Abstract: Disclosed are example embodiments of systems and methods for hybrid automatic repeat request (HARQ). An example method includes performing a first HARQ compression to reduce a number of HARQ bits, the HARQ compression comprising one of a unified HARQ compression and a block-wise HARQ compression. Optionally, the example method further includes performing a second HARQ compression to further reduce the number of HARQ bits to a compressed number of HARQ bits. One of the first HARQ compression and the second HARQ compression include the unified HARQ compression and another of the first HARQ compression and the second HARQ compression comprising the block-wise HARQ compression. The example method also includes saving the compressed HARQ data to a DDR storage.

Abstract: The present disclosure relates to a method for installation of a phased array antenna receiving a signal, the method comprising: determining that a higher directivity of the phased array antenna is achievable; determining an orientation of the phased array antenna at which the higher directivity is achievable; and providing instructions for adjusting the orientation of the phased array antenna from an initial orientation to the determined orientation.

Abstract: Disclosed herein is a phased array antenna system that includes: a first array of antenna elements having a first and second antenna element; a second array of antenna elements having a third and fourth antenna element; a beamforming integrated circuit (IC) coupled to the first and second arrays; and a set of transmission lines coupling the beamforming IC to the first and second arrays. The first and second arrays are parallel to and facing in opposite directions of each other. The set of transmission lines is configured to delay radio frequency (RF) signals from the beamforming IC to first and third antenna elements.

Abstract: Disclosed herein is a phased array antenna system that includes: a first array of antenna elements having a first and second antenna element; a second array of antenna elements having a third and fourth antenna element; a beamforming integrated circuit (IC) coupled to the first and second arrays; and a set of transmission lines coupling the beamforming IC to the first and second arrays. The first and second arrays are parallel to and facing in opposite directions of each other. The set of transmission lines is configured to delay radio frequency (RF) signals from the beamforming IC to first and third antenna elements.

Abstract: Disclosed are example embodiments of methods and systems for calibrating the second and third order intermodulation intercept points of a radio transceiver. The calibration circuit comprises: a common mode voltage (VCM) calibration circuit having a complementary to absolute temperature (CTAT) voltage node coupled to one or more VCM nodes of the radio transceiver, wherein the VCM calibration circuit is configured to adjust the CTAT voltage to reduce a third-order intermodulation (IM3) at an output of the radio transceiver; and a bulk terminal calibration circuit configured to bias one of a VBP and VBN voltages at one or more bulk terminals of one or more transistors of the RF circuit to reduce a second-order intermodulation (IM2).

Abstract: Embodiments described herein relate to a method of selecting a cell for communication over a network, the method comprising: determining a round trip delay (RTD) measurement from a device to each of a plurality of base stations, each of the plurality of base stations being in a respective one of a plurality of cells; ranking the plurality of cells based at least in part on the RTD measurements; selecting the highest-ranked cell; and initiating attachment to the selected cell.

Abstract: A method of dynamically changing the list size of a successive cancellation list (SCL) decoder, the SCL decoder arranged to decode data received from a wireless communications system, the method comprising at each successive cancellation stage of the SCL decoder, determining a path metric of each path of the SCL decoder, selecting a differential path metric threshold, and dynamically changing the list size of the SCL decoder based on the differential path metric threshold and the path metric of each path of the cancellation stage, such that decoding sensitivity of the decoder is maintained and/or latency and error-correction performance of the decoder are balanced.

Abstract: A method of transmission for increasing communication channel capacity comprising superposing a first signal on a portion of a second signal to form a combined signal, wherein the first signal comprises a repetition coded signal, and transmitting the combined signal. Also disclosed is a method of receiving a combined signal for increasing communication channel capacity comprising performing threshold detection on the combined signal wherein the combined signal comprises a first signal comprising a repetition coded signal superposed on a portion of a second signal and the threshold detection enables derivation of the second signal and the first signal prior to repetition coding.

Abstract: A method of providing position assistance to a UE, the method comprising providing, by a location server, at least one unsolicited message, each message comprising one of data selected from a list comprising GNSS ephemeris assistance data, GNSS acquisition assistance data, OTDOA assistance data and eNB position data for a predefined area.

Abstract: A method of spatially multiplexing data comprising a signal vector, the method comprising selecting first and second modulation schemes for the data transmission wherein the second modulation scheme is an interpolation in the plane of the first modulation scheme; and further wherein the modulation schemes are selected so as to maintain the same minimum Euclidean distance between vectors comprising the first and second modulation schemes as the minimum Euclidean distance within the first and second modulation schemes; and selecting a plurality of antennae, each of the plurality to concurrently transmit respective symbols of the signal vector.

Abstract: A computer implemented method for providing OTDOA timing information comprising defining an FFT window pair for estimating a value of reference signal time difference “RSTD” for at least one base station and a reference cell, receiving a PRS from the at least one base station and the reference cell, executing an FFT per OFDM symbol of the PRS for each FFT window of the FFT window pair, obtaining a first FFT output vector per OFDM symbol of each FFT window, for each first output vector, descrambling tones corresponding to the known position of the PRS, wherein all other tones are set to zero, combining vectors based on respective first FFT output vectors, executing an iFFT to convert to the time domain; and calculating an estimated value of reference signal time difference “RSTD” for the at least one base station and the reference cell.

Abstract: A method of providing a power supply of an amplifier of a wireless transmission system comprising, determining the power at an antenna when transmitting a signal to be transmitted by the amplifier, determining the modulation scheme for transmitting the signal, determining the frequency allocation of the signal to be transmitted, determining a transmit channel characteristic, and adjusting a parameter of the power supply of the amplifier based on the determining steps to maintain amplifier linearity.

Abstract: A method of transmitting data comprising choosing a transmit modulation scheme of the transmission, choosing a transmit parameter of the transmission, transmitting the data stream according to the chosen transmit modulation and transmit parameter such that data of the data stream is transmitted by the modulation scheme and the choice of transmit parameter.

Abstract: An apparatus and method for reducing unwanted spectral emissions of a complex signal to be transmitted comprising calculating the nth power of the complex signal to be transmitted, calculating the complex conjugate of the nth power of the complex signal to be transmitted, applying a scaling factor to the complex conjugate to form a scaled correction signal, and adding the scaled correction signal to the signal to be transmitted.

Abstract: A switching circuit is linearized by using a capacitor to apply a drive voltage to an FET, wherein the drive voltage is independent of the signal switched by the switching circuit.

Abstract: A method for calibrating signal transmission equipment. The equipment includes at least two signal transmission subsystems, a first subsystem implementing a first signal transmission technology and a second subsystem implementing a second signal transmission technology. The method includes transmitting, by the first subsystem, a signal at a predetermined transmission power; measuring, by the second subsystem, an amount of noise perceived on at least one channel associated with the second subsystem; and recording, in a data structure, the amount of noise for the at least one associated channel.

Abstract: An arrangement is described in which phase parity or phase opposition between two signals can be determined, and if necessary remedial action may be taken.

Abstract: A method and a system for the fractional reuse of frequencies in a wireless network. The method includes the following steps: obtaining at least one PHY based index defining a preferred allocation of a mobile station among at least two frequency reuse zones in a cell of said communication network; and scheduling bursts of packets to transmit to the mobile station, by at least one frequency reuse zone among the at least two frequency reuse zones, in view of transmission requests and the at least one PHY based index.

Abstract: A method and apparatus are provided for cancelling interferences of a received MIMO RF signal. The method includes: receiving a signal y; an initial step of obtaining, from the received signal y, at least one data representative of the received signal, called decoded data; computing the decoded data as a function of at least one predetermined criterion, delivering feedback data and a feedback decision; and, as a function of the feedback decision, at least one iteration of the following steps: constructing a set of feedback symbols from the feedback data; obtaining, from the set of feedback symbols, at least one data representative of a feedback decoded signal, called feedback decoded data; computing the at least one feedback decoded data as a function of the at least one predetermined criterion, delivering the feedback data.

Abstract: A method and apparatus for estimating a transmission channel in a receiver of an OFDMA signal formed by a plurality of carriers modulated by data elements and distributed in the time-frequency domain in successive symbols, the plurality of carriers including pilot carriers, modulated by reference data elements known by receivers. The method includes: receiving a signal comprising a series of n symbols covering at least one resource block; making an initial channel estimation by identifying the pilot carriers included in the series of n symbols; determining diagonal entries of p frequency domain channel matrices G(x) for estimating the channel for at least x symbols among the n symbols, the x symbols being pilot symbols; determining, in the frequency domain, at least some non diagonal entries for each frequency domain channel matrix G of the n symbols from the determined diagonal entries of the x frequency domain channel matrices G(x).