Abstract: Aspects described herein relate to selecting a base representation for an advance offset of a shift register sequence, generating the shift register sequence corresponding to the advance offset based at least in part on the base representation, and processing a signal based at least in part on the shift register sequence.

Abstract: A method by which a first user terminal transmits a signal in a wireless communication system is disclosed. The method can comprise: monitoring a message related to the mobility of one or more user terminals; transmitting, to a second user terminal selected from among the one or more user terminals, a message for requesting to join a cluster to which the first user terminal belongs; receiving, from the second user terminal, a message for acknowledging joining of the cluster; and transmitting a message related to the mobility of the cluster. In addition, the second user terminal can be selected on the basis of comparison between the mobility of the cluster and the mobility of the second user terminal.

Abstract: An electronic device is disclosed. In addition, various embodiments recognized through the specification are possible. The electronic device includes a communication module, a processor operatively connected with the communication module, and a memory operatively connected with the processor. The memory includes instructions, when executed by the processor, causing the processor to receive information associated with a SIM of another electronic device from the other electronic device via the communication module, receive a user input requesting a voice call for a first SIM of the other electronic device, and transmit a message requesting a voice call for a second SIM of the other electronic device to an IMS server via the communication module based on the information associated with the SIM.

Abstract: A method for determining a DRX parameter, a terminal device, and a non-transitory computer-readable storage medium are provided. The method includes: determining, by a terminal device, a DRX parameter corresponding to a first physical transmission, the DRX parameter corresponding to the first physical transmission being a first DRX parameter corresponding to a Quality of Service (QoS) parameter associated with the first physical transmission or a default second DRX parameter; and performing, by the terminal device, the first physical transmission based on the DRX parameter corresponding to the first physical transmission.

Abstract: A control method and a control system for a capsule endoscope are provided. The control method comprises acquiring a frame rate of the capsule endoscope. The frame rate is the number of frames of images captured by the capsule endoscope per unit time. The control method further comprises controlling the number of radio frequency transmission channels that are turned on according to the frame rate. The number of radio frequency transmission channels that are turned on is at least two, and the radio frequency transmission channels transmit the captured images. The control method and control system for the capsule endoscope can adaptively distribute a plurality of radio frequency transmission channels according to the real-time position of the capsule endoscope, and further turn on the radio frequency transmission channels to transmit a plurality of signals synchronously or asynchronously.

Abstract: Systems, methods, and computer readable mediums for configuring a radio system to provide network service access based on a location of the radio system. The radio system can identify the location and send a location signal indicating its location over a first network. The radio system can receive, over the first network, first configuration data for communicating over a second network based on its location. The radio system can configure itself to communicate over the second network using the first configuration data and subsequently provide network service access over the second network according to the first configuration data.

Abstract: The disclosure provides a method of providing synchronization signal block indication information in a wireless communication system, the method including: configuring the synchronization signal block indication information, based on information regarding an uplink-downlink slot configuration and a subcarrier spacing at which a synchronization signal block is transmitted; transmitting the configured synchronization signal block indication information to a terminal; and transmitting at least one synchronization signal block, based on the configured synchronization signal block indication information.

Abstract: A method for reducing communication network congestion includes (1) obtaining, from a first communication device, a scan of a first communication channel for presence of a first network identifier, (2) determining, from the scan of the first communication channel, that the first network identifier is being broadcasted on the first communication channel by a communication device other than the first communication device, and (3) in response to determining that the first network identifier is being broadcasted on the first communication channel, inhibiting broadcasting of the first network identifier on the first communication channel by the first communication device.

Abstract: The invention relates to a client device (100) and a network access node (300) for transmitting and receiving a random access preamble. The modulation sequence for the random access preamble is based on a first sequence and a second sequence. The first sequence is a sequence from a set of near-orthogonal sequences and the second sequence is a sequence from a set of constant envelope sequences. Due to its construction, the random access preamble herein provides low PAPR and suppresses the side-lobes in its auto-correlation function while producing a set of preambles with low cross-correlation. Furthermore, the invention also relates to corresponding methods and a computer program.

Abstract: The present disclosure provides a method and a User Equipment (UE) supporting transmission power adjustment. The UE receiving a first signaling; and transmitting a first radio signal; wherein, a first modulation symbol sequence is used to generate the first radio signal, the first modulation symbol sequence employs a target waveform, a first bit block is used to generate the first modulation symbol sequence, the first signaling is used to determine the target waveform out of X waveforms, the X is a positive integer greater than or equal to 2, a transmitting power of the first radio signal is a first power, the target waveform is used to determine an upper bound of the first power. The method can adjust the UE transmitting power according to the waveform of the uplink transmission, thus reducing the power loss of the UE or improving the coverage performance of the uplink transmission.

Abstract: This application discloses a communication method and a communications apparatus, to resolve problems of a long transmission path and a large transmission delay of signaling that are caused because a data network (DN) to which application layer control signaling used to control path switching needs to be transmitted for processing in a process of the path switching is outside a mobile communications network. The method includes receiving, by a first core network device, a request message from a terminal, where the request message is used to request to switch from a multicast mode to a unicast mode to transmit service data to be sent to the terminal. The method further includes indicating, by the first core network device based on the request message, a multicast user plane gateway and/or a service server corresponding to the terminal to send, to the terminal in the unicast mode, the service data to be sent to the terminal.

Abstract: A transmitter and a method therein for transmitting discovery signals to a receiver. The transmitter and the receiver are comprised in a radio communications system. The transmitter transmits two or more discovery signals over two or more directions. Each discovery signal is configured to span over a fraction of a carrier bandwidth.

Abstract: The present application relates to the technical field of communications, and provided thereby are a data transmission method, device, equipment and system and a storage medium. The method comprises: generating m transmission blocks (TB) according to data to be transmitted, each TB comprising partial data from within the data, and m?2; dividing transmission content related to each TB into n transmission units within time domain, wherein n?2; and transmitting the n transmission units related to each TB alternately to a receiving terminal in the time domain, the transmission of the n transmission units in the time domain being non-continuous.

Abstract: According to some embodiments, a method for use in a user equipment (UE) operable to transmit a sounding reference signal (SRS) on a plurality of carriers comprises: obtaining an indication to perform SRS carrier-based switching for a carrier; adapting a parameter for uplink transmit power control in response to the obtained indication; and transmitting an uplink signal using the adapted parameter while meeting at least one predetermined uplink power control requirement. According to some embodiments, a method for use in a network node operable to receive a SRS on a plurality of carriers comprises: sending, to a UE, an indication to perform SRS carrier-based switching for a carrier; and receiving, from the UE, an uplink signal based on the parameter for uplink transmit power control adapted in response to the sent indication, wherein the uplink signal meets at least one uplink power control requirement.

Abstract: Aspects of the present disclosure provide techniques of allocating time resources (or slots) based on a flexible pattern that allows allocation of a set of non-continuous time slots resources in an integrated access and backhaul (IAB) system. In one example, the aggregation pattern may be indicated via a single downlink control information (DCI) message that carries explicit information regarding non-continuous time slot allocation. Features of the present disclosure may also include techniques to allow for early termination of transmission between the first node and the second node when the receiver (e.g., second node) successfully receives the data channel before the end of aggregated transmission. In such situation, the first node and the second node may cease transmission after reception of an acknowledgement (ACK) message that may allow the second node to utilize the subsequent time slots for communication with its own children on the next hop (e.g., third node).

Abstract: System and method for processing an analog signal. For example, a demodulator for processing an analog signal includes one or more analog-to-digital converters configured to receive an analog signal and generate a digital signal based at least in part on the analog signal, and a correlator coupled to the one or more analog-to-digital converters and configured to generate a stream of correlation results including a first plurality of correlation results, a second plurality of correlation results, and a third plurality of correlation results. The first plurality of correlation results is different from the second plurality of correlation results by at least one correlation result, and the second plurality of correlation results is different from the third plurality of correlation results by at least another correlation result.

Abstract: Methods, systems, and devices for wireless communications in unlicensed spectrum are described. In some wireless communications systems, a user equipment may identify a service parameter configured for the user equipment for a shared radio frequency channel, such as a subcarrier spacing or beam direction for a directional beam for communications with a base station. The base station may acquire a channel occupancy time for the shared radio frequency channel. The user equipment may monitor for and receive a control message for the channel occupancy time from the base station. The control message may include an indication of service associated with the service parameter and a remaining duration of the channel occupancy time. Based on the indications, the user equipment may adapt one or more receive parameters (e.g., a monitoring periodicity, monitoring time occasions, and whether to skip monitoring) for communicating with the base station during the channel occupancy time.

Abstract: A wearable device that can receive a plurality of Global Navigation Satellite System (GNSS) timing signals using an antenna, where the antenna is located in an exterior portion of the wearable device such that the antenna receives GNSS signals at the external portion of the wearable device, without the GNSS signals first passing through an air gap within a housing of the wearable device. The wearable device is configured to determine a geographic location of the wearable device based at least in part on the GNSS signals. The wearable device is configurable to perform underwater dead-reckoning procedures, measuring energy levels during dwell periods, measuring efficiency of swim strokes, sharing wearable device information with other electronic devices, calibrating the wearable device, or a combination thereof.

Abstract: A terminal is disclosed including a processor that maps an encoded bit sequence of an uplink control information firstly in a layer direction of a resource of an uplink shared channel, secondly in a frequency direction of the resource, and thirdly in a time direction of the resource; and a transmitter that transmits the uplink control information in the resource. In other aspects, a radio communication method for a terminal and a base station are also disclosed.

Abstract: Provided are a data encoding method and device, a storage medium, and a processor. The method includes: obtaining data to be sent; performing quasi-cyclic low-density parity check (LDPC) encoding on the data to be sent to obtain an LDPC codeword sequence, and interleaving the LDPC codeword sequence to obtain an interleaved LDPC codeword sequence; performing cyclic bit selection on the interleaved LDPC codeword sequence from a starting position to obtain a rate-matched codeword sequence, where the starting position is determined according to a predetermined parameter; and sending the rate-matched codeword sequence. The solution above resolves the problem in the related art of unstable transmission after performing quasi-cyclic LDPC encoding on data to be transmitted, and achieves stable transmission after the quasi-cyclic LDPC encoding.

Abstract: This detection method is carried out after a phase for acquiring a navigation signal during a convergence phase and comprises at least one of the following steps: —determining a plurality of pilot channel periodic correlations and a plurality of data channel periodic correlations, and determining a first value as a function of these periodic correlations; —determining a plurality of pilot channel partial correlations, and determining a second value as a function of these partial correlations; —determining a plurality of shifted pilot channel correlations, and determining a third value as a function of these shifted pilot channel correlations. The convergence phase further comprises the step for determining a wrong synchronization when at least one of the first value, the second value, and the third value exceeds a predetermined threshold.

Abstract: Methods and apparatus for providing an adaptive beamforming antenna for OFDM-based communication systems. In one embodiment, a method includes forming a matrix (A) of cyclic prefix values and a matrix (B) of tail values from an orthogonal frequency division multiplexed (OFDM) symbol, and forming a summation matrix (S) and a difference matrix (D) from the matrix A and the matrix B. The method also includes multiplying a beamformer preset matrix (W) with the matrix S and the matrix D to determine a matrix (P) and a matrix (Q), and determining a beam identifier from the P and Q matrices.

Abstract: A communication apparatus that includes a first communication unit for connecting to another communication apparatus and communicating by using a PCR (Primary Connectivity Radio) function in compliance with the IEEE802.11ba standard and a second communication unit for communicating with the other communication apparatus by using a WUR (Wake Up Radio) function in compliance with the IEEE802.11ba standard, the apparatus obtains, from a signal received from the other communication apparatus by the second communication unit, a value indicating a signal intensity or a signal quality of the signal, and sets, based on the obtained value, a transmission rate of the first communication unit.

Abstract: A technique uses a managed computing device to extend management control by an organization to IoT (Internet of Things) devices in a local environment of the computing device. The computing device discovers any local IoT devices and participates in a communication with a server to bring one or more of the IoT devices under management control. In some examples, extending management control involves enrolling selected IoT devices into a management framework of the organization and directing communications between the server and the respective IoT devices through the managed device, which provides a point-of-presence for administering management of the selected IoT devices in the local environment.

Abstract: An apparatus is described, comprising circuitry to obtain base station location information for a plurality of base stations that provide a wireless network for communication with a moving vehicle, the plurality of base stations comprising a current base station and one or more other base stations, circuitry to obtain moving vehicle tracking information for the moving vehicle, circuitry to determine, based on the moving vehicle tracking information and the base station location information, transmission adjustment control information associated with each other base station, and an interface configured to transmit, for reception by the moving vehicle, the transmission adjustment control information associated with at least a selected other base station, to enable the moving vehicle to adjust a signal transmitted to the selected other base station when a handover procedure is performed to transition communication with the moving vehicle from the current base station to the selected other base station.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive, in a first paging occasion, paging information that identifies a data transmission in a second paging occasion subsequent to the first paging occasion; and receive the data transmission during the second paging occasion. Numerous other aspects are provided.

Abstract: Methods, systems, and devices related to mobility management (e.g., reducing transmission delay and interference, and/or increasing transmission reliability) using the unlicensed spectrum are described. In one representative aspect, a method for wireless communication includes receiving, at a wireless communication node, a first message from a mobile device requesting a reestablishment of a network connection; transmitting, from the wireless communication node, a second message to the mobile device, the second message including information for reestablishing and reconfiguring the network connection; and receiving, at the wireless communication node, a third message from the mobile device acknowledging at least one of (1) completing a reestablishment of the network connection, or (2) completing a reconfiguration of the network connection.

Abstract: Methods, systems, and devices for wireless communications are described. A communication device, otherwise known as a user equipment (UE) or a base station may select a sequence from a set of sequences for conveying a payload including a set of bits. A length of the selected sequence may be based on a number of time periods for conveying the payload and a number of frequency tones for conveying the payload. The communication device may apply an interleaving function to the selected sequence to generate an interleaved sequence, and transmit the payload including the set of bits using the interleaved sequence. Likewise, the communication device may receive the payload including the set of bits using an interleaved sequence, and apply an interleaving function to de-interleave the interleaved sequence to generate a selected sequence. The communication device may thereby decode the payload based on the selected sequence.

Abstract: Facilitating a time-division multiplexing pattern-based solution for a dual-subscriber identity module with a single radio in advanced networks (e.g., 5G, 6G, and beyond) is provided herein. Operations of a method can comprise obtaining, by a network device comprising a processor, multiple time-division multiplexing patterns applicable to a mobile device. The multiple time-division multiplexing patterns indicate respective repeating patterns of an on state and an off state of a defined identity of the mobile device. The method also can comprise facilitating, by the network device, a transmission, to the mobile device, of information indicative of the multiple time-division multiplexing patterns. In an example, the mobile device can be configured to operate with at least two subscriber identity modules.

Abstract: A method of scheduling data transmission of a group of wireless devices, in a wireless communication network, comprising: determining a relative transmission timing relation between a reference wireless device out of the group of wireless devices and at least one wireless device out of the group of wireless devices; and scheduling the data transmission of the at least one wireless devices based on the indicated relative transmission timing relation in response to a scheduling request.

Abstract: Techniques for radio frequency uplink performance assessment utilizing downlink erasure frame analysis are provided. An indication of if a received frame has been determined to be an erasure frame is received from a plurality of receiver wireless communications devices. The indications of if the received frame has been determined to be an erasure frame are aggregated. The frame identified by the frame identifier is declared to be an erasure frame when at least one of the plurality of wireless communications devices has indicated the received frame has been determined to be an erasure frame. That an error occurred on an uplink between the sender wireless communication device and the RAN is determined when the frame is declared an erasure frame.

Abstract: Example implementations relate to upgrading access points (APs). In some examples, a primary AP may comprise a processing resource and a memory resource storing machine readable instructions to determine, in response to receiving a data transmission from a secondary AP, whether an image version of the secondary AP and a class of the secondary AP are a same image version and class as the primary AP, determine whether the class of the secondary AP is a same class as a seed AP, and instruct the secondary AP, in response to the seed AP being the same class as the secondary AP, to upgrade the image version of the secondary AP from the seed AP.

Abstract: A method implemented in a first wireless device is described. The method includes transmitting a plurality of paging requests, receiving a first plurality of bit streams, and performing a first correlation, during a reception window, of each bit stream. When a correlation threshold is exceeded, a synchronization packet is transmitted, a bit stream received, and a second correlation performed. When a third time difference between a first time difference and a second time difference is within a predetermined time difference range, a plurality of poll packets is transmitted, a second plurality of bit streams received, and a third correlation is performed of each bit stream of the second plurality of bit streams with a second expected bit stream. The method further includes determining a correlation time of a maximum correlation value of each poll packet and determining the plurality of RTTs corresponding to the plurality of poll pockets.

Abstract: The apparatus is configured to transmit and/or receive GDMRS that may be scrambled based on a same scrambling identifier (ID) and shared for a plurality of UEs or channels. The apparatus, in some configurations, is further configured to multiplex, in time, data for the plurality of UEs or channels into different segments within each symbol in a set of symbols. The apparatus is further configured to transmit and/or receive the multiplexed data for the plurality of UEs or channels. In some configurations, the apparatus is further configured to demodulate the received data based on the GDMRS, and extract at least one segment for a UE or a plurality of channels associated with the apparatus within the demodulated data for subsequent decoding at the apparatus. In some configurations the extraction is based on a SLIV transmitted and/or received by the apparatus.

Abstract: Wireless communications systems and methods related to uplink (UL) communications in a wireless network are provided. In some instances, a wireless communication device is configured to: transmit, to a second wireless communication device, a transmission grant indicating a transmission period; transmit a configuration indicating a plurality of reference signal symbols within the transmission period and an association between a plurality of starting locations and the plurality of reference signal symbols; monitor, in response to the transmission grant, for a communication signal from the second wireless communication device in the transmission period; and identify, upon detection of the communication signal, a starting location of the communication signal from among the plurality of starting locations within the transmission period.

Abstract: An object of the present disclosure is to provide a base station, a system, a method, and a program capable of improving DL MU-MIMO characteristics. A base station according to the present disclosure includes: a calculation unit that calculates a spatial multiplexing antenna weight VJL of each of a plurality of antennas owned by the base station based on information about at least one spatial multiplexing terminal and Down Link (DL) channel information of the at least one spatial multiplexing terminal; and an interference elimination unit that calculates an interference elimination antenna weight WJL that reduces interference power with respect to other terminals to a desired level or lower based on the spatial multiplexing antenna weight VJL, and calculates a desired signal power loss PLJL of the at least one spatial multiplexing terminal based on the spatial multiplexing antenna weight VJL and the interference elimination antenna weight WJL.

Abstract: Aspects of the disclosure relate to wireless communication systems configured to provide techniques for polar coding control information together with combined cyclic redundancy check (CRC) information. The combined CRC information may include a number of CRC bits selected to jointly decode and verify the control information to reduce the CRC overhead.

Abstract: Provided are a base station, user equipment and wireless communication method related to RS collision cancellation in full duplex communication.

Abstract: This application provides a resource mapping method, a network device, and a terminal device. The method includes: generating, by a network device, control information, where the control information is used to indicate at least one type of the following information: at least one bandwidth region in which at least one frequency domain resource unit is located, a granularity of the frequency domain resource unit, and a location of the frequency domain resource unit in the bandwidth region; and sending, by the network device, the control information to a terminal device. The frequency domain resource unit is a scheduling unit of a frequency domain resource used when the network device and the terminal device transmit a data channel. The granularity of the resource unit corresponds to a granularity of a resource unit used when the network device and the terminal device transmit a control channel.

Abstract: A transmitter and a method therein for transmitting discovery signals to a receiver. The transmitter and the receiver are comprised in a radio communications system. The transmitter transmits two or more discovery signals over two or more directions. Each discovery signal is configured to span over a fraction of a carrier bandwidth.

Abstract: The present disclosure provides a method and a User Equipment (UE) supporting transmission power adjustment. The UE receiving a first signaling; and transmitting a first radio signal; wherein, a first modulation symbol sequence is used to generate the first radio signal, the first modulation symbol sequence employs a target waveform, a first bit block is used to generate the first modulation symbol sequence, the first signaling is used to determine the target waveform out of X waveforms, the X is a positive integer greater than or equal to 2, a transmitting power of the first radio signal is a first power, the target waveform is used to determine an upper bound of the first power. The method can adjust the UE transmitting power according to the waveform of the uplink transmission, thus reducing the power loss of the UE or improving the coverage performance of the uplink transmission.

Abstract: A method performed in an Internet of Vehicles data transmission system is provided in the present disclosure, where the Internet of Vehicles data transmission system includes a plurality of clusters and at least one road-side unit connected to the Internet, each cluster includes at least one on-board unit, and the at least one on-board unit includes a cluster head on-board unit, and the method includes: transmitting data in the on-board unit to one of the at least one road-side unit, via the cluster head on-board unit of the cluster where the on-board unit belongs. An on-board unit and an Internet of Vehicles data transmission system are further provided.

Abstract: Systems, apparatuses, methods, and computer program products are disclosed for post-quantum cryptography (PQC). An example method includes transmitting a first portion of an electronic communication to a client device over a non-PQC communications channel. The example method further includes transmitting a second portion of the electronic communication to the client device over a PQC communications channel. In some instances, the first portion of the electronic communication may comprise overhead data, and the second portion of the electronic communication may comprise payload data.

Abstract: Techniques are disclosed herein for providing guidance for autonomous vehicles in areas of low network connectivity, such as rural areas. According to an embodiment, a guidance system receives a request to exchange data with a vehicle within a specified radius thereof over a wireless connection (e.g., a radio frequency protocol-based connection). The data is stored by the guidance system and is indicative of navigation information within the specified radius. The guidance system transmits the stored data to the vehicle. The guidance system also receives, from the vehicle, data indicative of navigation information for a path previously passed by the vehicle.

Abstract: A transceiver of a mobile device may receive a beacon transmitted by a mesh network member mobile device. A processor of the mobile device may extract a crew ID from the beacon. The processor may determine that the crew ID matches a crew ID of a user logged into the mobile device. In response to determining that the crew ID matches the crew ID of the user, the processor may generate a reply beacon. The transceiver may transmit the reply beacon. The transceiver may receive a response to the reply beacon. The response may include a job ID enabling the user to clock into a job. The processor may clock the user into the job. As a result of clocking the user into the job, the mobile device may become a member of the mesh network.

Abstract: An electronic device according to various embodiments of the present invention may comprise a transmission module including a first transmission module and a second transmission module, and a processor. The processor may feedback-receive a transmission power of the first transmission module, calculate a difference value between a target transmission power and the transmission power of the first transmission module, determine a state of the first transmission module on the basis of the difference value, and turn off a transmission operation of the first transmission module and activate a transmission operation of the second transmission module in accordance with the determination that the state of the first transmission module is abnormal. Various other embodiments are possible.

Abstract: A method for receiving a backoff value at a wireless station is presented. A traffic indication map is received at the station, wherein a backoff number is implicitly assigned to the station based on a position of the station within the traffic indication map. The backoff value is determined by multiplying the backoff number by a predetermined time value.

Abstract: Methods, systems, and devices for wireless communication are described. A wireless device may determine a Physical Uplink Control Channel (PUCCH) resource for a PUCCH transmission prior to receiving a dedicated PUCCH resource configuration, determining a repetition level for the PUCCH transmission, and transmit the PUCCH transmission, on at least the PUCCH resource, according to the repetition level. A base station may transmit, to a user equipment (UE), information scheduling a Physical Uplink Control Channel (PUCCH) transmission on a PUCCH resource prior to configuring dedicated PUCCH resources for the UE, determine a repetition level for the PUCCH transmission, transmit, to the UE, an indication of the repetition level, and receive, according to the repetition level, a first repetition of the PUCCH transmission on the PUCCH resource and other repetitions of the PUCCH transmission.

Abstract: The embodiments of the present invention relate to apparatuses and methods for resource management in a multi-carrier system wherein a plurality of component carriers (CCs) is defined per cell. According to a method in an apparatus corresponding to a radio base station, a message is assembled comprising information on the structure of the cell served by the radio base station; the information including one or more CCs used in the cell that is/are available for a user equipment for performing initial access in the cell. The method also comprises, transmitting the assembled message to the user equipment and indicating to the user equipment to what resources to use for random access in the cell. The exemplary embodiments of the present invention also relates to a method in the user equipment, to a radio base station and to a user equipment.

Abstract: Aspects of the present disclosure provide techniques for addressing scenarios where the minimum transmit power supported by an Integrated Access and Backhaul (IAB) node is above a minimum value specified by a standard. In some cases, the IAB node may signal information regarding its power configuration so a network entity of the IAB may take it into account (e.g., when allocating or scheduling resources). The power configuration may include an indication of the minimum transmit power supported by the IAB node and/or an indication of a guard band that may help the IAB node control adjacent channel leakage.