Performance Evaluation of IEEE 802.15.4: Experimental and Simulation Results

Abstract

<p class="MsoNormal" style="text-align: left; margin: 0cm 0cm 0pt;" align="left"><span class="text"><span style="font-family: ";Arial";,";sans-serif";; font-size: 9pt;">Wireless Local Area Networking standard (Wi-Fi) and the WPAN standard (Bluetooth and Zigbee) products utilize the same unlicensed 2.4 GHz ISM band. Co-existence between such wireless technologies within the same frequency spectrum is crucial to ensure that each wireless technology maintains and provides its desired performance requirements. This paper provides a brief description of the newly introduced Zigbee standards including the Physical (PHY) and media access control (MAC) layer. It focuses on developing MatLab/Simulink models for the Zigbee protocol and the performance evaluation of these models. Several simulations were run and the results were analyzed for the different scenarios. The results showed how the relationship between the signal Bit Error Rate (BER) and Signal to Noise Ratio (SNR) was affected when varying the data rate and power. Furthermore, this paper investigated the co-existence of WLAN (IEEE 802.11g) with Zigbee (IEEE 802.15.4 by quantifying potential interferences and examining the impact on the throughput performance of IEEE 802.11g and Zigbee devices when co-existing within a particular environment. The effect of Zigbee on IEEE 802.11g was compared with the effect of Bluetooth under the same operating conditions.</span></span><span style="font-family: ";Arial";,";sans-serif";; font-size: 9pt;"></span></p&gt

Performance Evaluation of Low Density Parity Check (LDPC) Codes Over Gigabit Ethernet Protocol

“…Several simulations were carried and the results were analyzed for the different scenarios. The results show how the relationship between the signal Bit Error Rate (BER) and Signal to Noise Ratio (SNR) was affected when varying the data rate and power [5]. David J. C. MacKay gives experimental results for binary-symmetric channels and Gaussian channels demonstrating the practical performance of LDPC codes is substantially better than that of standard convolutional and concatenated codes and is almost as close to the Shannon limit as that of turbo codes [6].…”

An Efficient Power Delay Product of ZigBee Transmitter Using Verilog HDL

“…For monitoring systems, ZigBee can be used to monitor hotel guest room access and fire extinguishers [1,2]. The transmission range for ZigBee devices is 10-100 m, based on the environment [5].The battery lifetime is up to 2-year [6].For large designs schematic is not appropriate where more logic functionality is involved. Shuaib et al [8] developed and simulated the transmitter design using Matlab.…”

“…Since CRC is a technique for detecting errors, but not for making corrections when errors are detected, the whole packet data will be retransmitted if error occurs [5]. For any ZigBee Standard CRC algorithm involves a division of the transmitted packet of data by a constant called the generator polynomial [1,8].…”

Adding functionality to X10 networks with 802.15.4. Using 802.15.4 to communicate and add functionality to X10 wired networks

“…802.15.4 allows up to 16 channels on the 2.4 GHz band, which is useful to avoid interference with widcspread WiFi and Bluetooth / WiBree networks [5], which also use the same band to communicate.…”