Abstract: Decoders are provided for memory systems. A decoder includes a seed generator that generates seeds based on a physical address corresponding to a read request from a host; a descrambling module that receives a sequence from a storage area among, multiple storage areas, corresponding to the physical address, and descrambles the sequence using the seeds to generate multiple descrambled sequences; and a selector that selects one of descrambled sequences based on syndrome weight values of the descrambled sequences.

Abstract: A disclosure of the present specification provides a method for performing channel-coding of information on the basis of polar code. The method comprises the steps of: performing the channel-coding of first input information and second input information by using a generator matrix for the polar code; and transmitting first output information and second output information generated as a result of the channel-coding, wherein the first output information may be generated using only the first input information, and the second output information may be generated using both the first output information and the second input information.

Abstract: A method and device for hybrid automatic repeat request feedback are provided. The method includes: a terminal device sends data to be transmitted to a network device; if the terminal device determines that feedback information for the data to be transmitted is not received in a first target time period, the terminal device sends feedback request information to the network device, the feedback request information is used for requesting the network device to send feedback information for the data to be transmitted, a start time point of the first target time period is a time point that the terminal device finishes sending the data to be transmitted, and a time length of the first target time period is a first time length.

Abstract: Wireless communications systems and methods related to uplink (UL) communications in a wireless network are provided. In one embodiment, a first wireless communication device receives a transmission grant indicating a transmission period. The first wireless communication device selects a starting location for transmitting a communication signal from among a plurality of starting locations within the transmission period. The first wireless communication device transmits the communication signal during the transmission period based on the selected starting location. In one embodiment, a first wireless communication device transmits, to a second wireless communication device, a transmission grant indicating a transmission period. The first wireless communication device monitors for a communication signal from the second wireless communication device in the transmission period.

Abstract: A method comprises: obtaining a coded bit sequence by performing PC-polar coding on information bits based on first constructor parameters; and sending the coded bit sequence. A check equation of the first constructor parameters includes a first element representing a check-required information bit position and a second element representing a check bit position, the first element corresponds to a first vector (V1) in a generator matrix for PC-polar codes, the second element corresponds to a second vector (V2) in the generator matrix, and if a first Hamming weight (HW1) of V1 is the same as a second Hamming weight (HW2) of V2, then a third Hamming weight (HW3) of an addition modulo 2 vector is greater than HW1 and greater than HW2, or if HW1 is different from HW2, then HW3 is greater than a smaller one of the HW1 and HW2.

Abstract: A mobility measurement method includes: receiving, from a first base station, system information including information of a first reference signal configured by the first base station for a current cell that is a cell accessed currently, and information of a second reference signal configured by a second base station for a neighboring cell of the current cell, the first and second base stations corresponding respectively to the current cell and the neighboring cell; and measuring mobility of the current cell based on a reference signal in a synchronization block of the current cell and the first reference signal according to the information of the first reference signal, and measuring mobility of the neighbor cell based on a reference signal in a synchronization block of the neighbor cell and the second reference signal according to the information of the second reference signal.

Abstract: A base station is disclosed, which is capable of appropriately configuring the timings of data assignment, data transmission and reception, and feedback for a case where the DL and UL sTTI lengths are different from each other. In this base station (100), a transmission section (106) transmits a downlink signal using a first short transmission time interval (sTTI) shortened in length than a TTI and used for downlink; and a reception section (107) receives an uplink signal using a second sTTI shortened in length than the TTI and used for uplink. When the first sTTI is shorter in length than the second sTTI, the reception section (107) receives the uplink signal in the second sTTI positioned after a predetermined interval from the transmission timing of the downlink signal, the predetermined interval being configured based on the length of the first sTTI.

Abstract: A wireless networking system is disclosed. The system includes a first wireless access point having a first coverage area. The first wireless access point includes a first wireless transceiver to access a wireless network and a second wireless transceiver coupled to the first wireless transceiver. A second wireless access point has a second coverage area. The second wireless access point includes a third wireless transceiver for establishing a wireless link with the second wireless transceiver, and a fourth wireless transceiver coupled to the third wireless transceiver to provide user access to the wireless link. User access to the wireless link accesses the wireless network via the second and first wireless transceivers.

Abstract: Provided is a gateway device capable of reducing power consumption in a sleep state and relaying an activation signal between networks without delay. When receiving an activation signal, the gateway device according to the present invention transfers the activation signal to another network via a relay switch, and outputs a signal indicating the reception of the activation signal from a transceiver, thereby turning on a microcomputer.

Abstract: The present invention relates to a method and apparatus for a transmission device to transmit a reference signal in a wireless communication system. Specifically, the method includes: a step for receiving the settings of a resource pool composed of uplink resources; and a step for mapping reference signals and data onto a specific uplink resource on the basis of the resource pool settings and N (where N is a natural number) antennas for the transmission device, and is characterized in that the reference signals are mapped to at least one resource element at a specific location on the specific uplink resource, and the data is mapped on the specific uplink resource excluding the at least one specific location to be mutually orthogonal on the basis of one resource axis among the time-frequency resources and so that the data is continuous depending on the number of antennas.

Abstract: Embodiments of a method and a device are disclosed. In an embodiment, a method for operating a wired communications device involves performing a bit mapping operation on an input bit stream to generate a mapped bit stream, performing a bit scrambling operation in response to the mapped bit stream to generate a scrambled bit stream, generating an encoded bit stream in response to the scrambled bit stream, and transmitting the encoded bit stream using the wired communications device.

Abstract: For example, an apparatus may include circuitry and logic configured to cause a wireless communication station (STA) to determine a plurality of uplink (UL) sounding groups of STAs; transmit at least one trigger frame to at least one UL sounding group of the plurality of UL sounding groups to trigger a measurement procedure with the UL sounding group, the trigger frame including one or more Identifiers (IDs) to identify one or more STAs of the UL sounding group; to receive one or more UL Null Data Packet (NDP) sounding frames from the one or more STAs of the UL sounding group in response to the trigger frame; to transmit a downlink (DL) NDP Announcement (NDP-A) frame to the plurality of UL sounding groups; and to transmit a DL NDP sounding frame to the plurality of UL sounding groups.

Abstract: Implementations are directed to determining an audio delay, of a computing device, by causing an audio data stream to be transmitted to the computing device via a wireless communication channel. The computing device causes audio output generated using the audio data stream to be rendered via speaker(s). The rendered audio output is captured via microphone(s), and the audio delay determined by comparing the captured audio output with the audio data stream. A delay audio segment can be appended to an additional audio data stream transmitted to the computing device, where the length of the delay audio segment is determined using the audio delay. A noise reduction technique can additionally or alternatively be adapted based on the audio delay. Implementations are additionally or alternatively directed to determining if an audio data stream transmitted to a computing device for rendering through speaker(s) driven by the computing device—is actually being rendered.

Abstract: A technique is provided for beamforming training, including: transmitting, by a network node, common control signaling via a plurality of beams periodically according to a predetermined beam sweeping pattern, and transmitting, via a set of one or more beams in each of one or more sequential time-domain resources, an aperiodic downlink sounding burst to at least one user device to allow the at least one user device to perform beamforming training.

Abstract: Systems and method for establishing a connection between a vehicle and a base station are provided. The base station sectors are divided into subsector respectively associated with a narrowbeam antenna. To determine the vehicle location without the use of a complementary network, the base station and the vehicle may associate each subsector with a respective set of radio access preamble sequences. Accordingly, the location of the vehicle can be determined based on the particular radio access preamble sequence included in the synchronization messaging. Additionally or alternatively, the base station may be configured to sequentially activate the narrowbeam antennas to detect a which narrowbeam is active when the vehicle responds to a message communicated over the narrowbeams.

Abstract: Aspects of the present disclosure provide techniques for variable spreading factor codes for non-orthogonal multiple access (NOMA). In an exemplary method, a base station assigns, from a first codebook of N short code sequences of length K, a subset of the short code sequences to a number of user equipments (UEs); receives a signal including uplink data or control signals from two or more of the UEs, wherein a first uplink data or control signal is sent using a first subsequence of one of the assigned short code sequences, and a second uplink data or control signal is sent using a second subsequence of one of the assigned short code sequences or using one of the assigned short code sequences; and decodes each uplink data or control signal in the signal based on the assigned short code sequences and subsequences of the assigned the short code sequences.

Abstract: Methods for the transmission of data in a cellular communications network. Resource sets are configured for a user equipment and subsequent indications may be provided that configured resource sets can be utilised for data transmission. Improved transmission of demodulation reference signals is also provided.

Abstract: Certain aspects of the present disclosure relate to techniques and apparatus for reducing collisions between CDRX and paging operations.

Abstract: A method of operating a digital radio receiver comprising: receiving a radio signal; passing said radio signal to a correlator for correlating said radio signal with a predetermined pattern to provide an output signal comprising a plurality of peaks separated in time; determining an amplitude of a first peak in the plurality of peaks; calculating a selection threshold based on said first peak amplitude; determining an amplitude of a second peak in the plurality of peaks; comparing said second peak amplitude to the selection threshold; and identifying the second peak as a correlation peak if the second peak amplitude is greater than the selection threshold.

Abstract: A system is described for distributing over the air (OTA) channels within buildings and homes. The system can implement one or more active multi-mode antennas for improved performance and reliability. The system can be configured as a mesh network where multiple nodes are distributed to improve the probability of channel capture across the VHF and UHF frequencies used for over the air TV distribution. A node consists of a beam steering antenna that operates at the VHF and UHF frequencies for TV signal reception, a receiver and demodulation circuit, a transcoder to convert the received information for re-distribution, and a transceiver capable of operation at a secondary frequency band for use in re-distributing the information to communication devices in proximity of the node.

Abstract: It is provided a method including setting a grant for an uplink transmission to zero if a received absolute grant is not intended for an apparatus performing the method.

Abstract: A method by a terminal, a method by a base station, a terminal, and a base station are provided. The method by the terminal includes receiving a first channel state information reference signal (CSI-RS) and a second CSI-RS from a base station; generating channel state information (CSI) based on both the first CSI-RS and the second CSI-RS; and reporting the CSI to the base station, wherein the CSI includes a rank indicator (RI) and a channel quality indicator (CQI).

Abstract: A signal transmitter and a signal receiver for interpreting a received message are provided. The receiver is configured to perform the steps of: decoding a first part of the message using a channel decoding scheme with a predefined set of decoding parameters to form a first data block; and subsequently decoding a second part of the message using the channel decoding scheme with decoding parameters that are at least partially dependent on the content of the first data block.

Abstract: Modulated signal A is transmitted from a first antenna, and modulated signal B is transmitted from a second antenna. As modulated signal B, modulated symbols S2(i) and S2(i+1) obtained from different data are transmitted at time i and time i+1 respectively. In contrast, as modulated signal A, modulated symbols S1(i) and S1(i)? obtained by changing the signal point arrangement of the same data are transmitted at time i and time i+1 respectively. As a result the reception quality can be changed intentionally at time i and time i+1, and therefore using the demodulation result of modulated signal A of a time when the reception quality is good enables both modulated signals A and B to be demodulated with good error rate performances.

Abstract: Methods and apparatuses are provided for transmitting uplink control information by a terminal in a wireless communication system. System information associated with an uplink transmission of a reference signal is received from a base station. Uplink control information to which a length-3 orthogonal sequence or a length-4 orthogonal sequence is applied is transmitted in a slot of a sub-frame. The reference signal is transmitted based on the received system information.

Abstract: A communications system may include a transmitter having spreading stages configured to spread a common modulated baseband input data stream based upon respective coefficient sequences; a plurality of upconverters, each having a different frequency; and an RF output stage that generates an RF output signal. A receiver may include an RF input stage that receives an RF input signal, a plurality of downconverters, a plurality of despreading stages, and a demodulator coupled to the despreading stages.

Abstract: A source wireless device sends an indication of support for one or more broadcast services that broadcasts information over a wireless local area network (WLAN).

Abstract: Methods and systems are described for receiving symbols of a codeword via wires of a multi-wire bus, the codeword representing an aggregate sum of a plurality of sub-channel constituent codewords, each sub-channel constituent codeword representing a weight applied to an associated sub-channel vector of a plurality of sub-channel vectors of an orthogonal matrix, generating a plurality of comparator outputs using a plurality of common-mode resistant multi-input comparators (MICs), each common-mode resistant MIC having a set of input coefficients representing a corresponding sub-channel vector of the plurality of sub-channel vectors, each sub-channel vector (i) mutually orthogonal and (ii) orthogonal to a common-mode sub-channel vector, outputting a set of forward-channel output bits formed based on the plurality of comparator outputs, obtaining a sequence of reverse-channel bits, and transmitting the sequence of reverse-channel bits by sequentially transmitting common-mode codewords over the wires of the multi-

Abstract: A precursor rejection filter is disclosed. A digital filter is coupled to receive packets from a data source. The filter may operate in one of a first mode or a second mode. In the first mode, the filter may receive communications packets. When operating in the second mode, the filter may receive sensing packets. Furthermore, when operating in the second mode, the filter may cause a precursor of the equivalent impulse response of the transmitter to be attenuated without attenuating the main lobe of the equivalent impulse response of the transmitter.

Abstract: A wake-up radio unit for a wireless communication device is disclosed, wherein the wireless communication device has a plurality of wireless communication receivers. The wake-up radio unit is adapted to wake up any of the plurality of wireless communication receivers by receiving a wake-up signal, selecting one or more of the plurality of wireless communication receivers based on the wake-up signal, and waking up the selected one or more wireless communication receiver. In some embodiments, wherein each of the plurality of wireless communication receivers is adapted to receive in accordance with respective standard, the wake-up signal may comprise a set of symbols selected from a collection of possible sets of symbols. Each such set of symbols may indicate, at least in part, one or more corresponding standards.

Abstract: Apparatus and methods for unified high-bandwidth, low-latency data services. In one embodiment, a network architecture having service delivery over at least portions of extant infrastructure (e.g., a hybrid fiber coaxial infrastructure) is disclosed, which includes standards-compliant ultra-low latency and high data rate services (e.g., 5G NR services) via a common service provider. In one variant, parallel MIMO data streams supported by 3GPP 5G NR are shifted in frequency before being injected into the single coaxial cable feeder, so that frequency diversity (instead of spatial diversity) is leveraged to achieve the maximum total carrier bandwidth that 3GPP 5G NR chipsets. Intermediate Frequencies (IF) are transmitted over the media in one implementation, (i.e., instead of higher frequencies), and block-conversion to RF carrier frequency is employed subsequently in the enhanced consumer premises equipment (CPEe) for 3GPP band-compliant interoperability with the 3GPP 5G NR chipset in the CPEe.

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. According to one embodiment, a method of operating a device includes: selecting a signal format from a plurality of signal formats, each of the plurality of signal formats corresponding to a respective coding and modulation scheme of a plurality of coding and modulation schemes; and sending a request for random access to a base station according to the selected signal format.

Abstract: Systems and methods described herein provide stateless network functions for a wireless core network. A network device in the wireless core network receives, from a network function instance in a set of network function instances, context information and state maintenance parameters for an end device. The state maintenance parameters include one or more timer values for the end device, and an action to be performed upon expiry of the one or more timer values. The network device stores the context information and the state maintenance parameters, and applies the state maintenance parameters to the context information for the end device. The network device performs the action when expiry of the one or more timer values is detected.

Abstract: Embodiments are provided for WLAN Orthogonal Frequency Division Multiple Access (OFDMA) design of subcarrier groups and corresponding frame format. An embodiment method includes grouping a plurality of subcarriers for OFDMA transmissions into a plurality of subcarrier groups in accordance with a pre-defined grouping structure for subcarriers. The method further includes allocating the subcarrier groups to a plurality of corresponding users, and signaling, to the users, a map of the subcarrier groups to the corresponding users. According to the pre-defined grouping structure, each one of the subcarrier groups includes a plurality of consecutive subcarriers, a plurality of non-consecutive subcarriers, or a combination of consecutive and non-consecutive subcarriers according to a deterministic structure.

Abstract: Methods and apparatus which allow a wireless terminal (302) to simultaneously maintain connections with multiple base stations (304, 306) are described. Each wireless terminal (302) is capable of supporting multiple separate timing and/or other control loops one, for each base station connection thereby allowing the connections to operate independently and in parallel. Different control signals and/or data are transmitted on each connection that is established with a base station (302, 306). In this manner base stations (302, 306) receive different data allowing for asynchronous data transmission. The data received by the base stations (302, 306) can be supplied to a wired asynchronous network (308) without the need to combine the received data prior to supplying it to the wired network (308). The communications techniques of the invention can be used to implement soft handoffs without the need to duplicate data transmissions to multiple base stations.

Abstract: Disclosed herein are system, apparatus, article of manufacture, method and/or computer program product embodiments, and/or combinations and sub-combinations thereof, for identifying audio characteristics of a room using a spread code. In some embodiments, a first electronic device receives a spread spectrum signal from a second electronic device over an audio data channel. The first electronic device determines a time of receipt of the spread spectrum signal based on despreading. The first electronic device calculates an airtime delay based on the time of receipt and a time of transmission of the spread spectrum signal. The first electronic device determines a direction of the second electronic device based on the spread spectrum signal and beam forming techniques. The first electronic device adjusts playback of audiovisual content at the second electronic device and a third electronic device for a location based on the airtime delay and the direction.

Abstract: Examples described herein include systems and methods which include wireless devices and systems with examples of full duplex compensation with a self-interference noise calculator. The self-interference noise calculator may be coupled to antennas of a wireless device and configured to generate adjusted signals that compensate self-interference. The self-interference noise calculator may include a network of processing elements configured to combine transmission signals into intermediate results according to input data and delayed versions of the intermediate results. Each set of intermediate results may be combined in the self-interference noise calculator to generate a corresponding adjusted signal. The adjusted signal is received by a corresponding wireless receiver to compensate for the self-interference noise generated b a wireless transmitter transmitting on the same, frequency band as the wireless receiver is receiving.

Abstract: Techniques are described for wireless communication. A first method includes measuring, by a first device, a condition of a wireless channel; and generating at least one channel side information feedback message based on the measured condition of the wireless channel. The at least one channel side information feedback message provides information on a relationship of a set of parameters, including a data rate parameter, an error probability parameter, and at least one of a deadline parameter or a transmission link parameter. A second method includes measuring, by a first device, interference on a wireless channel; identifying an interfering device for the wireless channel based on the measurement; and generating a channel side information feedback message based on the measured interference on the wireless channel. The channel side information feedback message indicates the interfering device for the wireless channel and a correlation of interference from the interfering device with time or frequency.

Abstract: This disclosure provides methods, apparatuses, wireless nodes, and computer-readable mediums for wireless communications. In one aspect, a method is provide for a Barker-modulated waveform with constant envelope for a wireless local area network (WLAN) signal. A method that may be performed by a transmitter device includes generating a Barker-modulated signal having a constant envelope and transmitting the Barker-modulated signal in a WLAN.

Abstract: A touchscreen display device includes a display panel, a touch sensor, and a touch circuit. The touch sensor is disposed in an area corresponding to the display panel to output an uplink signal including signal intensity information regarding an intensity of a downlink signal output from an active pen. The touch circuit controls the touch sensor to output the uplink signal.

Abstract: A wireless communication terminal apparatus wherein CoMP communication can normally be performed without increasing the overhead of an upstream line control channel. In this apparatus, a spreading unit primarily spreads a response signal by use of a ZAC sequence established by a control unit. A spreading unit secondarily spreads the response signal, to which CP has been added, by use of a block-wise spread code sequence established by the control unit. The control unit controls, in accordance with sequence numbers and a hopping pattern established therein, the circular shift amount of the ZAC sequence to be used for the primary spread in the spreading unit and the block-wise spread code sequence to be used for the secondary spread in the spreading unit. The hopping pattern established in the control unit is a hopping pattern common to a plurality of base stations that CoMP-receive the response signal.

Abstract: First user equipment transmits information identifying first interfaces supported by the first user equipment and first channel capacities associated with the first interfaces. The first user equipment receives information identifying a subset of the first interfaces. The subset is selected based on the first channel capacities and second channel capacities of second interfaces associated with at least one second user equipment. The first user equipment is then configured to aggregate the subset of the first interfaces. A policy server selects a subset of first interfaces supported by a first user equipment based on information indicating first channel capacities of the first interfaces and second channel capacities of second interfaces associated with at least one second user equipment. The policy server transmits instructions to the first user equipment to aggregate the subset.

Abstract: The invention aims to perform UL transmission in an appropriate manner even when using short transmission time intervals (TTIs). A user terminal includes a transmission section that performs the UL transmission using at least one of a plurality of TTIs contained in one subframe of existing systems, and a control section that controls allocation of an UL signal and/or an UL channel. The TTI is constituted of an even number of symbols of the existing system. The control section allocates an uplink control channel on the basis of the TTI.

Abstract: A base station and terminal use methods of obtaining synchronization and system information in a wireless communication system. An operation of a base station includes generating a synchronization signal to be transmitted through a Synchronization Channel (SCH), generating a broadcast signal to be transmitted through a Broadcast Channel (BCH), and transmitting repetitively the SCH and the BCH by performing beamforming on the channels with different transmission beams.

Abstract: A CSI-RS transmission method and a network device are provided, to resolve a technical problem that very large pilot resource overheads are occupied for sending CSI-RSs, and reduce pilot transmission resources occupied for sending CSI-RSs, to reduce pilot transmission overheads. The method includes: determining, by a network device, that at least two of M quantities of antenna ports respectively used by M radio remote units RRUs for sending a CSI-RS to same user equipment are not equal, and instructing the M RRUs to send P CSI-RSs on N resource elements, where at least one of the N resource elements carries content of at least two of the P CSI-RSs, the P CSI-RSs are CSI-RSs respectively sent by P RRUs in the M RRUs, M is an integer greater than or equal to 2, P is an integer less than or equal to M, and N is a positive integer.

Abstract: Disclosed are a method and apparatus for grouping vehicles in Internet of Vehicles. The method comprises: a designated vehicle within a coverage area of a road-side unit (RSU) satisfying a preset condition receives first indication information of the RSU, the first indication information being set for indicating the designated vehicle to be a vehicle having a management permission to manage a vehicle group to which the designated vehicle pertains; or designated vehicles outside the coverage area of the RSU satisfying a preset condition negotiate to decide a final designated vehicle; the designated vehicle periodically broadcasts a first message set for performing vehicle grouping to the vehicles within the coverage of the RSU and/or outside the coverage of the RSU; the designated vehicle receives a second message in response to the first message; and the designated vehicle groups vehicles that send the second message to a vehicle group.

Abstract: A control message is indicative of a timing parameter of a slotted transmission (500) comprising active slots (501) and inactive slots (502). At least one repetition (351) of data (401) is transmitted in an active slot on a wireless link.

Abstract: Encoding of information bit sequences by use of an encoding device having more than two encoding entities is provided. Decoding of output codewords by a decoding device having more than two decoding entities is further provided. The encoding and the decoding are implemented through transmitting output codewords, generated by the encoding device, to the decoding device via a channel, wherein two or more user devices transmit the respective output codewords concurrently via the channel.

Abstract: A wireless communications system may establish radio bearers for certain data transmissions between a user equipment (UE) and a base station. A radio bearer may be associated with one or more quality of services (QoS) parameters, such as a bit rate. The base station may indicate to the UE a time window over which to average the bit rate. A radio bearer may include multiple data flows. The base station may provide information regarding QoS parameters for each data flow in control signaling, such as a grant.

Abstract: A distributed antenna system includes a host unit communicatively coupled to a first service provider interface which receives a first signal from the first service provider interface; and a first remote antenna unit communicatively coupled to the host unit, the first remote antenna unit having a first antenna. A base station to which the distributed antenna system is communicatively coupled is configured with a subscriber access timing window having a minimum allowed delay and a maximum allowed delay. The distributed antenna system is configured so that a first total delay between the host unit and the first remote antenna unit is equal to or greater than the minimum allowed delay. The first antenna of the first remote antenna unit is configured to communicate the first signal to a first subscriber unit.