1. Group 58 Michael Bieniek, Mikhail Zakharov, Consultant: Dr. Vincent Gaudet

2.  Vast majority of consumer media content is stored digitally on computers.  Consumers would like to see their media content on a TV.

3. TechnologyProsCons WireCheapNot always feasible Wi-Fi based Exiting infrastructure ‘Smart’ TVs QoS Cost Setup Custom Transmitter & Receiver QoS Cost Setup

4.  Every TV has a wireless tuner to receive broadcast TV  Not all channels occupied by stations  FCC regulation allows for licence-free low power broadcast within the UHF band

5.  Investigate feasibility of building a low-power portable transmitter, operating within the UHF band.  Living room equivalent of FM transmitters for listening to music in the car

6.  Minimize hardware costs  Scalability: point to multipoint  Utilize existing infrastructure  Ease of setup

7.  Wirelessly broadcast audio and video.  Receive on a TV.  Tune to a UHF channel.

8. CriteriaDigital (ATSC)Analog (NTSC + BTSC) High DefinitionYesNo QoSBetterAverage Existing infrastructureAverageBetter Implementation complexity HighMedium CostHighLow

9.  Support commonly used digital media storage formats (H.264, MPEG 2, MPEG 4, etc…).  USB for power and PC interfacing.  Portable form-factor ready. Reference: Dell Unveiled USB Digital TV Tuner [online], Available: http://www.mr- gizmo.com/tag/digital-tv-tuner/

15. Ref: Beagleboard.org

17.  Input: NTSC video and BTSC audio.  Output: UHF modulated signal.  Freescale MC44BS373CA. ◦ Capable of modulating on channels 14-69 (471.25 MHz – 801.25 MHz).

18.  Input: 2-channel analog audio.  Output: Stereo encoded audio.  Freescale MC44C402.

19. Filter ResponseImplementation

20.  Two stage amplifier boosts the power level of the RF modulated signal.  Total simulated gain of 44 dB ◦ High IP3 points and unconditionally stable. Mini-Circuits RF Amplifier

24. Spectrum Analyzer Output Parameters Power (dBm) Actual-11 Simulated10 Maximum (FCC)17

25.  Use digital modulation techniques (ATSC).  Improve output power.  Minimize size.  $38/unit. Reference: Dell Unveiled USB Digital TV Tuner [online], Available: http://www.mr- gizmo.com/tag/digital-tv-tuner/