Essence We.R Podręcznik Użytkownika Pobierz pdf (Strona 22)

System Theory

WeR@Home

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System User Guide

2.3.1 Enhanced Controlled Open Protocol

The WeR@Home

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products intercommunicate with the Central Control Unit (CCU) within the HAN (Home

Area Network) using Essence proprietary Enhanced Controlled Open Protocol (ECOP) protocol. The

WeR@Home

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CCU serves as the gateway between the HAN and the GSM/GPRS or Internet network.

n Between home sensors and home control units (ECOP-R).

n For external networks (control unit to the world).

n ECOP-X – The XML representation of the ECOP protocol.

Several types of clients (Web Server, iPhone, Windows Mobile, etc.) parse the ECOP protocol.

The ECOP-N protocol is serialized to a standard XML and is transferred to any kind of client (a distinct ECOP-

N protocol parser is not needed for each kind of client).

For details of the RF implementation of the ECOP protocol, please refer to paragraph 2.3.2. below.

2.3.2 WeR@Home

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RF Technology

2.3.2.1 Radio Interface Information

The WeR@Home

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system works in a star topology where the Central Control Unit acts as the coordinator,

controlling all other sensors and peripherals.

License-free Band Disturbance

Data is sent over the air utilizing the WeR@Home

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proprietary RF protocol (ECOP) in IEEE 802.15.4 standard

based on the 2.4 GHz ISM band.

n Gateway (GW) uses a band pass filter for out-of-band noise suppression.

n In-band noise is compliant with EN-300-440.

n Inter-systems disturbance – each system uses a specific, 32bits, system identifier and filters non-

conforming packets.

Power and Sensitivity

WeR@Home

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systems transmit with maximum allowed power according to standard EN 300 –440 (Europe),

FCC CFR47 Part 15.

Pending the device, power and sensitivity are divided into two (2) main categories:

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Essence We.R Podręcznik Użytkownika Strona 22