Ultra wide band communication systems and methods are provided. In one embodiment, an ultra wide band communication system includes an ultra wide band Medium Access Control (MAC) communication method, the communication method comprising the steps of providing a time division multiple access frame comprising a plurality of slots, placing at least one ultra wide band pulse in at least one slot; and varying an ultra wide band pulse repetition frequency between different slots. This Abstract is provided for the sole purpose of complying with the Abstract requirement rules that allow a reader to quickly ascertain the subject matter of the disclosure contained herein. This Abstract is submitted with the explicit understanding that it will not be used to interpret or to limit the scope or the meaning of the claims.