The present invention provides a nanoparticle and cell delivery agent, capable of releasing a target substance in a weakly acidic pH environment. The device is determined to be in an outdoor environment if the signal strength of satellite signals used by a global positioning system is greater than a threshold. When inadequate resources are determined to exist, the first communication device generates a second packet, stores the information in the second packet, and transmits the second packet. The compensation term depends on a change over time in the sensor temperature and such parameters that a temperature correction value can be determined for taking into account the heating of the sensor housing andor of a space surrounded by the sensor housing by the contact between the sensor housing and the skin of the body. a type of base station, compensates for these power amplifier transients using a simple scalar constant gain transient correction, over a full OFDM symbol.