Kerlink Wirnet iBTS Installation And Maintenance Manual page 58

Note: RF1 stands for RF path 1, RF2 stands for RF path 2.
1.5.4.3 LoRa LOC modem characteristics
The mains characteristics of the LoRa-LOC modem are detailed in the following table:
Feature
LoRa demodulator
(x2)
Geolocalization
Ready
Transceiver
Classification
Internal Use
Confidential
Strict confidential
Description
Based on SX1301 digital signal processing engine from Semtech
True antenna diversity or simultaneous dual-band operation
10 programmable parallel receive paths
Emulates 49 x LORA demodulators and 1 x (G)FSK demodulator per
SX1301:
 8 x LoRa demodulator at dynamic data rate with 125KHz BW
 1 x LoRa demodulator at fixed data rate
 1 x (G) FSK demodulator
Dynamic data-rate (DDR) adaptation
Detect simultaneously 8 preambles corresponding to all data rates
(Spreading Factor) at LoRa 125KHz BW
2 MHz baseband BW
FSK or LORA modulator
Outdoor and indoor environments
Synchronization with GPS PPS clock
Combines RSSI and TDOA measurements
Accuracy < 50m (90% confidence, high density coverage)
Based on Analog Devices AD9361/AD9363
70MHz to 6000MHz / 325MHz to 3800MHz frequency range
200 kHz to 56 MHz / 200 kHz to 20 MHz channel BW
Integrated fractional-N synthesizers
2 × 2 transceiver with integrated 12-bit DACs and ADCs
-
Dual transmitters: 4 differential outputs
-
Dual receivers: 6 differential or 12 single-ended inputs
Highly linear broadband transmitter
+8dBm typ. output power
90dB output power control range
164dBc/Hz Signal to Noise performance at 90MHz offset
Receiver Noise Figure of 2 dB
+40dBm IIP2 at max gain
-18dBm IIP3 at max gain
Independent automatic gain control
DC offset correction, quadrature correction and digital filtering
Very low LO leakage
This document is the strict property of Kerlink and shall not be either copied nor sent without express
Kerlink – 1 rue Jacqueline Auriol – 35235 THORIGNÉ-FOUILLARD
Wirnet iBTS
written authorization of Kerlink
Kerlink m2m technologies reserved rights
Document title : Installation and
Maintenance Manual
Version : 2.0
Author : SNI
Date : 04/12/2018
Page 58 / 221