Disclosed is a wireless wearable sensor apparatus. The wireless wearable sensor apparatus includes a sensor platform having a signal processing device with a computational engine to implement signal processing tasks. The sensor platform is configured to receive signals from at least one sensor coupled thereto. A wireless communication circuit is coupled to the sensor platform. The wireless communication circuit comprises a link master controller configured to communicate to a wireless device and transfer data. In one aspect, the link master controller is configured to control data transmission over a communication link established with to wireless device, comprising timing control and frequency control. The wireless wearable sensor may include a processor, a memory, and an accelerometer coupled to the sensor platform.