These are some seminar topic suitable for Electronic & communication enggineering students.. 

Deep space communication
3D VLSI
AMATEUR RADIO SATELLITES
F-RAMS
CAMERA MOUSE
WIMAX
SUPER ATOM LASER
HW/SW INTERFACE CODESIGN
ARTIFICIAL INTELLIGENCE
RECONFIGURABLE SATELLITES
WIDE BAND CDMA
NANO-ROBOTICS
CELLONICS
PCI EXPRESS TECHNOLOGY
FLUID FOCUS LENS
MINI STORAGE DEVICES
MULTI CAST IP
EVERYWHERE DISPLAY
ARTIFICIAL MUSCLES
E-TEXTILES
BLU-RAY DISC
WIRELESS ATM
AUGMENTED REALITY
FLUROSCENT MULTI LAYER MEMORY
MULTI CORE PROCESSORS
SPINTRONICS
SENSITIVE SKIN
BUBBLE POWER
INVISIBLITY CLOAK
LOCAL MULTI POINT DISTRIBUTION SYSTEM HVD
NANO CODING
MODULAR ROBOTICS
RED TACTON TECHNOLOGY
SYMBIAN OS
AUDIO SPOT LIGHTING
LIDAR
12C BUS
CODE-BLUE
IP-NEXT GENERATION
BLUE EYES DTS NEO-6
WEDGE PROTECTION TECHNOLOGY
INTELLIGNT ROOM
WIRELESS NETWORKING STATIONS
MOBILE COMMERCE
EARLY TSUNAMI WARNING SYSTEM
SMART PILL
HAPTICS
RECYCLING OF E-WASTE
MICRO SATELLITES
ELECTRONIC PAPER
MAGLEV
BRAIN GATE
ULTRASOUND FINGER PRINT SCANNERS
POSITION EMISSION TOMOGRAPHY
LASER CROSS LINK SYSTEMS AND TECHNOLOGY
ARTIFICIAL VISION
RAID
MEMS MIRROR SWITCHES
SMART WINDOWS
ZIG BEE
SPECTRUM POOLING
MPLS,RPR &ASON IN THE METRO-A UNIFIED FEATURE
BRAIN COMPUTER INTERFACE
HYPER THREADING
REGULAR TXN.CONTENT PROTECTION
8DTV
FACE RECOGNITION
VISCULOID
PROJECT OXYGEN
ELECTRONIC INK
SIGNAL PROCESSING & GNEMONICS
SILICON PHOTO RECEIVERS
SMART QUILL
INTEL& PENTIUM PROCESSORS
SMART BOMB
RESIDENT PACKET RING VALVE
MULTIMEDIA FINGER PRINTING
OPTICAL MOUSE
PCI EXPRESS
QUANTUM DOT
VDSL
ROBONAUT
SSEL
1 BIT SOUND REPRODUCTION
CARBON NANOTUBE FETS
DTH TV
SOFTWARE RADIO
3D GRAPHICS ACCELERATORS
ORGNIC LEDS
SPINTRONICS
ARTIFICIAL NEURAL NETWORKS
DOLBY SYSTEMS
SILICON PHOTONICS
POLYGRPH SCIENTIFIC LIE DETECTOR
QUANTUM TELPORTATION
IRIS SCAN
PCI EXPRESS
MPG,MPEG CODING SYSTEMS
SMS
MICROFEUL SYSTEMS
OPTICAL ANTENNAS
EFFICON MICROPROCESSORS
SURFACE WAVE ACOUSTIC IDENTIFICATION
FLUROSCANT MULTILAYER DISC
DIGITAL WRAPPERS
NIGHT VISION TECHNOLOGY
IRIS SCAN
SCANNED BEAM DISPLAY
GSM
GSM SECURITY
NEXT GENERATION PROCESSORS
DIGITAL SCAPPERS
OPTICAL TWEEZERS
HBS
TURBO CODES
Cor-DECT
VSDL
NEO INDELIBLE MNEMONICS
MASSLESS LITHOGRAPHY
TELEGRRAFFITE
CELLDAR
VIRTUAL DISPLAY LASER
ADVANCED AUDIO CODING
MASSLESS LITHOGRAPHY
RESILIENT PACKET RING N/Ws
SIMPUTER
ULTRACAPACITORS
VERSATILE CAMERA POSITION MEASUREMENTS
MULTIMEDIA FINGER PRINTING