# Demo Abstract: CDMA-based IoT Services with Shared Band Operation of LTE in 5G

## TL;DR

This paper presents a CDMA-based IoT communication system integrated with LTE in 5G, designed to meet low-latency, low-power, and low-overhead requirements for massive IoT deployments, demonstrated via SDR implementation.

## Contribution

It introduces a PHY/MAC layer design using SDRs that is backward compatible with LTE and supports CDMA for low-power IoT devices, addressing current protocol inefficiencies.

## Key findings

- System implementation demonstrates viability under various network scenarios.
- Supports low-power IoT devices with backward compatibility.
- Shows potential for efficient massive IoT deployment in 5G networks.

## Abstract

With the vision of deployment of massive Internet-of-Things (IoTs) in 5G network, existing 4G network and protocols are inefficient to handle sporadic IoT traffic with requirements of low-latency, low control overhead and low power. To suffice these requirements, we propose a design of a PHY/MAC layer using Software Defined Radios (SDRs) that is backward compatible with existing OFDM based LTE protocols and supports CDMA based transmissions for low power IoT devices as well. This demo shows our implemented system based on that design and the viability of the proposal under different network scenarios.