Abstract: A method for jointly optimizing beam selection and partitioning of transmission resources for a downlink between a base station (BS) and a user equipment (UE) in a mm-wave cellular network such as the small cell layer of a 5G network. A UE position estimate is used for accurate BS beam selection and alignment between the BS and UE beams and/or provide position-based services or functionalities. An optimal partitioning factor is obtained either by maximizing a communication performance indicator while meeting a constraint upon a localization performance indicator or by maximizing a localization performance indicator while meeting a constraint upon a communication performance indicator. A communication performance indicator can be an effective rate coverage probability or an effective throughput.

Abstract: This application provides a resource management method, including: receiving, by a terminal device, a plurality of beams sent by a network device; determining, by the terminal device, a correlation of at least two beams in the plurality of beams based on index numbers of the at least two beams; and reporting, by the terminal device, the at least two beams to the network device, where a correlation between any two of the at least two beams meets a requirement of the network device. The method can enable the terminal device to report a beam to the network device based on a correlation requirement of the network device.

Abstract: Methods, systems, and devices for wireless communication are described. Generally, the described techniques provide for forward/retransmitting a data transmission to a target UE through a helper UE. A helper UE may receive a data transmission from a network node, determining whether the received data transmission is intended for a target UE or for the helper UE itself, based on a control message, and retransmitting the data transmission to the target UE upon determining that the data transmission is intended for the target UE. A network node such as a base station may transmit a control message to at least a help UE, the control message comprising an indicator of whether a data transmission is intended for the helper UE or a target UE and transmit the data transmission to at least the helper UE and the target UE.

Abstract: The present disclosure provides a communication link configuration method and device. The method is applied to a base station, and includes: sending capability enquiry signaling to a terminal, the capability enquiry signaling being used for querying about a wireless transmission capability of the terminal; receiving capability reporting signaling sent by the terminal, the capability reporting signaling including first information for representing the wireless transmission capability of the terminal; and configuring a corresponding communication link for the terminal according to the first information. Therefore, the present disclosure can configure a corresponding communication link for a terminal according to the wireless transmission capability of the terminal, improving the accuracy of communication link configuration, and further improving the communication quality.

Abstract: In order to flexibly determine a communication band in consideration of a bandwidth part configured for a terminal apparatus, a base station 100 of the present invention includes an obtaining unit 143 configured to obtain information related to a maximum communication bandwidth for a terminal apparatus 200 and information related to one or more bandwidth parts configured for the terminal apparatus 200, and a determining unit 145 configured to determine a communication band used by the terminal apparatus 200, based on the information related to the maximum communication bandwidth for the terminal apparatus 200 and the information related to the one or more bandwidth parts configured for the terminal apparatus 200.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit concurrent messages over a sidelink channel to another UE and over an uplink channel to a base station. The UE may transmit, to a base station, a report indicating a capability of the UE to concurrently transmit over a sidelink channel and an uplink channel. The UE may receive, from the base station and based on the report, a transmission configuration scheduling a concurrent sidelink and uplink transmission within a resource shared by the sidelink channel and the uplink channel. The UE may then transmit the concurrent sidelink and uplink transmission within the resource shared by the sidelink channel and the uplink channel based on the transmission configuration. The other UE and the base station may receive the concurrent sidelink and uplink transmission and may decode different layers of the transmission.

Abstract: Wireless communication devices are adapted to facilitate power conservation and sidelink communications. According to one example, a wireless communication device can transmit a reservation signal to reserve one or more sidelink resources for use by another device, and receive a sidelink transmission from the other device on at least a portion of the one or more reserved sidelink resources. According to another example, a wireless communication device can detect a reservation signal from another device, where the reservation signal is configured to reserve one or more sidelink resources, and transmit a sidelink transmission on at least a portion of the one or more of the sidelink resources reserved by the other device. Other aspects, embodiments, and features are also included.

Abstract: Methods, apparatuses, and computer readable media for extreme high throughput (EHT) physical layer data rate. An apparatus of an access point (AP) comprising processing circuitry configured to encode an EHT capabilities element, the EHT capabilities element comprising a maximum media access control (MAC) protocol data unit (MPDU) in an aggregated MPDU (A-MPDU) length exponent subfield. The processing circuitry further configured to configure the AP to transmit the EHT capabilities element to a station (STA), and determine a maximum A-MPDU length based on two raised to a power of a constant plus a value of the A-MPDU length exponent subfield. The processing circuitry further configured to encode MPDUs in an A-MPDU, where the A-MPDU is encoded to be less than or equal to the maximum A-MPDU length.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit UE assistance information including UE capability report and measurement report to a base station, and the base station may determine a physical downlink control channel (PDCCH) monitoring configuration for reduced-capability UEs based at least in part on the UE assistance information. The UE may determine whether a group common PDCCH (GC-PDCCH) communication indicates that the zone identifier is activated for an associated monitoring period. The UE may selectively perform one or more PDCCH blind decodes in one or more search space sets associated with the zone identifier during the monitoring period based at least in part on determining whether the GC-PDCCH communication indicates that the zone identifier is activated for the monitoring period. Numerous other aspects are provided.

Abstract: A method for configuring a guard period includes: determining a target guard duration value corresponding to a guard period; and when data burst transmission is to be performed, sending target data of the data burst transmission to a receiver in the Internet of Vehicles starting from a first time point, where the first time point is a time point having an interval of the target guard duration value from a start time point, and the start time point is a time point at which the data burst transmission is determined to be performed. A guard period can be placed before sending target data, and a number of valid symbols in a subframe for data transmission can be increased by controlling a target guard duration value corresponding to the guard period, reducing performance loss of a terminal and improving performance in the Internet of Vehicles.

Abstract: Examples herein describe systems and methods for Physical Uplink Control Channel (PUCCH) reallocation. Interference can be detected on a Physical Resource Block (PRB) corresponding to a time-frequency unit of a resource allocated to PUCCH by a base station. The impact the interference has on a subscriber service can be quantified. The quantified services impact can be compared to a threshold. Upon determining that the service impact exceeds the threshold, PRBs of other resources on the base station can be analyzed. The analysis can predict how reallocating the other resources to PUCCH can improve the quality of the subscriber service. One of the other resources can be selected, and instructions can be provided to reallocate the selected resource to PUCCH.

Abstract: [Problem] Provided is a mechanism for enabling periodic transmission and reception of the UL control signal in the NR in a more appropriate manner. [Solution] A terminal device communicates with a base station according to the TDD (Time Division Duplex) method. The terminal device includes a control unit that transmits uplink control signals based on the setting information indicating a first resource which is periodically placed in each of a plurality of bandwidth parts included in a component carrier and which is to be used in the transmission of the uplink control signals.

Abstract: Certain aspects of the present disclosure provide techniques for uplink transmit beam update using uplink transmission configuration indicator (TCI) states. An example method generally includes receiving, from a network entity, signaling of an uplink transmission configuration indicator (TCI) state update for one or more uplink transmissions. The example method generally includes determining the uplink TCI state update is to be applied for dynamically scheduled uplink transmission, semi-persistently scheduled uplink transmission, or periodic uplink transmission. The example method generally includes applying the uplink TCI state update to one or more uplink transmissions in accordance with the determination.

Abstract: Embodiments of this application provide a communication method and apparatus, and a computer storage medium, to reduce communication latency between a terminal and a base station, and improve a capability of adapting to a latency-sensitive scenario. The method provided in this application includes a terminal that receives at least one uplink configuration and at least one random access configuration from a network device. The uplink configuration is used to indicate a parameter for sending uplink data, and the random access configuration is used to indicate a parameter for sending a preamble. The at least one uplink configuration includes a first uplink configuration, the at least one random access configuration includes a first random access configuration, and there is a correspondence between the first uplink configuration and the first random access configuration.

Abstract: Examples described herein include systems and methods which include wireless devices and systems with examples of configuration modes for baseband units (BBU) and remote radio heads (RRH). For example, a computing system including a BBU and a RRH may receive a configuration mode selection including information indicative of a configuration mode for respective processing units of the BBU and the RRH. The computing system allocates the respective processing units to perform wireless processing stages associated with a wireless protocol. The BBU and/or the RRH may generate an output data stream based on the mixing of coefficient data with input data at the BBU and/or the RRH. Examples of systems and methods described herein may facilitate the processing of data for 5G wireless communications in a power-efficient and time-efficient manner.

Abstract: A method by which a base station and a terminal transmit/receive a signal and a device for supporting the same are disclosed. More particularly, disclosed in the following explanation are: a method by which a terminal and a base station efficiently transmit/receive a signal by controlling, in units of groups, a newly proposed frame (or subframe) structure; and devices for supporting the same.

Abstract: Methods and apparatus, including computer program products, are provided for use of bi-directional slots of a subframe. In some example embodiment, there may be provided an apparatus that includes at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to at least determine a threshold indicative of downlink symbol availability in at least one bi-directional slot of a subframe and monitor for an occasion covering the at least one bi-directional slot, when the threshold indicates the availability of downlink symbols in the at least one bi-directional slot. Related systems, methods, and articles of manufacture are also described.

Abstract: A terminal is disclosed that includes a processor that determines a first time unit or a second time unit per frequency band, the first time unit being formed with a symbol having a symbol length in accordance with a first subcarrier spacing and the second time unit being formed with a symbol having a symbol length in accordance with a second subcarrier spacing and being longer than the first time unit. The terminal further includes a receiver that receives a downlink signal by using any of the first time unit and the second time unit that is determined by the processor and a transmitter that transmits an uplink signal by using the first time unit or the second time unit that is determined by the processor. In other aspects, a base station and radio communication method are also disclosed.

Abstract: A new radio base station establishes a first and a second component. The first and second component carrier overlap each other. The base station transmits first synchronization signal blocks on the first component carrier. The base station transmits second synchronization signal blocks on the second component carrier interleaved in time with the first synchronization signal blocks.

Abstract: A device includes: a first wireless communication interface; a second wireless communication interface; a storage; and a controller. The controller is configured to perform: storing in the storage a center communication frequency of a second communication channel used for second wireless communications; determining a search target distribution, the search target distribution being a range defined by minimum and maximum communication frequencies among a plurality of communication frequencies, the plurality of communication frequencies being at least a part of a plurality of center communication frequencies stored in the storage and being separated from each other by less than a first frequency bandwidth occupied by each of a plurality of first channels; and determining a first communication channel from among at least one first channel satisfying a condition requiring that both minimum and frequencies of each of the at least one first channel be included in the search target distribution.

Abstract: A data transmission method includes that a first device sends a physical layer protocol data unit (PPDU) to a second device. A bandwidth of channels occupied by the PPDU is N×20 megahertz (MHz), the PPDU includes a preamble sequence having a backward compatibility function and a first extremely high throughput long training field (EHT-LTF), the first EHT-LTF is carried in a first subcarrier set, the first subcarrier set includes one or more subcarriers other than a subcarrier that carries the preamble sequence having the backward compatibility function and a direct current subcarrier in the N 20 MHz channels, and N is a positive integer greater than or equal to 2. The second device receives the PPDU sent by the first device.

Abstract: An access system for a wireless local area network is provided. The access system initiates operation in a first frequency band of a plurality of frequency bands of the wireless local area network to provide one or more wireless client devices of the wireless local area network with access to a wireless wide area network. The access system also processes one or more association requests received in the first frequency band to identify one or more associated wireless client device. The access system also determines whether each of the one or more associated wireless client devices supports a second frequency band. The access system also sends a request to the one or more associated wireless client devices to transition from the first frequency band to the second frequency band based on determining that each of the one or more associated wireless client devices supports the second frequency band.

Abstract: A method and apparatus for sidelink information transmission, and a terminal device and a network device. In the method, a first UE (user equipment) receives first configuration information from a base station, wherein the first configuration information is to configure the first UE with at least one first bandwidth part (BWP) for sidelink reception; and the UE receives sidelink information from a second UE on the first BWP.

Abstract: The present disclosure relates to methods and devices for wireless communication. Aspects of the present disclosure can determine a matrix or Hadamard matrix associated with signal transmission, the matrix or Hadamard matrix including M rows and M columns. Also, aspects of the present disclosure can determine a sampling function for generating a set of sequences from the matrix or Hadamard matrix. Aspects of the present disclosure can also generate the set of sequences by sampling one of a set of rows or a set of columns based on the determined sampling function. Aspects of the present disclosure can also transmit a signal derived based on at least one sequence of the set of sequences.

Abstract: Provided is signaling transmitting and receiving methods, device, network-side device, terminal and storage medium. The signaling transmitting method includes: determining a first parameter set and/or a second parameter set for N resource groups; and transmitting an indication signaling, the indication signaling carries indication information for indicating the first parameter set and/or the second parameter set. The signaling receiving method includes: receiving an indication signaling transmitted by a network-side device. The indication signaling carries indication information for indicating a first parameter set and/or a second parameter set determined by the network-side device for N resource groups. The first parameter set is a Physical Downlink Shared Channel Resource Element (PDSCH RE) mapping set. The second parameter set is a Quasi-Co-Location (QCL) parameter set. N is a positive integer greater than 1.

Abstract: A sensor device including a plurality of sensors producing sensor data, a storage device, a memory, a processor connected to the storage device and the memory, wherein the processor is configured to receive sensor data from the plurality of sensors, process the received sensor data from the plurality of sensors, receive external processing requests, perform external processing requests, and send external processing results.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus relating to multiplexing UCI with data in a physical uplink shared channel (PUSCH) transmission.

Abstract: The present disclosure relates to an electronic device, a wireless communication method and a computer readable medium. According to one embodiment, an electronic device used for wireless communication comprises a processing circuit. The processing circuit is configured to: carry out control so as to carry out idle channel detection for one or more allocated bandwidth blocks of an unlicensed frequency band using a predetermined bandwidth; and on the basis of the result of said idle channel detection, determining whether to use said bandwidth blocks for data transmission.

Abstract: Methods, systems, and devices for wireless communication are described. Generally, the described techniques provide for transmission configuration indication states that indicate quasi-collocation relationships. For example, a user equipment (UE) may transmit an uplink reference signal to a base station and receive, in response, a transmission configuration indication state from the base station that is based on the uplink reference signal. In some examples, the transmission configuration indication state may indicate a quasi-collocation relationship between the uplink reference signal and one or more reference signals associated with a downlink channel. In some implementations, the quasi-collocation relationship may be a spatial relationship between one or more antenna ports associated with the base station used to receive the uplink reference signal and one or more antenna ports used to transmit downlink data.

Abstract: Methods, systems, and devices for wireless communications are described. The described techniques may be used to identify when decoded downlink control information (DCI) is from a combined search space set (e.g., a physical downlink control channel (PDCCH)) candidate of a first search space set and a PDCCH candidate of a second search space set). A UE may receive DCI from a base station, identify PDCCH candidates from a first search space set, a second search space set, and a combined PDCCH candidate from the first and second search space set. The UE may decode the DCI and identify that the decoded DCI corresponds to the combined PDCCH candidate based on various characteristics. In accordance with identifying that the DCI is from a combined PDCCH candidate, the UE and base station may identify various communication channel characteristics such as PDSCH, PUSCH, and PUCCH scheduling information, or rate-matching information, among others.

Abstract: Methods, systems, and devices for wireless communications are described. Linking multiple search space sets for physical downlink control channel (PDCCH) repetition may be enabled in a system. A user equipment (UE) may receive an indication of a configured search space set association from a base station. The association may indicate, to the UE, a configuration between a first PDCCH candidate and a second PDCCH candidate. The first PDCCH candidate may correspond to a first search space set, while the second PDCCH candidate may correspond to a second search space set. The UE may monitor the first and second search space set based on the configuration. The UE may combine the first PDCCH candidate with the second PDCCH candidate monitored in the first and second search space set based on capabilities of the UE and the configuration. The UE may decode the combined PDCCH candidates along with individual PDCCH candidates.

Abstract: Certain aspects of the present disclosure provide techniques for applying uplink transmission configuration indicator (TCI) states with downlink reference signals to codebook based physical uplink shared channel (PUSCH) transmissions. An example method generally includes receiving, from a network entity, signaling of an uplink transmission configuration indicator (TCI) state with a target codebook based uplink transmission signal, determining if the TCI state has a source downlink reference signal (RS) and deciding how to process the codebook based uplink transmission based on the determination.

Abstract: An information transmission method includes: receiving, by a terminal, downlink information over a first beam of a single-frequency network cell group. The single-frequency network cell group includes at least two cells, the at least two cells include a first cell that supports transmission of at least two beams, and the first beam is one of the beams supported by the first cell.

Abstract: There is provided user equipment that supports D2D communication and cellular communication, the user equipment including a receiver that receives a radio parameter for the D2D communication corresponding to radio quality of a downlink signal transmitted from a base station or a propagation delay between the base station and the user equipment; and a communication unit that performs the D2D communication using the received radio parameter for the D2D communication corresponding to the radio quality or the propagation delay.

Abstract: An exemplary method provides for a user equipment (UE) receiving a first reference signal (RS) that was transmitted by a base station using a first transmit beam. The UE performs a first RS measurement with respect to the received first RS, producing a first measurement result. The UE receives a second RS that was transmitted by the base station using the first transmit beam. The UE performs a second RS measurement with respect to the received second RS, producing a second measurement result. The UE determines that a condition is satisfied based on determining that the base station has transmitted to the UE a measurement result filtering indicator indicating that the UE may filter its first and second measurement results. The UE derives a filtered measurement result based on the first measurement result and the second measurement result, and selects a beam based on the filtered measurement result.

Abstract: A method performed by a wireless device (121, 122) for determining Channel State Information, CSI, estimates to be transmitted in a CSI report for the wireless device (121, 122) to a network node (110) in a radio communications network (100) is provided. The wireless device (121, 122) receives a message comprising an indication to use CSI estimates corresponding to a determined period of time. In response to said message, the wireless device (121, 122) determines CSI estimates to be used in the CSI report to the network node (110) according to the received indication. A wireless device (121, 122) is also described. A network node (110) and method therein for controlling CSI estimates transmitted by one or more wireless devices (121, 122) in CSI reports to the network node (110) in a radio communications network (100) are also provided.

Abstract: A method is provided in a wireless access point in a wireless communications network. The method includes obtaining information characterizing a first wireless stream and the second wireless stream transmitted or received by the wireless access point. The information includes at least a wireless channel quality for each of the first wireless stream and the second wireless stream. The method further includes allocating transmission resources to the first wireless stream and the second wireless stream based on the obtained information. In response to a change in quality of the first wireless stream, the method further includes revising the allocation of transmission resources for the first wireless stream based on at least one of a target bit-rate and a target level of smoothness.

Abstract: A channel measurement method, a terminal device, and a network side device are provided. The channel measurement method is applied in a user equipment (UE) and comprises: receiving M measurement reference signals sent by a network side device on the measurement resource, M being an integer greater than 1; the measurement resource comprising N measurement sub-resources; the measurement sub-resources being continuous in a time domain and a frequency domain; N being an integer greater than 1.

Abstract: Certain aspects of the present disclosure provide a method for wireless communication by a wireless device. The method generally includes selecting multiple transmission reception points (TRPs) of a plurality of TRPs to form a group of TRPs based on information indicative of relative positions between a user equipment (UE) and each of the plurality of TRPs such that the relative positions between the UE and the multiple TRPs satisfy a criteria. The multiple TRPs of the group of TRPs are selected such that levels of communication delay between each of the multiple TRPs and the UE are within a defined delay range. The method further includes communicating on an uplink using a single timing advance between the UE and the group of TRPs.

Abstract: Apparatus and methods are provided for transmission prioritization between uplink and sidelink. In one novel aspect, transmission prioritization is performed between uplink data transmission and sidelink physical channel/signal transmissions, including feedback channel (PSFCH). In one embodiment, PSFCH transmission is prioritized over the UL transmission when the highest logic channel priority value of the UL transmission with available data is larger than a configured UL priority threshold.

Abstract: Embodiments include methods for an access point to schedule wireless communication devices. Such methods include performing link adaptation by assigning respective modulation and coding schemes (MCS) for the wireless communication devices. Each assigned MCS is associated with a corresponding power back-off. Such methods include scheduling the wireless communication devices on transmission resources based on assignment of the wireless communications devices into two or more groups. Each group is scheduled on different transmission resources than used to schedule other groups. First wireless communication devices assigned a first MCS and a first power back-off are assigned to a first group. Second wireless communications devices assigned a second MCS and a second power back-off, and that meet a grouping criterion associated with the first power back-off, are assigned to the first group until a maximum size for the first group is reached.

Abstract: Various embodiments disclosed herein provide for data traffic steering based on quality of service. According to some embodiments, a system can comprise receiving data packets associated with a quality of service value, wherein the data packets are stored in a buffer and transmitted utilizing a first link, determining whether a condition that indicates a modification to a data routing schedule is satisfied and whether a second link is available, and in response to the determining indicating that the condition is satisfied and that the second link is available, performing the modification of the data routing schedule comprising utilizing the second link and the first link to transmit the data packets associated with the quality of service value.

Abstract: A communication method and system for converging a 5th generation (5G) communication system for supporting higher data rates beyond a 4th generation (4G) system with a technology for Internet of things (IoT) are provided. The communication method and system may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method performed by a terminal in a wireless communication system is provided. The method includes identifying that sidelink channel state information (SL-CSI) reporting is triggered; identifying whether SL resources are allocated for new transmission; performing a logical channel prioritization for the SL resources; and determining whether to trigger a scheduling request for the SL-CSI reporting based on a result of the logical channel prioritization.

Abstract: The present disclosure relates to a resource configuration method and apparatus, a computer device, and a storage medium. A terminal receives configuration information sent by a network device.

Abstract: A packet processing apparatus includes a memory, a processor, a first gate, and a second gate. The memory stores a plurality of allocation patterns for allocating an upstream or downstream of a link direction for each subframe within a predetermined period. The processor obtains a periodicity pattern of a high-priority packet for each of time slots within the subframe. The first gate opens and closes, for each of the time slots within the subframe, output of the high-priority packet. The second gate opens and closes, for each of the time slots within the subframe, output of a low-priority packet. The processor sets gate states of the first gate and the second gate for a predetermined time slot within the subframe in the same link direction as the periodicity pattern to a priority state in which the high-priority packet is preferentially output according to the periodicity pattern.

Abstract: Techniques for signaling uplink transmission configuration indicator (TCI) states are disclosed. In an example, a base station may determine one or more capabilities of a user equipment (UE). The base station may also determine one or more uplink TCI states for the UE to use based on the one or more capabilities. The base station may also transmit, to the UE, signaling of the one or more uplink TCI states.

Abstract: The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for handling for Bandwidth Part operation in wireless communication system, the method comprising: starting a timer related to a downlink (DL) bandwidth part (BWP), when an active BWP for a serving cell is switched to the DL BWP; wherein DL semi-persistent scheduling (SPS) resources are configured on the DL BWP and uplink (UL) SPS resources are configured on a UL BWP related with the DL BWP; transmitting UL data on one of the UL SPS resources or receiving DL data on one of the DL SPS resources; and restarting the timer related to the DL BWP when the UL data is transmitted on the UL SPS resource or the DL data is received in the DL SPS resource.

Abstract: Embodiments of the present disclosure provide methods, devices and computer readable media for Space Division Multiplexing (SDM) Integrated Access and Backhaul (IAB) transmission. According to a method for communication, a first device determines a first set of transmission resources related to first data transmission between the first device and a second device operating in a half-duplex manner as a relay between the first device and a third device. The first device transmits to the second device scheduling information indicating the first set of transmission resources, such that the second device determines, based on the first set of transmission resources, a second set of transmission resources to be used for second data transmission between the second device and the third device. The embodiments of the present disclosure support SDM for IAB transmission.

Abstract: A network node, such as an eNB, allocates a PRB allocation for transmission of at least one user-specific RS. The at least one user-specific RS is configured to be transmitted in a pattern. The at least one user-specific RS is transmitted to a UE. The pattern of the at least one user-specific RS includes at least one over-the-edge RS transmitted outside of the PRB allocation. A UE receives at least one user-specific RS in a pattern, and performs channel estimation based on the at least one user-specific RS. At least part of the at least one user-specific RS is in a PRB allocation of the UE and the pattern of the at least one user-specific RS includes at least one over-the-edge RS received outside of the PRB allocation of said UE.

Abstract: A terminal apparatus includes: a higher layer processing unit configured to configure, in the serving cell, the first set of downlink resource blocks (DL RBs) continuous in a frequency domain and the second set, which is different from the first set, of DL RBs continuous in the frequency domain; and a receiver configured to monitor a first PDCCH with a first DCI format in the first set, the first set being activated, and receive a PDSCH scheduled according to the first DCI format in the first set, wherein in a case that the number of different sizes of DCI formats monitored by using a C-RNTI in the serving cell exceeds three, a size of a first frequency domain resource allocation field included in the first DCI format is provided based on the number of the RBs in the second set, and the first frequency domain resource allocation field is used for scheduling the RBs in the first set.