ced data controller are supported [20]. MBITR (MultiBand Intra/Inter Team Radio) Designated AN/PRC-148, the MBITR provides AM/FM voice and data communications in the 30-512 MHz band. Development of the MBITR is an outgrowth of Racal's work on DSP and flash memory. MBITR is JTRS SCA 2.2 compliant and does not require a JTRS waiver. The information security (INFOSEC) capabilities are software programmable [21]. used for authentication or context estimates or even radio is not utilizing the information but is aware of the natural language understanding or aural human-machine situation. interface (HMI) interactions. Added sensors enable an One example of an aware radio is the code division aware radio to gather other information, such as multiple access (CDMA) based cellular system proposed chemical surroundings, geolocation, time of day, bio- by Chen et al. [28]. This system is aware of QoS metrics metric data, or even network quality of service (QoS) and makes reservations of bandwidth to improve overall measures. The key characteristic that raises a radio to QoS. Another example of an aware radio is the orthog- the level of aware is the consolidation of environmental onal frequency division multiplexing (OFDM) based information not required to perform simple communi- energy aware radio link control discussed by Bougard cations. Utilization of this information is not required et al. [29]. for the radio to be considered aware. There is no com- munication performance motivation for developing this class of aware radios, and it is expected that this set will 2.4b.3.2 Adaptive radios be sparse. One motivation for an aware radio is providing in- Frequency, instantaneous bandwidth, modulation scheme, formation to the user. As an example, an aware radio error correction coding, channel mitigation strategies may provide a pull-down menu of restaurants within such as equalizers or RAKE filters, system timing (e.g., a user-defined radius. The radio may gather this in- a time division multiple access [TDMA] structure), data f