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LOCTRX

更新时间： 2024-11-09 05:42:27

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High Performance RF Transceiver Enabling Location Awareness

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nanoLOC TRX

High Performance RF Transceiver

Enabling Location Awareness

Highly Integrated Solution with Ranging

Key Features

The nanoLOC TRX Transceiver is a highly integrated mixed

signal chip utilizing Nanotron’s unique wireless communica-

tion technology CSS (Chirp Spread Spectrum).

Single chip 2.4 GHz RF Transceiver operating in the

worldwide ISM Band

Integrated MAC controller with FEC and CRC checking

Automatic retransmission and acknowledgement, as

well as automatic address matching

With its unique ranging capability, nanoLOC can measure

the link distance between two nodes. Thus, nanoLOC sup-

ports location-aware applications including Location Based

Services (LBS), enhanced RFID, as well as asset tracking

(2D/3D RTLS). As ranging is performed during regular data

communication, additional infrastructure, power, and/or

bandwidth is not required.

Few external components required

Link distance estimation with built-in ranging capability

High precision ranging.. 2 m indoors / 1 m outdoors

Low current consumption:

Current consumption RX starts at .................33 mA

Current consumption TX.................30 mA @ 0dBm

Standby current with active RTC ...................1.2 µA

Low supply voltage.................................2.3 – 2.7 V

Improved Coexistence Performance

nanoLOC supports a freely adjustable center frequency with

3 non-overlapping frequency channels. This provides sup-

port for multiple physically independent networks and im-

proved coexistence performance with existing 2.4 GHz

wireless technologies.

Modulation ................... Chirp Spread Spectrum (CSS)

Media Access Techniques

FDMA .........................3 non-overlapping channels

CSMA/CA

TDMA

Data rates are selectable from 2 Mbps to 125 kbps. Due to

the chip’s unique chirp pulse, adjustment of the antenna is

not critical. This significantly simplifies the system’s installa-

tion and maintenance (“pick and place”).

Programmable data rates..............2 Mbps to 125 kbps

Clock available for external µC ..................32.768kHz

Integrated fast SPI interface .......................... 32 Mbps

Programmable output power............ -33 dBm – 0 dBm

External power amplifier supported

A sophisticated MAC controller with CSMA/CA and TDMA

support is included, as is Forward Error Correction (FEC)

and 128 bit hardware encryption. To minimize software and

microcontroller requirements, nanoLOC also provides

scrambling, automatic address matching, and packet

retransmission.

Receiver sensitivity ................................up to -97 dBm

RSSI sensitivity...............................................-95 dBm

In-band C/I ..............3 dB @ 250 kbps & C = -80 dBm

Industrial temperature range..............-40 °C to +85 °C

Preliminary Product Information. Subject to change without notice.

NA-06-S-0014-E-1.02

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