Abstract: An input signal arranged in frames is received. The frames include a cyclic redundancy check (CRC) field including a number of bits having bit edges. A timing signal is generated to include adjustable duration waveforms at one of a first duration value and a second duration value. A CRC check determines the occurrence, over the duration, of a number of waveforms of the timing signal having their duration adjusted to one of the first duration value and the second duration value which corresponds to the number of bits. A check signal is produced having a pass/fail value. If pass, the duration of the waveforms in the timing signal is maintained adjusted to the one of the first duration value and the second duration value. If fail, the duration of the waveforms in the timing signal is re-adjusted to the other of the first duration value and the second duration value.

Abstract: Disclosed are techniques for wireless positioning. In an aspect, a mobile device receives a timing synchronization offset parameter for a first cell of a set of cells, wherein the timing synchronization offset parameter represents a difference between a system frame number (SFN) initialization time of the first cell and an SFN initialization time of a reference cell, and processes the timing synchronization offset parameter for the first cell based on the SFN initialization time of the reference cell having changed.

Abstract: Disclosed are a method for random access, and a terminal device and a network device. The method comprises: where the random access of a first terminal device fails, the first terminal device determining, according to a trigger condition of the random access, the length of a waiting time before the random access is initiated again; and the first terminal device re-initiating the random access according to the length of the waiting time. The method, the terminal device and the network device provided in the embodiments of the present applicant can improve the flexibility and system performance of a communication system.

Abstract: A method and an apparatus for autonomous transmission in an unlicensed band are provided. The method and apparatus comprising: a wireless device receiving a semi-persistent scheduling (SPS) configuration for first uplink transmission, wherein the SPS configuration includes information regarding an SPS window indicating a time section in which the first uplink transmission is allowed; the wireless device receiving on a DL channel downlink control information (DCI) having an uplink grant that instructs second uplink transmission, wherein the uplink grant includes a second hybrid automatic repeat request process identifier (HARQid) for the second uplink transmission; and the wireless device performing the first uplink transmission in the SPS window when it is confirmed that a wireless medium is in an idle state by performing a listen before talk (LBT) in the SPS window, wherein a first HARQid for the first uplink transmission is not the same as the second HARQid.

Abstract: A method for estimating channel parameters includes: sending a paging signal for identifying the tag device; sending training sequence information, receiving first training sequence feedback information during a non-working period of the tag device, receiving, during a working period of the tag device, second training sequence feedback information modulated by the tag device, and estimating the channel parameters of the tag device according to the training sequence feedback information and the second training sequence feedback information. The tag device having at least one antenna of the present disclosure can modulate carrier signals to transmit information, has advantages such as a fast transmission rate, a large amount of transmission data and a strong anti-interference capability, and can adapt to different application scenarios.

Abstract: A mobile communication device including a Radio Frequency (RF) device and a controller is provided. The controller activates a predetermine Application (APP), and provides a Packet-Switched (PS) data service for the predetermined APP using a first subscriber identity via the RF device. Also, the controller establishes a Radio Resource Control (RRC) connection using a second subscriber identity via the RF device to enable the mobile communication device to enter an RRC connected mode after the predetermined APP is activated, and keeps the mobile communication device in the RRC connected mode associated with the second subscriber identity while providing the PS data service for the predetermined APP using the first subscriber identity.

Abstract: An apparatus of a Radio Access Network (RAN) node, a system, and a method. The apparatus includes one or more processors to generate a message including a downlink (DL) delivery data status (DDDS) frame including flags to indicate a presence of all associated optional information elements therein, the DDDS frame including information elements corresponding to an out-of-sequence delivery report for DL packet data convergence protocol (PDCP) protocol data units (PDUs) (PDCP PDUs) successfully delivered or delivered from the RAN node to a user equipment (UE); and cause transmission of the DDDS frame to a receiving node corresponding to the RAN node in a New Radio (NR) network, the receiving node hosting a NR packet data convergence protocol (PDCP) (NR PDCP) entity.

Abstract: An RO indication method and apparatus, an RO determination method and apparatus, a storage medium, a base station and a terminal are provided. The RO indication method includes: determining RO configuration information which includes at least one of followings: an association relation between ROs and corresponding frequency resources where the ROs are located respectively, and an association relation between ROs and corresponding available preambles; and transmitting the RO configuration information to a UE. By the embodiments of the present disclosure, a network is able to determine an RO of a UE without considering influence caused by a maximum difference time of RTT and increasing an average waiting time for the UE to transmit a preamble.

Abstract: Systems, methods, and articles of manufacture provide for systemic resource utilization analysis and management, such as employing a single-point sensor to detect or identify resource leakage at one or more other locations in a structure.

Abstract: A signal processing device is disclosed, which includes a plurality of channel receivers, a plurality of time code processors in one-to-one correspondence with the channel receivers, a timing generator, a signal processor and a transmitter, wherein each channel receiver is configured to parse an audio-video signal which has a data format defined by the SDI protocol and including a time code that characterizes time information. Each time code processor is configured to extract the time code from a parsed audio-video signal obtained by a corresponding channel receiver, and form first frame image data including a frame time code. The signal processor is configured to form an absolute frame output image based on multiple channels of the first frame of image data, frame time codes therein, and an internal clock signal generated by the timing generator. The transmitter is configured to transmit the absolute frame output image for display.

Abstract: Certain aspects of the present disclosure provide techniques for using multiple timing advances for simultaneous uplink reception, for example, using multiple antennas, beams, and/or antenna panels. A method that may be performed by a user equipment (UE) includes configuring a plurality of timing advances (TAs) for a plurality of uplink transmissions using a plurality of antennas. The UE transmits the plurality of uplink transmissions to a base station (BS) using the plurality of antennas based on the plurality of timing advances. A method that may be performed by a BS includes receiving a plurality of uplink transmissions from a UE and transmitting timing information to the UE in a message, the timing information based on when each of the plurality of uplink transmissions was received at the BS.

Abstract: A coherent optical modem includes an optical interface; and circuitry connected to the optical interface and configured to detect a first timing reference point in a transmit Digital Signal Processor (DSP) frame in a transmit direction from a first node to a second node, and detect a second timing reference point in a receive DSP frame in a receive direction from the second node to the first node, wherein the first timing reference point and the second timing reference point are determined based on a pattern in any DSP frame field including i) padding area, ii) a reserved area, and iii) a DSP Multi-Frame Alignment Signal (MFAS) area. The pattern can be input in select DSP frames for a time period that is greater than a time period for each DSP frame.

Abstract: Methods and apparatuses are provided for transmitting and receiving system information (SI). A method for receiving SI by a user equipment (UE) in a mobile communication system includes receiving, by the UE, the SI including first partial bits of a system frame number (SFN) without second partial bits of the SFN on a broadcast channel (BCH) at a first subframe of a radio frame, the first partial bits of the SFN having the same value during a predetermined N successive radio frames of a BCH transmission period, where N is a positive integer; and acquiring, by the UE, the second partial bits of the SFN for the radio frame, the second partial bits of the SFN having different values in different radio frames of the predetermined N successive radio frames of the BCH transmission period.

Abstract: Methods, systems, and devices for wireless communication are described. A user equipment (UE), operating in a serving cell, may adjust a transmit power of an uplink message when a neighboring cell is operating in an opposite direction (e.g., relative to the direction of communications in the serving cell) within a same or similar frequency band in a same time period. The UE may receive control signaling that indicates a first power control configuration to be used when the neighboring cell is operating in a same direction as the serving cell and a second power control configuration to be used when the neighboring cell is operating in a different direction from the serving cell. The UE may select the appropriate power control configuration based on the communications directions of the serving cell and the neighboring cell and may transmit the uplink message in accordance with the selected power control configuration.

Abstract: A method and apparatus include establishing a communication connection with a communication network via an access point. As part of establishing a communication connection, information is received for defining a format of the communication connection. The format to be used as part of the communication connection includes one or more parameters which are received from the communication network when establishing the communication connection. At least one of the one or more received parameters serves to define a control channel transmission structure to be used as part of the format. A control channel including one or more control channel transmissions is then received in support of the established communication connection, based upon the control channel transmission structure defined by the at least one of the one or more received parameters.

Abstract: This application relates to ADC circuitry. An ADC circuit (200) has first and second conversion paths (201a, 201b) for converting analogue signals to digital and is operable in first and second modes. In the first mode, the first and second conversion paths are connected to respective first and second input nodes (202a, 202b) to receive and convert full scale first and second analogue input signals (Ain1, Ain2) to separate digital outputs (Dout1, Dout2). In the second mode, the first and second conversion paths are both connected to the first input node (202a), to convert the first analogue input signal (Ain1) to respective first and second digital signals, and the first and second conversion paths are configured for processing different signal levels of the first analogue input signal. A selector (207) select the first digital signal or the second digital to be output as an output signal based on an indication of amplitude of the first analogue input signal.

Abstract: [Object] To make it possible to select a cell that is more preferable for a terminal device in an environment in which beamforming is performed. [Solution] There is provided a device including: an acquiring unit configured to acquire received quality information indicating received quality of a reference signal in a terminal device; and a control unit configured to perform cell selection for the terminal device based on the received quality information. When a predetermined condition related to use of weight sets for beamforming by a base station is satisfied, the control unit does not perform the selection based on the received quality information.

Abstract: A system for adjusting bias power provided to a radio-frequency amplifier to increase plurality of figures of merit based on sensed characteristics of the amplifier and/or characteristics of the input or output power.

Abstract: A method for utilizing a default channel during unused periods of timeslots to join, communicate, and/or synchronize with a network comprising determining a time slot is idle; in response to determining the time slot is idle tuning to a default channel while the timeslot is idle; receiving a message on the default channel; and optionally transmitting a subsequent message on the same channel.

Abstract: Systems and methods to transmit data over multiple communication channels in parallel with forward error correction. Original packets are evenly distributed to the channels as the initial systematically channel-encoded packets. Subsequent channel-encoded packets are configured to be linearly independent of their base sets of channel-encoded packets, where a base set for a subsequent channel-encoded packet includes those scheduled to be transmitted before the subsequent packet in the same channel as the subsequent packet, and optionally one or more initial packets from other channels. The compositions of the sequences of the encoded packets can be predetermined without the content of the packets; and the channel-encoded packets can be generated from the original packets on-the-fly by the transmitters of the channels during transmission. When a sufficient number of packets have been received via the channels, a recipient may terminate their transmissions.

Abstract: A system information transmission method and device. The system information transmission method comprises: generating, by a first communication node, first system information indicative of indication information corresponding to second system information, wherein the second system information is used to assist a second communication node to access a system; transmitting to the second communication node the first system information; receiving, by the second communication node, the first system information transmitted from the first communication node; receiving, according to the indication information in the first system information, the second system information; and accessing, according to the second system information, the system.

Abstract: An example operation may include one or more of detecting, by a transport, a potential damage event, recording, by the transport, a first media file via at least one sensor on the transport, accessing, by the transport, a second media file on at least one other transport within a predefined distance of the transport, analyzing, by the transport, the first media file and the second media file to identify portions that correlate to the potential damage event, and determining an actual damage event has occurred based on the analysis.

Abstract: Disclosed are techniques for positioning a user equipment (UE). In aspects, a listening node determines a first time of arrival (ToA) at the listening node of a first radio frequency (RF) signal sent by a transmission-reception point (TRP) to the UE, determines a second ToA at the listening node of a second RF signal sent by the UE to the TRP, determines a time difference between the first ToA and the second ToA, and enables a positioning entity to estimate a location of the UE based on the time difference. The positioning entity calculates a distance between the listening node and the UE based on the time difference, a propagation time between the TRP and the listening node, a propagation time between the TRP and the UE, and a time difference between a ToA of the first RF signal at the UE and a transmission time of the second RF signal.

Abstract: The claimed group of inventions relates to method for enhancing a communication between security sensors and a transceiver within security alarm systems, which could improve an interaction between the transceiver and at least one sensor of the system by performing a real-time correction of its operation, by performing a control of synchronization parameters of the sensors, timely introduction of the corrected parameters and use of an accumulated data for self-correction of the synchronization parameters by the sensors. The implementation of the claimed methods reduces a probability of internal mutual interferences, provides a correct operation of the sensors, increases an autonomous operation time of the sensors and an overall stability of the security alarm systems.

Abstract: Disclosed herein are systems, methods, and devices for sensor systems, in which one or more sensors are linked with a host processor. The sensors may transmit a sequence of frames, such as video frames to the host processor. The methods may include determining and/or adjusting a period or frequency of a first clock or oscillator in a sensor device, based on two signals applied by the sensor to a sequence of frames. The host processor may use its own clock or oscillator to determine an elapsed time between the two signals to determine the period or frequency of the first clock and may apply an adjustment to the sensor's clock. Other embodiments are directed to sensor systems in which two or more sensors may transmit respective sequences of frames to the host processor. The methods may provide the host processor a means to synchronize transmission of the frames from the sensors. The systems, methods, and devices may avoid the need for dedicated timing or synchronization lines.

Abstract: An ultra-wideband (UWB) wireless communication system comprises a first wireless transceiver that outputs a unit of data having a first preamble that includes data for performing a time-of-flight distance measurement; a second wireless transceiver that replaces the first preamble of the unit of data with a second preamble for providing a performance level required for the time-of-flight distance measurement between the first and second wireless transceivers commensurate with an environment in which the second wireless transceiver is used; and a communication link between the first and second wireless transceivers that transmits the unit of data having the first preamble from the first wireless transceiver to the second wireless transceiver, transmits the second preamble from the second wireless transceiver to the first wireless transceiver, and exchanges subsequent electronic communications between the first and second wireless transceivers using the second preamble.

Abstract: Routing server communications through a nearby mobile device. In some embodiments, the method may include establishing a direct communication channel between the first mobile device and the second mobile device, determining which of the first mobile device and the second mobile device is currently a more efficient mobile device that is able to communicate with a server device more efficiently, sending a first server query from the less efficient mobile device to the more efficient mobile device over the direct communication channel, forwarding the first server query from the more efficient mobile device to the server device over the Internet, receiving a first server response at the more efficient mobile device from the server device over the Internet, and forwarding the first server response from the more efficient mobile device to the less efficient mobile device over the direct communication channel.

Abstract: A method of transmit apparatus in a wireless communication system supporting ranging capability is provided. The method comprises determining a beacon interval including a ranging management period and a ranging period, wherein the beacon interval is a variable interval, generating a beacon signal including information for a number of channel access slots corresponding to a ranging contention access period (RCAP) and a ranging contention free period (RCFP), transmitting, to a receive apparatus, the beacon signal at the determined beacon interval, and transmitting, to the receive apparatus, at least one channel access slot in the ranging management period.

Abstract: A method for time-slotted scheduling of packets in timeslots between N nodes and K>1 access points in an industrial wireless network, performed by a network controller of the industrial wireless network. The method includes determining the time-slotted scheduling by allocating each timeslot to a respective one of the nodes, wherein each timeslot for each node is divided in K sub-slots, one for each access point, such that in sub-slot k of each timeslot, where 1?k?K, transmission or reception of a packet is made between access point k and the node to which that timeslot is allocated. The method includes providing information to the access points about the determined time-slotted scheduling.

Abstract: Wireless-conferencing radios communicate directly with each other without a base station using a multiple access protocol, such as Time Division Multiple Access (TDMA).

Abstract: Computer-implemented methods, computer program products, and systems are provided for multi-step ahead forecasting. A method includes configuring, by a processor device, a Vector Autoregression (VAR) model to generate a multi-step-ahead forecast based on previous observations. The previous observations are predictors and the multi-step-ahead forecast is a response to the predictors. The method further includes training, by the processor device, the VAR model using complex-valued weight parameters to avoid a training result relating to any of a divergence and a convergence to zero.

Abstract: Techniques for implementing nested group hierarchies for analytics applications are disclosed. In some embodiments, a computer-implemented method comprises: creating a hierarchy object in a semantic layer based on a request comprising a definition for a nested group hierarchy, the definition specifying a hierarchical relationship structure for non-leaf group nodes and at least one leaf node, the non-leaf group nodes and the leaf node(s) corresponding to data stored in a data source in a non-hierarchical structure, the hierarchy object specifying the hierarchical relationship structure based on the definition; generating a query result based on a request comprising an indication of the hierarchy object using the hierarchy object from the semantic layer to retrieve the data from the data source; and causing the query result to be displayed on a computing device using the hierarchy object to display the retrieved data in a hierarchical format indicating the hierarchical relationship structure.

Abstract: It is difficult in related communication apparatuses to avoid degradation of communication quality due to fading and achieve sufficient throughput performance; therefore, a communication apparatus according to an exemplary aspect of the present invention includes fade avoidance rate calculation means for calculating, from a time variation in communication quality information and a transmission pattern in transmitting a communication packet repeatedly, a fade avoidance rate of a probability that the communication packet lies outside a fade duration, with respect to each transmission pattern; throughput calculation means for calculating, from the transmission pattern and the fade avoidance rate, a throughput of the communication packet with respect to each transmission pattern; and transmission pattern determination means for determining an optimum transmission pattern, of the transmission pattern, by which the throughput is maximized.

Abstract: A method for sending buffer state includes: determining a logical channel of a user equipment (UE) for transmitting service data; acquiring a buffer state report trigger mode corresponding to the logical channel based on a trigger mode relationship table, the trigger mode relationship table comprising logical channels in the UE and buffer state report trigger modes corresponding to the logical channels; and sending the buffer state corresponding to the logical channel to an access network device based on the buffer state report trigger mode.

Abstract: A method and system of mitigating bias in a decision-making system are provided. A presence of bias is identified in one or more machine learning models. For each of the machine learning models, a presence of bias in an output of the model is determined. One or more options to mitigate a system bias during a processing stage, based on the identified presence of bias for each of the one or more models, are determined. One or more options to mitigate the system bias during a post-processing stage, based on the identified presence of bias in each output of the models, are determined. A combination of options is provided, including (i) a processing option for the processing stage, and (ii) a post-processing option for the post-processing stage, wherein the combination of options accommodates a threshold bias limit to the system bias and a total bias mitigation cost threshold.

Abstract: Systems and methods for providing enhanced Quality of Service (QoS) network transmissions can be based on an application sub-class or a user class. Systems and methods can include inspecting the information packet having a network level QoS field having a first network level QoS portion and a second network level QoS portion, determining an application sub-class or user class associated with the information packet, tagging the first network level QoS portion of the information packet according to a first network level QoS value, tagging the second network level QoS portion of the information packet according to a traffic priority indication and to a determined application sub-class or user class, and queuing the information packet for transmission from a network element based on the tagged first network level QoS portion and the second network level QoS portion.

Abstract: A method is provided for performing receiver and transmitter tests of a phased array antenna using a test system including probe antennas for transmitting and receiving RF signals, respectively. For the receiver tests, the method includes receiving the RF signals at receiver channels over propagation paths corresponding to the probe antennas, where each of the receiver channels is set at a selected complex gain setting of multiple available complex gain settings; measuring a combined receive signal output from a single combined output of the phased array antenna; isolating complex gain and complex path loss products from the measured combined receive signal corresponding to the selected complex gain setting and the propagation paths at each of the receiver channels; and determining a relative value between the complex gain of one receiver channel and previous complex gain of the one receiver channel using the isolated complex gain and complex path loss products.

Abstract: Various embodiments to enable Spectrum Access System (SAS) interference mitigation options are disclosed herein. In one embodiment, an apparatus is provided. The apparatus includes a memory to store a data sequence, and one or more processing devices coupled to the memory. The processing devices to generate an interference metric associated with a first group and a second group of infrastructure nodes of a Long-Term Evolution (LTE) network infrastructure based on measurement information. The measurement information comprises measurements related to the transmission of data sequences associated with the first group and the second group. Thereupon, configuration settings are determined for infrastructure nodes of the first group and second group based on the generated interference metric. Each configuration setting represents a frequency band and transmission power level for a corresponding infrastructure node to access data in the LTE network infrastructure.

Abstract: An apparatus may comprise a component for communicating using a first RAT and another component for communicating using a second RAT. Overlapping communication using the two RATs may cause problems for proper reception at the apparatus. The apparatus may detect that transmission or reception of a first packet using a first RAT will overlap in time with reception of a second packet using a second RAT. The apparatus prioritizes the first packet or the second packet based at least on a relative priority of the first packet and the second packet.

Abstract: It is possible to reduce the implementation complexity associated with dynamic carrier configuration by defining overlapping sets of candidate numerologies for at least some carriers in the network. A common numerology is included in sets of candidate numerologies pre-associated with two different carriers. This reduces the amount of numerologies that need to be supported by the corresponding user equipments (UEs) and base stations, which in turn reduces the complexity of those devices, e.g., less complex hardware, protocol stacks, and software, lower storage and processing requirements, etc. The common numerology specifies a common subset of physical layer parameters for both carriers. In one example, the common numerology specifies the same sub-carrier frequency spacing and symbol duration for both carriers. The common numerology may further specify the same cyclic prefix (CP) length for symbols communicated over both carriers.

Abstract: The invention relates to devices and methods for transmitting data on a radio channel comprising to jointly encode a preamble format with a first random access configuration, forming an extended random access configuration. The extended random access configuration is then transmitted on the radio channel.

Abstract: An electronic device is provided. The electronic device includes wireless communication circuitry that supports a Bluetooth network, at least one processor, and a memory. The memory stores instructions that cause the at least one processor to create a link with an external electronic device based on the Bluetooth network, transmit a data packet including content to the external electronic device, through the wireless communication circuitry, identify whether the external electronic device supports a resource control function, receive at least one response message to the data packet through a first time resource, which is previously assigned, when the external electronic device does not support the resource control function, and receive a plurality of response messages to the data packet through a second time resource obtained by changing at least a portion of the first time resource, when the external electronic device supports the resource control function.

Abstract: The present disclosure relates to sending methods and apparatus. One example method includes receiving first indication information for uplink data transmission, where the first indication information indicates a frequency resource for the uplink data transmission, and the frequency resource includes N subcarriers, and sending an uplink reference signal associated with the uplink data transmission, where a length of a sequence of the uplink reference signal is M, a roll-off factor of a filter for the uplink data transmission is not greater than 2 ? ? M N - 1 , and N/2?M<N.

Abstract: Provided are an intra-group communication method and apparatus, a resource configuration method, apparatus and system, and a storage medium. The intra-group communication method includes acquiring, by a group member in group, a platooning dedicated resource (PDR), where the PDR is used for intercommunication of all group members in the group; and performing, by the group member, the intercommunication after acquiring PDR configuration information related to the PDR.

Abstract: The present invention describes a gateway device (100, 100a) for wirelessly connecting IoT sensors, actuators or devices (150, 151, 152, etc.) and aggregating the sensor/actuator/device data into data packages (160); these sensor connections use short range (SR) wireless communication, which includes Bluetooth, BLE, Zigbee, NFC or similar wireless technology. The data packages (160) are then transmitted to a monitor centre (190) at predetermined time intervals via a low power, long range (LR), wireless wide area network (LPWAN), which includes NB-IoT, Sigfox, LoRa or similar wireless technology. BLE standard is modified to further reduce battery power consumption for use in the gateway device. In addition, scheduling of SR and LR transmissions averts wireless interference.

Abstract: The improved beamforming devices for communication systems operating in the mm-wave spectrum are particularly designed for antenna architectures consisting of antenna arrays, comprising multiple antenna array elements. The disclosed approaches comprise intelligent two stage searches, wherein information from the first stage is used in the second stage. This significantly reduces the computational complexity compared to the known approaches, with minimal loss in performance.

Abstract: The present invention contemplates a method and/or system for accurately and accelerated synchronization of communication networks. The method contemplates providing a virtual clock module in which all nodes of a network use the module in an identical manner and wherein the virtual clock module of nodes is generally a data stream whose element is the virtual time with whatever notice made is in communication with at that instant. In a preferred embodiment of the invention, the method or system is processed using a finite impulse filter. The virtual clock in each node is responsible for generating a stream of data in which one may consider as virtual time. Each sample of the discrete time stream is constructed by its nearest neighbor of the node concerned communicating the current sample of its own virtual time stream to the node.

Abstract: According to some embodiments, a method performed by a wireless device for receiving paging information comprises receiving a paging message from a network node. The paging message includes a paging indicator associated with a plurality of wireless devices (e.g., group paging message). The method further comprises determining the wireless device is associated with the paging indicator, transmitting a random access request message to the network node, and receiving a random access response message from the network node. The random access response message is associated with a radio network temporary identifier (RNTI). The method further comprises determining, based on the RNTI, that the random access response includes additional paging information for the wireless device, and decoding the random access response.

Abstract: Disclosed is a method for determining transmit power in a wireless communication system according to one embodiment of the present invention. The method, which is performed by a terminal, comprises the steps of: receiving a semi-persistent scheduling (SPS) setting of a short transmission time interval (sTTI); receiving control information for SPS-related transmit power control according to the received setting; and determining an SPS-related transmit power by using a transmit power control (TPC) command included in the received control information, wherein the control information may include a TPC command for each of a plurality of TTI lengths, which includes an SPS-related TPC command of the sTTI.

Abstract: Methods, systems, and devices for wireless communications are described. The method includes receiving a transmission from a first wireless device at a second wireless device, the transmission including a first coexistence preamble configured to reserve a channel of a shared radio frequency band for a first period of time, a first segment, and a second segment, where the first coexistence preamble comprises an initial channel reservation sequence and a data field indicating information about the first period of time; and transmitting, during a gap period between the first segment and the second segment, a receiver protection signal from the second wireless device, the receiver protection signal including a second coexistence preamble configured to reserve the channel of the shared radio frequency band for a second period of time associated with the second transmission segment.