed Spectrum) uplink and downlink control information.

Background

In conventional 3GPP (3 rd Generation Partner Project, third generation partnership project) LTE (Long-term Evolution) systems, data transmission can only occur on licensed spectrum, however, with a drastic increase in traffic, especially in some urban areas, the licensed spectrum may be difficult to meet the traffic demand. Communications on unlicensed spectrum in Release 13 and Release 14 are introduced by the cellular system and used for transmission of downlink and uplink data. To ensure compatibility with access technologies on other unlicensed spectrum, LBT (Listen Before Talk ) technology is adopted by LAA (Licensed Assisted Access, licensed spectrum assisted access) to avoid interference due to multiple transmitters simultaneously occupying the same frequency resources. In Release 13 and Release 14, the base station on the unlicensed spectrum indicates whether the subsequent time domain resource of the ue is occupied by the base station by sending a control signaling scrambled by CC-RNTI (Common Control Radio Network Temporary Identifier ).

Currently, technical discussions of 5G NR (New Radio Access Technology ) are in progress, one of the important features is unlicensed spectrum services of SA (Stand-Alone), there is no way for transmitting downlink control signaling by licensed spectrum in SA scenario, and meanwhile, due to uncertainty of LBT result, transmission opportunity of downlink control signaling will be significantly reduced.

Disclosure of Invention

One simple implementation for the above problem is to still use the design of CORESET (Control Resource Set, control resource group) in 5G NR Phase 1, and the base station will only send downlink control information on CORESET passed by LBT. However, due to the uncertainty of LBT, the above method will result in fewer CORESETs actually available for downlink control information transmission, and thus the scheduling opportunities on unlicensed spectrum will be reduced.

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

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

receiving first signaling, wherein the first signaling is used for indicating Q first-class time-frequency resource pools, and the Q first-class time-frequency resource pools are reserved for downlink control information;

determining Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools, and monitoring second signaling in the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools only, wherein Q is a positive integer greater than 1, and Q1 is a positive integer smaller than Q;

operating the first wireless signal in the target time-frequency resource;

wherein the second signaling is used to determine the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain; the operation is a reception or the operation is a transmission.

As an embodiment, the above method has the following advantages: the Q first class time-frequency resource pools are reserved for downlink control information, and any two first class time-frequency resource pools in the Q first class time-frequency resource pools are orthogonal in the time domain; the base station can transmit downlink control information in the Q first class time-frequency resource pools, so that the opportunity of transmitting the uplink and downlink control information of the unlicensed spectrum is improved, and the scheduling possibility is further improved.

As an embodiment, another benefit of the above method is that: and the Q1 first class time-frequency resource pools correspond to the time-frequency resources which are confirmed to be idle by the base station through LBT, so that the transmission of the downlink control information is ensured to meet the requirements of various regulations.

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

receiving Q1 third signaling, wherein the Q1 third signaling corresponds to the Q1 first class time-frequency resource pools one by one;

wherein the Q1 third signaling is used to determine that the Q1 first class time-frequency resource pools are occupied, respectively.

As an embodiment, another benefit of the above method is that: and indicating the Q1 first class time-frequency resource pools through the Q1 third signaling, so that the complexity of blind detection of the user equipment is reduced, and the power consumption of the user equipment is reduced.

channel detection is carried out in K candidate time units respectively;

the operation is sending, and the K candidate time units respectively correspond to K candidate time-frequency resources; channel detection by the user equipment in a target candidate time unit determines that the target time-frequency resource is idle; the target candidate time unit is a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling indicates the K candidate time-frequency resources.

As an embodiment, the above method has the following advantages: k candidate time-frequency resources are configured for the user equipment to ensure uplink transmission of the first wireless signal, the user equipment selects the target time-frequency resource for transmitting the first wireless signal from the K candidate time-frequency resources according to the LBT result, the scheduled uplink data is prevented from being not transmitted because the LBT of the user equipment does not pass, and the opportunity of uplink transmission is improved.

According to an aspect of the present application, the method is characterized in that the ue monitors the second signaling in the Q1 first-class time-frequency resource pools, and the ue stops monitoring the downlink control information in the Q first-class time-frequency resource pools and in a first-class time-frequency resource pool other than the Q1 first-class time-frequency resource pools.

As an embodiment, the above method has the following advantages: when the user equipment monitors downlink control information, the user equipment stops blind detection for the first wireless signal; the method reduces the complexity of the user equipment and improves the service life of the battery.

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

Transmitting first signaling, wherein the first signaling is used for indicating Q first-class time-frequency resource pools, and the Q first-class time-frequency resource pools are reserved for downlink control information;

determining Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools, and transmitting second signaling only in one of the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools, wherein Q is a positive integer greater than 1, and Q1 is a positive integer smaller than Q;

executing the first wireless signal in the target time-frequency resource;

wherein the second signaling is used to determine the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain; the execution is either transmission or reception.

q1 third signaling is sent, and the Q1 third signaling corresponds to the Q1 first class time-frequency resource pools one by one;

Channel detection is carried out in Q target time units respectively;

the Q target time units respectively correspond to the Q first-type time-frequency resource pools; channel detection for the Q target time units is used to determine that the Q1 first-type time-frequency resource pools of the Q first-type time-frequency resource pools are free.

As an embodiment, the above method has the following advantages: and the base station only transmits the second signaling in the Q1 time-frequency resource pools of the first type, through which LBT passes, so as to ensure that the requirements of various regulations are met.

monitoring first wireless signals in K candidate time-frequency resources respectively;

wherein the execution is receiving, and the K candidate time-frequency resources correspond to K candidate time units respectively; channel detection by a sender of the first wireless signal in a target candidate time unit determines that the target time-frequency resource is idle; the target candidate time unit is a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling indicates the K candidate time-frequency resources.

As an embodiment, the above method is characterized in that: the base station monitors the first wireless signal in K candidate time-frequency resources, and although the complexity of the base station side is increased, the opportunity of uplink transmission is improved, and scheduled data is prevented from being transmitted at last due to LBT.

According to an aspect of the present application, the receiver of the first signaling includes a first terminal, the first terminal monitors the second signaling in the Q1 first type time-frequency resource pools, and the first terminal stops monitoring the downlink control information in the Q first type time-frequency resource pools and in a first type time-frequency resource pool other than the Q1 first type time-frequency resource pools.

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

a first receiver module, configured to receive a first signaling, where the first signaling is used to indicate Q first type time-frequency resource pools, and the Q first type time-frequency resource pools are reserved for downlink control information;

a second receiver module configured to determine Q1 first-class time-frequency resource pools from the Q first-class time-frequency resource pools, monitor second signaling only in the Q1 first-class time-frequency resource pools of the Q first-class time-frequency resource pools, where Q is a positive integer greater than 1, and Q1 is a positive integer less than Q;

A first transceiver module operating a first wireless signal in a target time-frequency resource;

As an embodiment, the above-mentioned user equipment used for wireless communication is characterized in that the second receiver module receives Q1 third signaling, where the Q1 third signaling corresponds to the Q1 first class time-frequency resource pools one by one; the Q1 third signaling is used to determine that the Q1 first class time-frequency resource pools are occupied, respectively.

As an embodiment, the above-mentioned user equipment used for wireless communication is characterized in that the first transceiver module performs channel detection in K candidate time units, respectively; the operation is transmission, and the K candidate time units respectively correspond to K candidate time-frequency resources; channel detection by the user equipment in a target candidate time unit determines that the target time-frequency resource is idle; the target candidate time unit is a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling indicates the K candidate time-frequency resources.

As an embodiment, the above-mentioned ue used for wireless communication is characterized in that the ue monitors the second signaling in the Q1 first-class time-frequency resource pools, and the ue stops monitoring the downlink control information in the Q first-class time-frequency resource pools and in a first-class time-frequency resource pool other than the Q1 first-class time-frequency resource pools.

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

a first transmitter module, configured to transmit a first signaling, where the first signaling is used to indicate Q first class time-frequency resource pools, and the Q first class time-frequency resource pools are reserved for downlink control information;

a second transceiver module configured to determine Q1 first-class time-frequency resource pools from the Q first-class time-frequency resource pools, send second signaling only in one of the Q1 first-class time-frequency resource pools of the Q first-class time-frequency resource pools, the Q being a positive integer greater than 1, the Q1 being a positive integer less than the Q;

a third transceiver module that performs a first wireless signal in a target time-frequency resource;

As an embodiment, the above base station apparatus used for wireless communication is characterized in that the second transceiver module transmits Q1 third signaling, where the Q1 third signaling corresponds to the Q1 first class time-frequency resource pools one by one; the Q1 third signaling is used to determine that the Q1 first class time-frequency resource pools are occupied, respectively.

As an embodiment, the above base station apparatus used for wireless communication is characterized in that the second transceiver module performs channel detection in Q target time units, respectively; the Q target time units respectively correspond to the Q first-class time-frequency resource pools; channel detection for the Q target time units is used to determine that the Q1 first-type time-frequency resource pools of the Q first-type time-frequency resource pools are free.

As an embodiment, the above base station apparatus used for wireless communication is characterized in that the third transceiver module monitors the first wireless signal among K candidate time-frequency resources, respectively; the execution is receiving, and the K candidate time-frequency resources respectively correspond to K candidate time units; channel detection by a sender of the first wireless signal in a target candidate time unit determines that the target time-frequency resource is idle; the target candidate time unit is a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling indicates the K candidate time-frequency resources.

As an embodiment, the above base station apparatus used for wireless communication is characterized in that the receiver of the first signaling includes a first terminal, the first terminal monitors the second signaling in the Q1 first-class time-frequency resource pools, and the first terminal stops monitoring the downlink control information in the Q first-class time-frequency resource pools and in a first-class time-frequency resource pool other than the Q1 first-class time-frequency resource pools.

As an example, compared to the conventional solution, the present application has the following advantages:

the Q first class time-frequency resource pools are reserved for downlink control information, and any two first class time-frequency resource pools in the Q first class time-frequency resource pools are orthogonal in the time domain; the base station can transmit downlink control information in the Q first-class time-frequency resource pools, so that the opportunity of transmitting the uplink and downlink control information of the unlicensed spectrum is improved, and the scheduling possibility is further improved; and the Q1 first class time-frequency resource pools correspond to the time-frequency resources which are confirmed to be idle by the base station through LBT, so that the transmission of the downlink control information is ensured to meet the requirements of various regulations.

K candidate time-frequency resources are configured for the user equipment to ensure uplink transmission of the first wireless signal, the user equipment selects the target time-frequency resource for transmitting the first wireless signal from the K candidate time-frequency resources according to the LBT result, the scheduled uplink data is prevented from being not transmitted because the LBT of the user equipment does not pass, and the opportunity of uplink transmission is improved.

When the user equipment monitors downlink control information, the user equipment stops blind detection for the first wireless signal; the method reduces the complexity of the user equipment and improves the service life of the battery.

Drawings

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

fig. 1 shows a flow chart of a first signaling according to an embodiment of the present application;

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

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

fig. 4 shows a schematic diagram of an evolved node and a UE according to one embodiment of the present application;

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

fig. 6 shows a flow chart of a first wireless signal according to another embodiment of the present application;

fig. 7 shows a schematic diagram of Q first class time-frequency resource pools according to one embodiment of the present application.

Fig. 8 shows a schematic diagram of K candidate time-frequency resources according to one embodiment of the present application.

Fig. 9 shows a schematic diagram of K candidate time-frequency resources according to another embodiment of the present application.

Fig. 10 shows a schematic diagram of a relationship between Q1 first class time-frequency resource pools and the K candidate time-frequency resources according to an embodiment of the present application.

Fig. 11 shows a schematic diagram of a given target time unit, a given time window, and a given time-frequency resource pool of the first type according to one embodiment of the present application.

Fig. 12 shows a block diagram of a processing arrangement for use in a user equipment according to one embodiment of the present application;

fig. 13 shows a block diagram of a processing device for use in a base station according to one embodiment of the present application.

Detailed Description

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

Example 1

Embodiment 1 illustrates a flow chart of the first signaling as shown in fig. 1.

In embodiment 1, the ue in the present application first receives a first signaling, where the first signaling is used to indicate Q first type time-frequency resource pools, and the Q first type time-frequency resource pools are reserved for downlink control information; secondly, Q1 first class time-frequency resource pools are determined from the Q first class time-frequency resource pools, second signaling is monitored only in the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools, Q is a positive integer greater than 1, and Q1 is a positive integer smaller than Q; then operating the first wireless signal in the target time-frequency resource; the second signaling is used to determine the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain; the operation is a reception or the operation is a transmission.

As a sub-embodiment, the second signaling is used to determine the target time-frequency resource refers to: the second signaling explicit (explicit) indicates the target time-frequency resource.

As a sub-embodiment, the second signaling is used to determine the target time-frequency resource refers to: the second signaling Implicitly (implementally) indicates the target time-frequency resource.

As a sub-embodiment, the second signaling is used to determine the target time-frequency resource refers to: the second signaling directly indicates the target time-frequency resource.

As a sub-embodiment, the second signaling is used to determine the target time-frequency resource refers to: the second signaling indirectly indicates the target time-frequency resource.

As a sub-embodiment, the first signaling is used to indicate Q time-frequency resource pools of the first type to refer to: the first signaling explicitly indicates the Q first class time-frequency resource pools.

As a sub-embodiment, the first signaling is used to indicate Q time-frequency resource pools of the first type to refer to: the first signaling implicitly indicates the Q first class time-frequency resource pools.

As a sub-embodiment, the first signaling is used to indicate Q time-frequency resource pools of the first type to refer to: the first signaling directly indicates the Q first class time-frequency resource pools.

As a sub-embodiment, the first signaling is used to indicate Q time-frequency resource pools of the first type to refer to: the first signaling indirectly indicates the Q first class time-frequency resource pools.

As a sub-embodiment, the Q1 first-class time-frequency resource pools are Q1 first-class time-frequency resource pools that are occupied earliest in the Q first-class time-frequency resource pools.

As an subsidiary embodiment of this sub-embodiment, said occupied means occupied by the sender of said first signalling.

As a sub-embodiment, the target time-frequency resource overlaps with at least one first type time-frequency resource pool out of the Q first type time-frequency resource pools and out of the Q1 first type time-frequency resource pools.

As an auxiliary embodiment of the sub-embodiment, the target first type time-frequency resource pool is a first type time-frequency resource pool which is overlapped with the target time-frequency resource and is out of the Q first type time-frequency resource pools and the Q1 first type time-frequency resource pools; the overlapping of the target time-frequency resource and the target first class time-frequency resource pool means that: and the time domain resource occupied by one multi-carrier symbol belongs to the target time-frequency resource and the target first class time-frequency resource pool at the same time.

As a sub-embodiment, Q1 is 1.

As a sub-embodiment, the sender of the first signaling sends the second signaling only in one of the Q first-class time-frequency resource pools.

As a sub-embodiment, the first signaling is higher layer signaling (Higher Layer Signaling).

As a sub-embodiment, the first signaling is RRC (Radio Resource Control ) layer signaling.

As a sub-embodiment, the first signaling is Specific to the user equipment (UE Specific).

As a sub-embodiment, at least two first-class time-frequency resource pools exist in the Q first-class time-frequency resource pools, where the two first-class time-frequency resource pools respectively belong to two different frequency band resources.

As an subsidiary embodiment of this sub-embodiment, the two different frequency band resources correspond to two CCs (Component Carrier, component carriers) orthogonal in the frequency domain, respectively.

As an auxiliary embodiment of this sub-embodiment, the two different frequency band resources correspond to two BWP (Bandwidth Part) orthogonal in the frequency domain, respectively.

As an example of the two subordinate embodiments, the orthogonality in the frequency domain means that the orthogonality in the frequency domain does not overlap.

As a sub-embodiment, the second signaling is a DCI (Downlink Control Information ).

As a sub-embodiment, the operation is reception and the second signaling is a downlink Grant (Grant).

As a sub-embodiment, the operation is transmission and the second signaling is an uplink Grant (Grant).

As a sub-embodiment, the multi-carrier symbol in the present application is one of OFDM (Orthogonal Frequency Division Multiplexing ) symbol, SC-FDMA (Single-Carrier Frequency Division Multiple Access, single carrier frequency division multiplexing access) symbol, FBMC (Filter Bank Multi Carrier, filter bank multi-carrier) symbol, OFDM symbol containing CP (Cyclic Prefix), DFT-s-OFDM (Discrete Fourier Transform Spreading Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexing of discrete fourier transform spread) symbol containing CP.

As a sub-embodiment, the monitoring in this application refers to energy detection; the energy detection means that the user equipment considers that the energy is detected when the received energy is larger than a given threshold value, and considers that the energy is not detected when the received energy is not larger than the given threshold value.

As a subsidiary embodiment of this sub-embodiment, said monitoring is directed to said second signalling in the present application.

As a sub-embodiment, the monitoring in this application refers to a CRC check; the CRC check means that the ue considers that the radio signal is monitored when the CRC included in the received radio signal passes the check, and the ue U2 does not monitor when the CRC included in the received radio signal does not pass the check.

As a sub-embodiment, the Q first type time-frequency resource pools form a positive integer number of CORESETs (Control Resource Set, control resource groups) of the user equipment.

Example 2

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

Embodiment 2 illustrates a schematic diagram of a network architecture according to the present application, as shown in fig. 2. Fig. 2 is a diagram illustrating an NR 5g, LTE (Long-Term Evolution) and LTE-a (Long-Term Evolution Advanced, enhanced Long-Term Evolution) system network architecture 200. The NR 5G or LTE network architecture 200 may be referred to as EPS (Evolved Packet System ) 200 as some other suitable terminology. EPS 200 may include one or more UEs (User Equipment) 201, ng-RAN (next generation radio access Network) 202,5G-CN (5G-Core Network)/EPC (Evolved Packet Core ) 210, hss (Home Subscriber Server, home subscriber server) 220, and internet service 230. The EPS may interconnect with other access networks, but these entities/interfaces are not shown for simplicity. As shown, EPS provides packet-switched services, however, those skilled in the art will readily appreciate that the various concepts presented throughout this application may be extended to networks providing circuit-switched services or other cellular networks. The NG-RAN includes NR node bs (gnbs) 203 and other gnbs 204. The gNB203 provides user and control plane protocol termination for the UE 201. The gNB203 may be connected to other gnbs 204 via an Xn interface (e.g., backhaul). The gNB203 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a Basic Service Set (BSS), an Extended Service Set (ESS), TRP (transmit-receive point), or some other suitable terminology. The gNB203 provides the UE201 with an access point to the 5G-CN/EPC210. Examples of UE201 include a cellular telephone, a smart phone, a Session Initiation Protocol (SIP) phone, a laptop, a Personal Digital Assistant (PDA), a satellite radio, a non-terrestrial base station communication, a satellite mobile communication, a global positioning system, a multimedia device, a video device, a digital audio player (e.g., MP3 player), a camera, a game console, an drone, an aircraft, a narrowband physical network device, a machine-type communication device, a land-based vehicle, an automobile, a wearable device, or any other similar functional device. Those of skill in the art may also refer to the UE201 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable terminology. The gNB203 is connected to the 5G-CN/EPC210 through an S1/NG interface. The 5G-CN/EPC210 includes MME/AMF/UPF211, other MME (Mobility Management Entity )/AMF (Authentication Management Field, authentication management domain)/UPF (User Plane Function ) 214, S-GW (Service Gateway) 212, and P-GW (Packet Date Network Gateway, packet data network Gateway) 213. The MME/AMF/UPF211 is a control node that handles signaling between the UE201 and the 5G-CN/EPC210. In general, the MME/AMF/UPF211 provides bearer and connection management. All user IP (Internet Protocal, internet protocol) packets are transported through the S-GW212, which S-GW212 itself is connected to P-GW213. The P-GW213 provides UE IP address assignment as well as other functions. The P-GW213 is connected to the internet service 230. The internet service 230 includes operator-corresponding internet protocol services, which may include, in particular, the internet, intranets, IMS (IP Multimedia Subsystem ) and PS streaming services (PSs).

As a sub-embodiment, the UE201 corresponds to the user equipment in the present application.

As a sub-embodiment, the gNB203 corresponds to the base station in the present application.

As a sub-embodiment, the UE201 supports wireless communication for data transmission over unlicensed spectrum.

As a sub-embodiment, the gNB203 supports wireless communications for data transmission over unlicensed spectrum.

As a sub-embodiment, the UE201 supports wireless communication with multiple frequency band resource aggregations.

As a sub-embodiment, the gNB203 supports wireless communication with multiple frequency band resource aggregations.

As an subsidiary embodiment of the two sub-embodiments described above, the Aggregation in this application is referred to as Aggregation.

As an attached embodiment of the above two sub-embodiments, the frequency band resource in the present application is a Carrier (Carrier).

As an attached embodiment of the above two sub-embodiments, the band resource in the present application is BWP (Bandwidth Part).

Example 3

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

Fig. 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane and a control plane, fig. 3 shows the radio protocol architecture for a User Equipment (UE) and a base station device (gNB or eNB) 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, radio link layer control protocol) 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 upper layers above the L2 layer 305, including a network layer (e.g., IP layer) that terminates at the P-GW on the network side and an application layer that terminates at the other end of the connection (e.g., remote UE, server, etc.). The PDCP sublayer 304 provides multiplexing between different radio bearers and logical channels. The PDCP sublayer 304 also provides header compression for upper layer data packets to reduce radio transmission overhead, security by ciphering the data packets, and handover support for UEs between gnbs. The RLC sublayer 303 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ (Hybrid Automatic Repeat reQuest ). The MAC sublayer 302 provides multiplexing between logical and transport channels. The MAC sublayer 302 is also responsible for allocating the various radio resources (e.g., resource blocks) in one cell among the 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 there is no header compression function for the control plane. The control plane also includes an 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 configuring the lower layers using RRC signaling between the gNB and the UE.

As a sub-embodiment, the radio protocol architecture in fig. 3 is applicable to the user equipment described in the present application.

As a sub-embodiment, the radio protocol architecture in fig. 3 is applicable to the base station in the present application.

As a sub-embodiment, the first signaling in the present application is generated in the RRC sublayer 306.

As a sub-embodiment, the first signaling in the present application is generated in the MAC sublayer 302.

As a sub-embodiment, the second signaling in the present application is generated in the PHY301.

As a sub-embodiment, the Q1 third signaling in the present application is generated in the PHY301.

As a sub-embodiment, the first type of wireless signal in the present application is generated in the PHY301.

Example 4

Embodiment 4 shows a schematic diagram of a base station device and a user equipment according to the present application, as shown in fig. 4. Fig. 4 is a block diagram of a gNB410 in communication with a UE450 in an access network.

The base station apparatus (410) includes a controller/processor 440, a memory 430, a receive processor 412, a transmit processor 415, a transmitter/receiver 416, and an antenna 420.

The user equipment (450) includes a controller/processor 490, a memory 480, a data source 467, a transmit processor 455, a receive processor 452, a transmitter/receiver 456, and an antenna 460.

In UL (Uplink), the processing related to the base station apparatus (410) includes:

a receiver 416 that receives the radio frequency signals through its respective antenna 420, converts the received radio frequency signals to baseband signals, and provides the baseband signals to the receive processor 412;

a receive processor 412 that implements various signal receive processing functions for the L1 layer (i.e., physical layer) including decoding, deinterleaving, descrambling, demodulation, physical layer control signaling extraction, and the like;

a controller/processor 440 implementing L2 layer functions and associated with a memory 430 storing program code and data;

the controller/processor 440 provides demultiplexing between transport and logical channels, packet reassembly, deciphering, header decompression, control signal processing to recover upper layer data packets from the UE 450; upper layer packets from the controller/processor 440 may be provided to the core network;

-a controller/processor 440 determining Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools, sending second signaling only on one of the Q1 first class time-frequency resource pools of the Q first class time-frequency resource pools, the Q being a positive integer greater than 1, the Q1 being a positive integer less than the Q;

In UL (Uplink), the processing related to the user equipment (450) includes:

a data source 467 providing upper layer data packets to the controller/processor 490. Data source 467 represents all protocol layers above the L2 layer;

a transmitter 456 that transmits radio frequency signals through its respective antenna 460, converts baseband signals to radio frequency signals, and provides radio frequency signals to the respective antenna 460;

a transmit processor 455 implementing various signal reception processing functions for the L1 layer (i.e., physical layer) including decoding, deinterleaving, descrambling, demodulation, physical layer control signaling extraction, etc.;

controller/processor 490 performs header compression, encryption, packet segmentation and reordering, and multiplexing between logical and transport channels based on the radio resource allocations of the gNB410, implementing L2 layer functions for the user and control planes;

the controller/processor 490 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the gNB 410;

-a controller/processor 490 determining Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools, monitoring only second signaling in the Q1 first class time-frequency resource pools of the Q first class time-frequency resource pools, the Q being a positive integer greater than 1, the Q1 being a positive integer less than the Q;

In downlink transmission, the processing related to the base station apparatus (410) includes:

a controller/processor 440, upper layer packet arrival, the controller/processor 440 providing packet header compression, encryption, packet segmentation connection and reordering, and multiplexing de-multiplexing between logical and transport channels to implement L2 layer protocols for user and control planes; the upper layer packet may include data or control information such as DL-SCH (Downlink Shared Channel );

a controller/processor 440 associated with a memory 430 storing program code and data, the memory 430 may be a computer readable medium;

-a controller/processor 440 comprising a scheduling unit for transmitting the demand, the scheduling unit for scheduling air interface resources corresponding to the transmission demand;

a transmit processor 415, receiving an output bit stream of the controller/processor 440, implementing various signal transmission processing functions for the L1 layer (i.e., physical layer) including coding, interleaving, scrambling, modulation, power control/allocation, and physical layer control signaling (including PBCH, PDCCH, PHICH, PCFICH, reference signal generation), etc.;

A transmitter 416 for converting the baseband signal provided by the transmit processor 415 into a radio frequency signal and transmitting it via an antenna 420; each transmitter 416 samples a respective input symbol stream to obtain a respective sampled signal stream. Each transmitter 416 further processes (e.g., digital-to-analog converts, amplifies, filters, upconverts, etc.) the respective sample stream to obtain a downstream signal.

In downlink transmission, processing related to the user equipment (450) may include:

a receiver 456 for converting the radio frequency signal received through the antenna 460 into a baseband signal for provision to the receive processor 452;

a receive processor 452 that performs various signal receive processing functions for the L1 layer (i.e., physical layer) including decoding, deinterleaving, descrambling, demodulation, physical layer control signaling extraction, and the like;

a controller/processor 490 receiving the bit stream output by the receive processor 452, providing header decompression, decryption, packet segmentation concatenation and reordering, and multiplexing de-multiplexing between logical and transport channels to implement L2 layer protocols for the user plane and control plane;

The controller/processor 490 is associated with a memory 480 that stores program codes and data. Memory 480 may be a computer-readable medium.

As a sub-embodiment, the UE450 apparatus includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured to, with the at least one processor, cause the UE450 apparatus at least to: receiving first signaling, wherein the first signaling is used for indicating Q first-class time-frequency resource pools, and the Q first-class time-frequency resource pools are reserved for downlink control information; and determining Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools, monitoring second signaling only in the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools, wherein Q is a positive integer greater than 1, and Q1 is a positive integer less than Q; and operating the first wireless signal in the target time-frequency resource; the second signaling is used to determine the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain; the operation is a reception or the operation is a transmission.

As a sub-embodiment, the UE450 includes: a memory storing a program of computer-readable instructions that, when executed by at least one processor, produce acts comprising: receiving first signaling, wherein the first signaling is used for indicating Q first-class time-frequency resource pools, and the Q first-class time-frequency resource pools are reserved for downlink control information; and determining Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools, monitoring second signaling only in the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools, wherein Q is a positive integer greater than 1, and Q1 is a positive integer less than Q; and operating the first wireless signal in the target time-frequency resource; the second signaling is used to determine the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain; the operation is a reception or the operation is a transmission.

As a sub-embodiment, the gNB410 apparatus includes: at least one processor and at least one memory including computer program code; the at least one memory and the computer program code are configured for use with the at least one processor. The gNB410 means at least: transmitting first signaling, wherein the first signaling is used for indicating Q first-class time-frequency resource pools, and the Q first-class time-frequency resource pools are reserved for downlink control information; and determining Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools, wherein the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q, and transmitting second signaling only in one of the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools; and performing the first wireless signal in the target time-frequency resource; the second signaling is used to determine the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain; the execution is either transmission or reception.

As a sub-embodiment, the gNB410 includes: a memory storing a program of computer-readable instructions that, when executed by at least one processor, produce acts comprising: transmitting first signaling, wherein the first signaling is used for indicating Q first-class time-frequency resource pools, and the Q first-class time-frequency resource pools are reserved for downlink control information; and determining Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools, wherein the Q is a positive integer greater than 1, and the Q1 is a positive integer less than the Q, and transmitting second signaling only in one of the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools; and performing the first wireless signal in the target time-frequency resource; the second signaling is used to determine the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain; the execution is either transmission or reception.

As a sub-embodiment, UE450 corresponds to a user equipment in the present application.

As a sub-embodiment, the gNB410 corresponds to a base station in the present application.

As a sub-embodiment, at least the first two of the receiver 456, the receive processor 452 and the controller/processor 490 are used to receive first signaling that is used to indicate Q first-class time-frequency resource pools reserved for downlink control information.

As a sub-embodiment, at least the first two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to receive the first wireless signal in the target time-frequency resource.

As a sub-embodiment, at least the first two of the transmitter 456, the transmit processor 455, and the controller/processor 490 are used to transmit the first wireless signal in the target time-frequency resource.

As a sub-embodiment, at least the first two of the receiver 456, the receive processor 452 and the controller/processor 490 are configured to receive Q1 third signaling, where the Q1 third signaling corresponds to the Q1 first type time-frequency resource pool one-to-one.

As a sub-embodiment, at least the first two of the receiver 456, the receive processor 452, and the controller/processor 490 are used to perform channel detection in K candidate time units, respectively.

As a sub-embodiment, at least the first two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to transmit first signaling that is used to indicate Q first-class time-frequency resource pools reserved for downlink control information.

As a sub-embodiment, at least the first two of the transmitter 416, the transmit processor 415, and the controller/processor 440 are used to transmit the first wireless signal in the target time-frequency resource.

As a sub-embodiment, at least the first two of the receiver 416, the receive processor 412, and the controller/processor 440 are used to receive the first wireless signal in the target time-frequency resource.

As a sub-embodiment, at least the first two of the transmitter 416, the transmit processor 415 and the controller/processor 440 are used to transmit Q1 third signaling, which Q1 third signaling corresponds one-to-one to the Q1 first type time-frequency resource pool.

As a sub-embodiment, at least the first two of the receiver 416, the receive processor 412, and the controller/processor 440 are used for channel detection in Q target time units, respectively.

As a sub-embodiment, at least the first two of the receiver 416, the receive processor 412, and the controller/processor 440 are used to monitor the first wireless signal among K candidate time-frequency resources, respectively.

Example 5

Embodiment 5 illustrates a flow chart of a first wireless signal, as shown in fig. 5. In fig. 5, the base station N1 is a maintenance base station of a serving cell of the user equipment U2. In the figure, the steps in the block identified as F0 are optional.

For the followingBase station N1Transmitting a first signaling in step S10; in step S11, channel detection is performed in Q target time units, Q1 first class time-frequency resource pools are determined from the Q first class time-frequency resource pools, Q1 third signaling is sent, and a second signaling is sent in one of the Q1 first class time-frequency resource pools; the first wireless signal is transmitted in the target time-frequency resource in step S12.

For the followingUser equipment U2Receiving a first signaling in step S20; receiving Q1 third in step S21Signaling, and monitoring second signaling in the Q1 first class time-frequency resource pools; the first wireless signal is received in the target time-frequency resource in step S22.

In embodiment 5, for base station N1: the first signaling is used by the base station N1 to indicate Q first class time-frequency resource pools, where the Q first class time-frequency resource pools are reserved for downlink control information; the base station N1 determines Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools, and only one of the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools sends second signaling, wherein Q is a positive integer greater than 1, and Q1 is a positive integer smaller than Q; the Q1 third signaling corresponds to the Q1 first class time-frequency resource pools one by one; the Q1 third signaling is respectively used by the base station to indicate that the Q1 first class time-frequency resource pools are occupied; the second signaling is used by the base station N1 to indicate the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain; the Q target time units respectively correspond to the Q first-class time-frequency resource pools; channel detection for the Q target time units is used by base station N1 to determine that the Q1 first-class time-frequency resource pools of the Q first-class time-frequency resource pools are free.

In embodiment 5, for user equipment U2: the first signaling indicates Q first class time-frequency resource pools, and the Q first class time-frequency resource pools are reserved for downlink control information; the Q1 third signaling is used by the ue U2 to determine that the Q1 first class time-frequency resource pools are occupied by the base station N1; the user equipment U2 determines Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools according to the Q1 third signaling, monitors second signaling in the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools only, wherein Q is a positive integer greater than 1, and Q1 is a positive integer smaller than Q; the user equipment U2 monitors the second signaling in the Q1 first type time-frequency resource pools, and the user equipment U2 stops monitoring the second signaling in the Q first type time-frequency resource pools and in the first type time-frequency resource pools other than the Q1 first type time-frequency resource pools.

As a sub-embodiment, the Q1 third signaling is used to determine that the Q1 first class time-frequency resource pools are occupied by the base station N1, respectively.

As a sub-embodiment, the Q1 third signaling indicates that Q1 time domain resources are occupied, and the Q1 first type time-frequency resource pools belong to the Q1 time domain resources in time domain, respectively.

As an subsidiary embodiment of this sub-embodiment, any of said Q1 time domain resources occupies a positive integer number of multicarrier symbols of duration, said positive integer number of multicarrier symbols being contiguous in the time domain.

As a sub-embodiment, the Q1 first type time-frequency resource pools are Q1 earliest occupied first type time-frequency resource pools in the Q first type time-frequency resource pools.

As a sub-embodiment, any one of the Q1 third signaling is DCI.

As a sub-embodiment, any one of the Q1 third signaling is given an identity.

As an subsidiary embodiment of this sub-embodiment, the given identity is used to generate a RS (Reference Signal) sequence of the DMRS (Demodulation Reference Signal ) corresponding to the third signaling.

As an subsidiary embodiment of this sub-embodiment, said third signalling is given an identity of: the CRC (Cyclic Redundancy Check ) included in the third signaling is scrambled by a given identity.

As an subsidiary embodiment of this sub-embodiment, said given identity is 16 binary bits.

As an subsidiary embodiment of this sub-embodiment, said given identity is used for scrambling of said third signalling.

As an subsidiary embodiment of this sub-embodiment, said given identity is a CC-RNTI.

As an subsidiary embodiment of this sub-embodiment, said given identity is cell-common.

As an subsidiary embodiment of this sub-embodiment, said given identity is terminal group specific and said user equipment U2 is a terminal of said terminal group.

As a sub-embodiment, the Q1 first type of time-frequency resource pools are free means that: the Q1 time-frequency resource pools of the first class are not occupied by other transmitting ends except the base station N1.

As a sub-embodiment, Q1 target time units in the Q target time units are in one-to-one correspondence with the Q1 first type time-frequency resource pools, and the base station N1 confirms that the Q1 first type time-frequency resource pools are idle as a result of channel detection performed in the Q1 target time units.

Example 6

Embodiment 6 illustrates another flow chart of a first wireless signal, as shown in fig. 6. In fig. 6, the base station N3 is a maintenance base station of the serving cell of the user equipment U4.

For the followingBase station N3Monitoring the first wireless signals in K candidate time-frequency resources in step S30; the first wireless signal is received in the target time-frequency resource in step S31.

For the followingUser equipment U4In step S40, channel detection is performed in K candidate time units, respectively; the first wireless signal is transmitted in the target time-frequency resource in step S42.

In embodiment 6, the K candidate time-frequency resources correspond to K candidate time units respectively; channel detection by the user equipment U4 in a target candidate time unit determines that the target time-frequency resource is idle; the target candidate time unit is a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling in the present application indicates the K candidate time-frequency resources.

As a sub-embodiment, the channel detection is energy detection.

As a sub-embodiment, the channel detection is LBT.

As a sub-embodiment, the channel detection is CCA (Channel Clear Access, channel idle assessment).

As a sub-embodiment, the given candidate time-frequency resource is the earliest candidate time-frequency resource in the time domain among the K candidate time-frequency resources, the candidate first-class time-frequency resource pool is the first-class time-frequency resource pool occupied by the second signaling, and the given candidate time-frequency resource is related to the candidate first-class time-frequency resource pool at the beginning time of the time domain and at the ending time of the time domain.

As an subsidiary embodiment of this sub-embodiment, said candidate first class time-frequency resource pool is located in slot #m, said given candidate time-frequency resource is located in slot# (m+m1), said M is a non-negative integer, said M1 is a positive integer greater than 1, said second signaling explicitly indicates said M1, or said second signaling implicitly indicates said M1.

As an subsidiary embodiment of this sub-embodiment, said candidate first-class time-frequency resource pool is the last first-class time-frequency resource pool in the time domain among said Q1 first-class time-frequency resource pools.

As a sub-embodiment, an interval between any two candidate time-frequency resources adjacent in the time domain between the K candidate time-frequency resources is M2 time slots, where M2 is a positive integer; the M2 is fixed, or the second signaling explicitly indicates the M2, or the M2 is configured through RRC signaling.

As a sub-embodiment, at least two candidate time-frequency resources exist in the K candidate time-frequency resources, where the two candidate time-frequency resources respectively belong to two different frequency band resources.

As an subsidiary embodiment of this sub-embodiment, the two different frequency band resources correspond to two CCs orthogonal in the frequency domain, respectively.

As an subsidiary embodiment of this sub-embodiment, the two different frequency band resources correspond to two BWP orthogonal in the frequency domain, respectively.

As a sub-embodiment, the target time-frequency resource is an earliest candidate time-frequency resource among the K candidate time-frequency resources determined to be idle in the time domain by the user equipment.

Example 7

Embodiment 7 illustrates a schematic diagram of Q first class time-frequency resource pools, as shown in fig. 7; in fig. 7, any two first-type time-frequency resource pools of the Q first-type time-frequency resource pools are orthogonal in the time domain, and the Q target time units respectively correspond to the Q first-type time-frequency resource pools; channel detection for the Q target time units is used to determine that the Q1 of the Q first-class time-frequency resource pools are free; the first set of target time units shown in the figure includes Q1 target time units; the Q1 target time units respectively include Q1 third signaling, and the Q1 third signaling is used to determine that the Q1 first-class time-frequency resource pools are idle.

As a sub-embodiment, any one of the Q first-class time-frequency resource pools occupies a positive integer number of consecutive multicarrier symbols in the time domain.

As a sub-embodiment, there are a positive integer number of multicarrier symbols not occupied by the base station in the present application between any two of the Q first-class time-frequency resource pools.

As a sub-embodiment, any one of the Q target time units occupies a positive integer number of consecutive multicarrier symbols in the time domain.

As a sub-embodiment, there are a positive integer number of multicarrier symbols not occupied by the base station in the present application between any two of the Q target time units.

As a sub-embodiment, the first target time unit set includes Q1 target time units in the Q target time units, the Q1 target time units included in the first target time unit set are respectively in one-to-one correspondence with the Q1 first type time-frequency resource pools, and the base station determines that the Q1 first type time-frequency resource pools are idle in the first target time unit set.

Example 8

Embodiment 8 illustrates a schematic diagram of K candidate time-frequency resources, as shown in fig. 8; any one candidate time-frequency resource in the K candidate time-frequency resources occupies a positive integer number of multi-carrier symbols in the time domain.

As a sub-embodiment, the time intervals between any two candidate time-frequency resources adjacent in the time domain in the K candidate time-frequency resources are the same.

As a sub-embodiment, the duration of any two candidate time-frequency resources in the time domain is the same.

As a sub-embodiment, the K candidate time-frequency resources all belong to the same CC in the frequency domain.

As a sub-embodiment, the K candidate time-frequency resources all belong to the same BWP in the frequency domain.

Example 9

Embodiment 9 illustrates a schematic diagram of K candidate time-frequency resources, as shown in fig. 9; any one candidate time-frequency resource in the K candidate time-frequency resources occupies a frequency bandwidth corresponding to a positive integer number of PRBs (Physical Resource Block, physical resource blocks) in a frequency domain; the K candidate time-frequency resources respectively belong to K frequency band resources in the frequency domain, and the K frequency band resources respectively correspond to frequency band resources #1 to #K in the graph; the portion filled with diagonal lines shown in the figure corresponds to the frequency domain resources occupied by the K candidate time-frequency resources.

As a sub-embodiment, the K frequency band resources correspond to K different CCs, respectively.

As an subsidiary embodiment of this sub-embodiment, the K different CCs are orthogonal in the frequency domain.

As a sub-embodiment, the K band resources correspond to K different BWP respectively.

As an subsidiary embodiment of this sub-embodiment, the K different BWPs are orthogonal in the frequency domain.

As a sub-embodiment, the starting positions of the K candidate time-frequency resources in the time domain are the same.

As a sub-embodiment, the K candidate time-frequency resources occupy the same positive integer number of multicarrier symbols in the time domain.

As a sub-embodiment, the K candidate time-frequency resources occupy the same number of PRBs in the frequency domain.

As a sub-embodiment, any two of the K frequency band resources adjacent to each other in the frequency domain are contiguous in the frequency domain.

Example 10

Embodiment 10 illustrates a schematic diagram of Q1 first class time-frequency resource pools and the K candidate time-frequency resources, as shown in fig. 10. In fig. 10, the ue monitors the second signaling in the last first-type time-frequency resource pool in the Q1 first-type time-frequency resource pools, where the second signaling indicates the K candidate time-frequency resources; the K candidate time-frequency resources correspond to K candidate time units respectively; the user equipment performs channel detection in the K candidate time units respectively; the target time-frequency resource in the application is idle candidate time-frequency resource detected by the user equipment in the first time domain in the K candidate time-frequency resources, and the user equipment determines that the target time-frequency resource is idle through channel detection in the target candidate time unit in the application; the user equipment sends the first wireless signal in the application in the target time-frequency resource.

As a sub-embodiment, the user equipment does not detect the second signaling in the first (Q1-1) first-class time-frequency resource pools in the Q1 first-class time-frequency resource pools.

As a sub-embodiment, the given candidate time-frequency resource is the earliest candidate time-frequency resource in the time domain among the K candidate time-frequency resources, the candidate first-class time-frequency resource pool is the first-class time-frequency resource pool occupied by the second signaling, the candidate first-class time-frequency resource pool is located in a time slot #m, the given candidate time-frequency resource is located in a time slot# (m+m1), M is a non-negative integer, M1 is a positive integer greater than 1, and the second signaling explicitly indicates M1, or the second signaling implicitly indicates M1.

Example 11

Embodiment 11 illustrates a schematic diagram of a given target time unit, a given time window, and a given time-frequency resource pool of the first type, as shown in fig. 11. In fig. 11, the time resources occupied by the given first-type time-frequency resource pool include the given time window, where the given target time unit is any one of the Q target time units in the present application, and the given first-type time-frequency resource pool corresponds to the given target time unit, and the base station in the present application performs channel detection in the given target time unit to determine whether the given first-type time-frequency resource pool is idle.

As a sub-embodiment, the base station performs channel detection in the given target time unit to determine that the given first type time-frequency resource pool is free, where the given first type time-frequency resource pool belongs to any one of the Q1 first type time-frequency resource pools.

As an subsidiary embodiment of this sub-embodiment, said given first-class time-frequency resource pool is any one of said Q1 first-class time-frequency resource pools.

As an auxiliary embodiment of this sub-embodiment, the base station transmits a given third signaling in the given time window, where the given third signaling is a third signaling indicating that the given time-frequency resource pool of the first type is occupied in the Q1 third signaling in the present application.

As a sub-embodiment, the base station performs channel detection in the given target time unit to determine that the given first type time-frequency resource pool is not idle, the given first type time-frequency resource pool belonging to a first type time-frequency resource pool out of the Q first type time-frequency resource pools and the Q1 first type time-frequency resource pools.

As an subsidiary embodiment of this sub-embodiment, said given first-class time-frequency resource pool is any one of said Q first-class time-frequency resource pools and outside of said Q1 first-class time-frequency resource pools.

As an subsidiary embodiment of this sub-embodiment, said base station does not transmit radio signals in said given time window.

Example 12

Embodiment 12 illustrates a block diagram of the processing means in one UE, as shown in fig. 12. In fig. 12, the UE processing device 1200 mainly consists of a first receiver module 1201, a second receiver module 1202 and a first transceiver module 1203.

A first receiver module 1201, configured to receive a first signaling, where the first signaling is used to indicate Q first type time-frequency resource pools, and the Q first type time-frequency resource pools are reserved for downlink control information;

a second receiver module 1202 configured to determine Q1 first-class time-frequency resource pools from the Q first-class time-frequency resource pools, monitor only second signaling in the Q1 first-class time-frequency resource pools of the Q first-class time-frequency resource pools, where Q is a positive integer greater than 1 and Q1 is a positive integer less than Q;

a first transceiver module 1203 operating a first wireless signal in a target time frequency resource;

In embodiment 12, the second signaling is used to determine the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain; the operation is a reception or the operation is a transmission.

As a sub-embodiment, the second receiver module 1202 receives Q1 third signaling, where the Q1 third signaling corresponds to the Q1 first class time-frequency resource pools one to one; the Q1 third signaling is used to determine that the Q1 first class time-frequency resource pools are occupied, respectively.

As a sub-embodiment, the first transceiver module 1203 performs channel detection in K candidate time units, respectively; the operation is transmission, and the K candidate time units respectively correspond to K candidate time-frequency resources; channel detection by the user equipment in a target candidate time unit determines that the target time-frequency resource is idle; the target candidate time unit is a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling indicates the K candidate time-frequency resources.

As a sub-embodiment, the ue monitors the second signaling in the Q1 first-type time-frequency resource pools, and the ue stops monitoring the downlink control information in the Q first-type time-frequency resource pools and in a first-type time-frequency resource pool other than the Q1 first-type time-frequency resource pools.

As a sub-embodiment, the first receiver module 1201 includes at least two of the receiver 456, the receive processor 452, and the controller/processor 490 of embodiment 4.

As a sub-embodiment, the second receiver module 1202 includes at least two of the receiver 456, the receive processor 452, and the controller/processor 490 of embodiment 4.

As a sub-embodiment, the first transceiver module 1203 includes at least three of the receiver/transmitter 456, the receiving processor 452, the transmitting processor 455, and the controller/processor 490 in embodiment 4.

Example 13

Embodiment 13 illustrates a block diagram of the processing means in a base station apparatus, as shown in fig. 13. In fig. 13, the base station apparatus processing device 1300 is mainly composed of a first transmitter module 1301, a second transceiver module 1302, and a third transceiver module 1303.

A first transmitter module 1301, configured to send a first signaling, where the first signaling is used to indicate Q first type time-frequency resource pools, and the Q first type time-frequency resource pools are reserved for downlink control information;

a second transceiver module 1302 that determines Q1 first-class time-frequency resource pools from the Q first-class time-frequency resource pools, and transmits second signaling only in one of the Q1 first-class time-frequency resource pools of the Q first-class time-frequency resource pools, the Q being a positive integer greater than 1, the Q1 being a positive integer less than the Q;

A third transceiver module 1303 executing the first wireless signal in the target time-frequency resource;

in embodiment 13, the second signaling is used to determine the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain; the execution is either transmission or reception.

As a sub-embodiment, the second transceiver module 1302 sends Q1 third signaling, where the Q1 third signaling corresponds to the Q1 first type time-frequency resource pools one to one; the Q1 third signaling is used to determine that the Q1 first class time-frequency resource pools are occupied, respectively.

As a sub-embodiment, the second transceiver module 1302 performs channel detection in Q target time units, respectively; the Q target time units respectively correspond to the Q first-class time-frequency resource pools; channel detection for the Q target time units is used to determine that the Q1 first-type time-frequency resource pools of the Q first-type time-frequency resource pools are free.

As a sub-embodiment, the third transceiver module 1303 monitors the first wireless signal in K candidate time-frequency resources, respectively; the execution is receiving, and the K candidate time-frequency resources respectively correspond to K candidate time units; channel detection by a sender of the first wireless signal in a target candidate time unit determines that the target time-frequency resource is idle; the target candidate time unit is a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling indicates the K candidate time-frequency resources.

As a sub-embodiment, the receiver of the first signaling includes a first terminal, where the first terminal monitors the second signaling in the Q1 first-class time-frequency resource pools, and the first terminal stops monitoring the downlink control information in the Q first-class time-frequency resource pools and in a first-class time-frequency resource pool other than the Q1 first-class time-frequency resource pools.

As a sub-embodiment, the first transmitter module 1301 includes at least two of the transmitter 416, the transmit processor 415, and the controller/processor 440 of embodiment 4.

As a sub-embodiment, the second transceiver module 1302 includes at least the first three of the transmitter/receiver 416, the transmit processor 415, the receive processor 412, and the controller/processor 440 of embodiment 4.

As a sub-embodiment, the third transceiver module 1303 includes at least the first three of the transmitter/receiver 416, the transmit processor 415, the receive processor 412, and the controller/processor 440 in embodiment 4.

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

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application are intended to be included within the scope of the present application.

Claims

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

operating the first wireless signal in the target time-frequency resource;

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

channel detection is carried out in Q target time units respectively;

executing the first wireless signal in the target time-frequency resource;

3. A user equipment for wireless communication, comprising:

4. A user equipment according to claim 3, wherein the second receiver module receives Q1 third signaling, the Q1 third signaling corresponding one-to-one to the Q1 first class time-frequency resource pools; the Q1 third signaling is used to determine that the Q1 first class time-frequency resource pools are occupied, respectively.

5. The user equipment according to claim 3 or 4, wherein the first transceiver module performs channel detection in K candidate time units, respectively; the operation is transmission, and the K candidate time units respectively correspond to K candidate time-frequency resources; channel detection by the user equipment in a target candidate time unit determines that the target time-frequency resource is idle; the target candidate time unit is a candidate time unit corresponding to the target time-frequency resource in the K candidate time units; the second signaling indicates the K candidate time-frequency resources.

6. The user equipment according to any of claims 3 or 4, wherein the user equipment monitors the second signaling in the Q1 first type time-frequency resource pools, Q2 first type time-frequency resource pools are composed of first type time-frequency resource pools which are among the Q first type time-frequency resource pools and are outside the Q1 first type time-frequency resource pools, and the sum of Q2 and Q1 is equal to the Q; and stopping monitoring the downlink control information in the Q2 first-class time-frequency resource pools by the user equipment.

7. The ue of claim 5, wherein the ue monitors the second signaling in Q1 first-class time-frequency resource pools, Q2 first-class time-frequency resource pools consist of first-class time-frequency resource pools among the Q first-class time-frequency resource pools and outside the Q1 first-class time-frequency resource pools, and a sum of the Q2 and the Q1 is equal to the Q; and stopping monitoring the downlink control information in the Q2 first-class time-frequency resource pools by the user equipment.

8. The user equipment according to claim 3 or 4, characterized in that the first signaling is RRC layer signaling.

9. The user equipment according to claim 3 or 4, characterized in that the second signaling is one DCI.

10. A base station apparatus for wireless communication, comprising:

a second transceiver module for performing channel detection in the Q target time units, respectively; determining Q1 first class time-frequency resource pools from the Q first class time-frequency resource pools, and transmitting second signaling only in one of the Q1 first class time-frequency resource pools in the Q first class time-frequency resource pools, wherein Q is a positive integer greater than 1, and Q1 is a positive integer smaller than Q;

wherein the second signaling is used to determine the target time-frequency resource; any two first-class time-frequency resource pools in the Q first-class time-frequency resource pools are orthogonal in the time domain.