Sensors history data is maintained on Host PC, where detailed analysis may be performed. This integration eliminates the need for dedicated circuitry in sensors, allows the addition of several types of sensors and implements multiple wireless protocols (BT or Wi-Fi), keeping in view the requirement of range and data rate. Mobile phone is used as an information retrieval agent, in order to retrieve the sensory data and onward forwarding the information to end user via Cellular or Web services. Sensors data is read from DAQ via Host PC application and on request wirelessly sent to MP.

The design involves Data Acquisition (DAQ) device, attached with Host PC, providing an interface to communicate with sensors. This platform utilizes commercial off-the-shelf (COTS) available hardware and software tools, thereby eliminating the need for custom-designed sensor's integration boards. We propose an Open Sensor Platform, based on Open System Architecture design, for the integration of mobile phone (MP) and sensors. This paper gives a comprehensive overview of sensors integration in mobile phones, sensors classification, identifies a number of available and emerging sensors in mobile phones, and outlines a number of limitations and recommendations for the research communities to address. Sensors and mobile phones integration can be attributed to plenty of reasons including easy usage, cost reductions, and high productivity etc. Due to the increasing use of sensors in mobile phones, today’s mobile phones come with a number of sensors while experiencing the integration of new sensors in the near future. Most of the systems have used sensors for automatic data acquisition and have gained high levels of successes. Recent advancements have turned mobile phones from simple communication devices into complete computing devices, leveraging novel systems and services. Sensors can be found virtually in all fields of applications for automatic real-world data acquisition for using in plethora of decision making processes.

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