公开(公告)号：US20220239332A1

公开(公告)日：2022-07-28

申请号：US17720890

申请日：2022-04-14

Applicant: Elbit Systems Land and C4I Ltd

Inventor： Anatoly Sloushch ,  Ezra Zamir

IPC: H04B1/719 ,  H04B1/717 ,  H04B1/7176 ,  H04B1/7163

Abstract: An impulse radio (IR) ultra-wide band (UWB) transceiver adapted for a rake receiver is provided herein. This may be implemented as follows: on the transmitter side, the input data is converted to N-parallel streams having different delays, each stream is transmitted by an impulse radio signal with defined different carrier frequency. On the receiver side, the multicarrier RF signal is converted into base band signal, emulating multipath channels, so that rake receiver technique is used for an optimal demodulation of the received signal.

公开(公告)号：US10693419B2

公开(公告)日：2020-06-23

申请号：US15772064

申请日：2017-07-26

Applicant: Elbit Systems Land and C4I Ltd.

Inventor： Anatoly Sloushch ,  Yitzhak Botvin ,  Ezra Zamir

IPC: H03F3/191 ,  H03F1/02 ,  H04B1/00 ,  H03F3/21 ,  H03F3/189 ,  H03F3/195 ,  H03F3/213 ,  H03F3/60

Abstract: Power amplification units and methods are provided, which use a combiner and an auxiliary signal to feed the power amplifier (PA) with a signal that prevents or reduces operation of higher amplification stages during off periods of the received RF signal. The PA output is delivered through an output matching circuit configured to pass the RF signal and attenuate the auxiliary signal; and the combiner combines the RF signal and the auxiliary signal through respective filters to generate the RF input signal to the PA. An auxiliary signal generator may be configured to generate the auxiliary signal with relation to the RF signal as having a frequency spectrum lower than a cutoff RF frequency. Resulting lower power consumption, particularly in case of low duty cycle RF signals, reduces heating, enables longer battery use and increases reliability performance.

公开(公告)号：US11515908B2

公开(公告)日：2022-11-29

申请号：US17720890

申请日：2022-04-14

Applicant: Elbit Systems Land and C4I Ltd

Inventor： Anatoly Sloushch ,  Ezra Zamir

IPC: H04B1/69 ,  H04B1/719 ,  H04B1/7163 ,  H04B1/7176 ,  H04B1/717

Abstract: An impulse radio (IR) ultra-wide band (UWB) transceiver adapted for a rake receiver is provided herein. This may be implemented as follows: on the transmitter side, the input data is converted to N-parallel streams having different delays, each stream is transmitted by an impulse radio signal with defined different carrier frequency. On the receiver side, the multicarrier RF signal is converted into base band signal, emulating multipath channels, so that rake receiver technique is used for an optimal demodulation of the received signal.