Potential for Intra-Vehicle Wireless Automotive Sensor Networks

Abstract

We propose using a wireless network to facilitate communications between sensors/switches and control units located within a vehicle. In a typical modern vehicle, the most demanding sensor will require a latency of approximately less than 1 msec with throughput of 12 kbps. Further, the network will need to support about 15 sensors with this requirement. The least demanding sensor will require a latency of approximately 50 msec with data throughput rate of 5 bps and will need to support about 20 of these types of devices. Initial part of this paper gives an overview of the issues spanning several layers of the protocol stack. Then, we focus on the Medium access control (MAC) layer and derive necessary design parameters based on given network requirements. We evaluate the IEEE 802.15.4 standard with respect to its suitability for use in a prospective intra-vehicle wireless sensor network.

Modeling for deployment techniques for intra-car wireless sensor networks

“…An early analysis was carried out in [2] where latency for the IEEE 802.15.4 family of protocols for low-rate wireless personal area networks (LR-WPAN) depending on network configuration and topology was performed. An ample review was done in [3] for general wired and wireless communication in car sensor networks and the potential for low-rate low-power protocols like Bluetooth, ZigBee, etc. in various applications was underlined and the conclusion was drawn that as well as in other domains, there persists a strong need for standardization in the field enabling wider adoption of such technologies.…”

Enabling Cloud Connectivity for Mobile Internet of Things Applications

“…Example applications include: health care and elderly care [3], security (policemen, firemen etc. ), industrial application, as shown by Karnouskos et al [4], vehicle testing [5] and winter road conditioning [6]. Typical requirements for these types of applications ranges from a few data transmissions per hour (posture, position, temperature etc) to continuues data transmission with sample rates of several kHz (vibration, audio, CAN-bus, etc).…”

Wideband and Ultrawideband Channel Models in Working Machine Environment

“…Wireless intra-vehicle communications system has been proposed as a new type of communications system that can provide onboard passengers with bidirectional highspeed data exchange services for both communications and entertainment [2,3]. For the purpose of safety, comfort and convenience, WSNs are being deployed in the new models of automotives to collect such information as temperature, speed, pressure, and so on.…”