Abstract: A system and corresponding method for use in determining location of a mobile unit are described. The method comprises transmitting at least one beacon signal from an antenna array formed by an array of antenna elements located in a predetermined position and having predetermined boresight facing and receiving said at least one beacon signal by the mobile unit and using a processor for determining location of said mobile unit with respect to said predetermined position. The array of antenna elements comprises an arrangement of a plurality of antenna elements with predetermined arrangement configured such that each antenna element transmits signal portion having orthogonal signal portions with respect to other antenna elements of the array. Processing at the mobile unit utilizes variations in wireless channel states of signal portions received from the different antenna elements of the array for determining at least angular position of said mobile unit with respect to said boresight of said antenna array.

Abstract: There is provided a mitigation module for mitigating interference complementing a receiver of a wireless network, comprising: at least one processor executing a code for: obtaining digital baseband signals received by a plurality of reception sources, matching at least a portion of a signature signal to at least a portion of the baseband signals, the signature signal indicative of a presence of interference signals originating from at least one external interference source, calculating a plurality of mitigation weights for at least the portion of the baseband signal corresponding to the matched at least portion of the signature signal, performing an interference mitigation process on the digital baseband signals received from the plurality of reception sources using the plurality of mitigation weights to generate clean digital baseband signals, and providing the clean digital baseband signals to a receiver of the wireless network.

Abstract: There is provided a mitigation module for mitigating interference complementing a receiver of a wireless network, comprising: at least one processor executing a code for: obtaining digital baseband signals received by a plurality of reception sources, matching at least a portion of a signature signal to at least a portion of the baseband signals, the signature signal indicative of a presence of interference signals originating from at least one external interference source, calculating a plurality of mitigation weights for at least the portion of the baseband signal corresponding to the matched at least portion of the signature signal, performing an interference mitigation process on the digital baseband signals received from the plurality of reception sources using the plurality of mitigation weights to generate clean digital baseband signals, and providing the clean digital baseband signals to a receiver of the wireless network.

Abstract: There is provided a passive intermodulation (PIM) mitigation module for mitigating PIM within a receiver of a wireless network, the PIM mitigation module comprising: at least one processor executing a code for: receiving transmit signals transmitted by at least one transmission source, receiving received signals received by at least one reception source, computing a plurality of synthetic PIM signals from the transmit signals, wherein each of the plurality of synthetic PIM signals is a respective combination of a plurality of frequency components of the transmit signals, computing a plurality of mitigation weights for mitigating the plurality of synthetic PIM signals, and performing a PIM mitigation process on the received signal with the plurality of mitigation weights to generate clean signals to provide to the receiver.

Abstract: There is provided a passive intermodulation (PIM) mitigation module for mitigating PIM within a receiver of a wireless network, the PIM mitigation module comprising: at least one processor executing a code for: receiving transmit signals transmitted by at least one transmission source, receiving received signals received by at least one reception source, computing a plurality of synthetic PIM signals from the transmit signals, wherein each of the plurality of synthetic PIM signals is a respective combination of a plurality of frequency components of the transmit signals, computing a plurality of mitigation weights for mitigating the plurality of synthetic PIM signals, and performing a PIM mitigation process on the received signal with the plurality of mitigation weights to generate clean signals to provide to the receiver.

Abstract: There is provided a passive intermodulation (PIM) mitigation module for mitigating PIM within a receiver of a wireless network, the PIM mitigation module comprising: at least one processor executing a code for: receiving transmit signals transmitted by at least one transmission source, receiving received signals received by at least one reception source, computing a plurality of synthetic PIM signals from the transmit signals, wherein each of the plurality of synthetic PIM signals is a respective combination of a plurality of frequency components of the transmit signals, computing a plurality of mitigation weights for mitigating the plurality of synthetic PIM signals, and performing a PIM mitigation process on the received signal with the plurality of mitigation weights to generate clean signals to provide to the receiver.

Abstract: There is provided systems and methods for mitigating foreign interference by complementing a receiver of a wireless network, comprising: using antennas for reception of desired signals and interference signals; determining the presence of an interference signal originating from at least one foreign transmitting source in the received signals, and for determining a termination of the interference signal; determining the presence of a desired signal originating from the wireless communication network in the received signals; calculating a suitable combination of the received signals, wherein the effect induced by the interference signal is reduced and the impact of an interference cancellation on the desired signals is reduced; and providing the suitable combination to a receiver of a wireless communication network; wherein the method is performed complementary to the receiver of the wireless network and the antennas.

Abstract: There is provided systems and methods for mitigating foreign interference by complementing a receiver of a wireless network, comprising: using antennas for reception of desired signals and interference signals; determining the presence of an interference signal originating from at least one foreign transmitting source in the received signals, and for determining a termination of the interference signal; determining the presence of a desired signal originating from the wireless communication network in the received signals; calculating a suitable combination of the received signals, wherein the effect induced by the interference signal is reduced and the impact of an interference cancellation on the desired signals is reduced; and providing the suitable combination to a receiver of a wireless communication network; wherein the method is performed complementary to the receiver of the wireless network and the antennas.

Abstract: There is provided systems and methods for mitigating foreign interference by complementing a receiver of a wireless network, comprising: using antennas for reception of desired signals and interference signals; determining the presence of an interference signal originating from at least one foreign transmitting source in the received signals, and for determining a termination of the interference signal; determining the presence of a desired signal originating from the wireless communication network in the received signals; calculating a suitable combination of the received signals, wherein the effect induced by the interference signal is reduced and the impact of an interference cancellation on the desired signals is reduced; and providing the suitable combination to a receiver of a wireless communication network; wherein the method is performed complementary to the receiver of the wireless network and the antennas.

Abstract: There is provided systems and methods for mitigating foreign interference by complementing a receiver of a wireless network, comprising: using antennas for reception of desired signals and interference signals; determining the presence of an interference signal originating from at least one foreign transmitting source in the received signals, and for determining a termination of the interference signal; determining the presence of a desired signal originating from the wireless communication network in the received signals; calculating a suitable combination of the received signals, wherein the effect induced by the interference signal is reduced and the impact of an interference cancellation on the desired signals is reduced; and providing the suitable combination to a receiver of a wireless communication network; wherein the method is performed complementary to the receiver of the wireless network and the antennas.

Abstract: A computer-implemented method for calculating interference reducing parameters for cancelling wireless signal interference within a data communication network, comprising: per each of a plurality of antennas of a multi-sector hub communicating with a data communication network and with a corresponding transceiver of a plurality of distant transceivers: calculating a plurality of calibration factors based on values extracted from sequential transmission and reception of predetermined signals between each of the plurality of antennas of the multi-sector hub; calculating at least one receive interference cancellation parameter, to isolate desired signals transmitted by the corresponding distant transceiver from the undesired interference signals transmitted by other non-corresponding distant transceivers; calculating at least one transmit interference parameter for each non-corresponding antenna of the hub, based on the calculated receive interference cancellation parameters and the calibration factors; and gene

Abstract: The present invention, in some embodiments thereof, relates to a method of cancelling interference in a wireless system, wherein the interference introduced by an interfering signal causing reception of an interfered signal responsive to transmission of a desired signal, the method comprising acquiring the interfering signal from a transmitter during or before transmission thereof, generating an analog cancellation signal based on the acquired interfering signal, and injecting said analog cancellation signal into an interfered receiver receiving said interfered signal to reduce said interference therefrom.

Abstract: A computer-implemented method for calculating interference reducing parameters for cancelling wireless signal interference within a data communication network, comprising: per each of a plurality of antennas of a multi-sector hub communicating with a data communication network and with a corresponding transceiver of a plurality of distant transceivers: calculating a plurality of calibration factors based on values extracted from sequential transmission and reception of predetermined signals between each of the plurality of antennas of the multi-sector hub; calculating at least one receive interference cancellation parameter, to isolate desired signals transmitted by the corresponding distant transceiver from the undesired interference signals transmitted by other non-corresponding distant transceivers; calculating at least one transmit interference parameter for each non-corresponding antenna of the hub, based on the calculated receive interference cancellation parameters and the calibration factors; and gene

Abstract: The present invention, in some embodiments thereof, relates to a method of cancelling interference in a wireless system, wherein the interference introduced by an interfering signal causing reception of an interfered signal responsive to transmission of a desired signal, the method comprising acquiring the interfering signal from a transmitter during or before transmission thereof, generating an analog cancellation signal based on the acquired interfering signal, and injecting said analog cancellation signal into an interfered receiver receiving said interfered signal to reduce said interference therefrom.

Abstract: A method of communicating in a cellular network including a multi-sector point to multipoint base station, having a plurality of antennas covering primarily non-overlapping zones. The method includes allocating bandwidth to a subscriber station in each of the zones, which bandwidth is on a single channel, such that if the subscribers were adjacent each other their transmissions on the allocated bandwidth would interfere with each other, transmitting signals from the subscribers to the base station through the antennas of the respective zones in which they are located, on the allocated bandwidth and processing the signals from each of the subscribers so as to cancel interference from others of the subscribers in interpreting the signals by the base station.

Abstract: An adaptive polarization diversity system for radio link communication. The system includes a base station antenna for transmitting either a clockwise polarized transmission or a counterclockwise polarized transmission, the transmission including a training pilot signal. The system further includes at least one subscriber unit for receiving the transmission, the unit including a first subscriber unit antenna for receiving a clockwise polarized transmission, a second subscriber unit antenna for receiving a counter-clockwise polarized transmission, and a dual channel receiver for adaptively combining the clockwise polarized transmission with the counterclockwise polarized transmission in proportion to first and second weights, respectively, the dual channel receiver determining the first and second weights so as to substantially optimally receive the training pilot signal.