RF Triangulator: Indoor/Outdoor Location Finding 18-525 Architecture ProposalGiovanni FonsecaDavid FuAmir GhitiStephen RoosDesign Manager: Myron Kwai

Overall Project Objective:Overall Project Objective:Design a Radio-Frequency indoor/outdoor navigation Design a Radio-Frequency indoor/outdoor navigation system, utilizing the existing wireless infrastructure.system, utilizing the existing wireless infrastructure.

Design Stage Objective:Design Stage Objective:LVS of all functional blocksLVS of all functional blocks

StatusStatus• Structural Verilog complete.Structural Verilog complete.• Schematics completed.Schematics completed.• Layout of basic components complete.Layout of basic components complete.• Major Layouts:Major Layouts:

• ~90% done~90% done FPU: Done, adding buffering to strengthen signalsFPU: Done, adding buffering to strengthen signals Lookup: Done, testingLookup: Done, testing Calc and Top Three: Finishing layoutsCalc and Top Three: Finishing layouts

• Global routing still needs to be doneGlobal routing still needs to be done

Current Transistor countsCurrent Transistor counts•Total: 27,150 transistors*•Top Three: 6,500 trans.

3 x FPU Add/Sub Unit 1500 trans. Control Registers & Muxes: 2000 trans.

•Calc: 17,950 trans. 2 x FPU Add/Sub Unit: 1500 trans. 1 x FPU Mult/Div Unit: ~5000 trans. 1 x Logshifter: 200 trans. 1 x Comparator: 800 transistors. FSM Logic: 850 transistors 25 x 12-bit M-S En Reg: 6600 trans. total 8-1,6-1,4-1,2-1 Mux Sets: 3000 trans. total

•Lookup: 2,700 trans. Control Registers & Muxes: 2000 trans. Control Logic: 163 trans.•SRAM: 12k trans

* count not including SRAM, with SRAM: ~38k

FloorplanFloorplan

FPU LayoutsFPU Layouts

Multiplication & Division Layout

FASU Layout

FPU WaveformsFPU Waveforms

FPU WaveformsFPU Waveforms

FPU WaveformsFPU Waveforms

FPU WaveformsFPU Waveforms

FPU WaveformsFPU Waveforms

Lookup LayoutLookup Layout

Lookup WaveformsLookup Waveforms

Lookup WaveformsLookup Waveforms

Lookup WaveformsLookup Waveforms

Lookup WaveformsLookup Waveforms

Top Three ProgressTop Three Progress

Questions/ConcernsQuestions/Concerns

Large block simulations take a long Large block simulations take a long timetime

Much of Top Three still needs workMuch of Top Three still needs work