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Low Power Consumption Wide Area IoT Moduleare Used in Multi Hop Mesh Topology
Feb 05, 2021


ZETA Wireless Narrowband IoT Technology


After the ZETA network is re-adjusted, it not only supports the typical star topology, but also supports Low Power Consumption Wide Area IoT Module to access through network element Mote. A tree-like multi-hop topology called "Mesh Access" is formed between the Motes, and the Mote is then connected to the AP. Compared with other LPWAN solutions, this networking method has the following advantages:

• In the signal blind area that cannot be covered by the AP, it can be easily covered by network element Mote.

• Network element Mote can extend the signal reach when only a few terminal devices need to connect to the network at a long distance.

• All traffic connected to the AP is shunted, reducing the probability of collisions and increasing network capacity.

• Network element Mote is a low-power device like the terminal, with a battery life of 3-5 years.


ZETA Alliance Wireless IoT Module


Star topology

The Mesh Access layer is optional. When the communication environment is good or the communication distance requirement is low,

After removing the Mesh Access layer, the wireless network becomes a star topology.


Single-hop mesh topology

When the communication environment is not ideal, network element Mote needs to be supplemented at a suitable location to realize communication, forming a single-hop mesh topology.


Multi-hop mesh topology

A multi-hop connection can be formed between Motes to cope with a harsher communication environment or to achieve longer-distance communication, forming a multi-hop topology.


Air interface resources are limited. Regardless of the communication protocol, it needs to balance bandwidth, speed, power consumption, channel utilization, data delay, capacity, cost, etc. Different scenarios require different communication protocols. Currently, four sets of protocols are introduced , Basically covering the typical vertical application scenarios of low-power wide-area IoT.


P protocols:

Low latency and low business traffic, mainly for local area networking.


G protocols:

Periodic report, no down, suitable for asset tracking, warehouse inventory.


S protocols:

Time-frequency resource multiplexing is adopted to reduce the probability of conflicts. It is suitable for large business traffic and is mainly for metropolitan area networking.


Lite protocols:

Designed specifically for lighting Internet of Things, with low latency from downstream to network element mote, including features such as inspection, heterogeneous networking, and asymmetric upstream and downstream.


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