Smart antenna

[object Object],Presented by :- Rajib Kumar Das

Overview ,[object Object],[object Object],[object Object],Part I Part II ,[object Object],[object Object],[object Object]

Smart Antenna ,[object Object]

SA Application ,[object Object],[object Object],[object Object],[object Object]

Non Smart antenna system ,[object Object],[object Object],[object Object],[object Object],Source http://www.altera.com/endmarket/wirelessantenna

Smart antenna Technology ,[object Object],[object Object],[object Object],[object Object],[object Object],BS Source http://www.altera.com/endmarket/wirelessantenna

Switched beam ,[object Object],[object Object],Source http://www.smartanteenas.googlepages.com

Adaptive beam forming ,[object Object],[object Object],[object Object],[object Object],Source http://www.altera.com/endmarket/wirelessantenna

Types of SA ,[object Object],[object Object]

MIMO ,[object Object],[object Object],[object Object],Source www.webopedia.com Advantages

Adaptive arrays antennas ,[object Object],[object Object],[object Object],[object Object],[object Object]

Switched beam forming implementation ,[object Object],[object Object],Source http://www.smartanteenas.googlepages.com

Phased array antenna Functional block diagram of phased array mounted on car Source http://www.smartanteenas.googlepages.com

Phased array antenna Functional diagram of phased array antenna

Digital beam forming array antenna ]. Source http://www.smartanteenas.googlepages.com

Parasitic array antenna ,[object Object],[object Object],[object Object]

SA application on vehicles with array antenna ,[object Object],[object Object],Cellular car radio antenna [1]

Radiation properties as function of antenna location ,[object Object],[object Object],[object Object],[object Object],Radiation properties as a function of antenna loc on car[2]

Array antenna on vehicles[1] ,[object Object],[object Object],[object Object],[object Object],[object Object]

3 element antenna with adjustable main beam direction[1] ,[object Object],[object Object],[object Object],[object Object],[object Object]

Two element optimized antenna 2 element pattern optimized antenna [2]

Diversity car antenna for cellular radio ,[object Object],[object Object],Signal quality with different antenna combination[1]

Why Smart Antennas ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why Smart Antennas ? (contd..) ,[object Object],[object Object],[object Object],[object Object]

Terminologies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Switched Beam Vs Adaptive Array

Block diagram of Smart Antenna Source : [8] Unwanted users

Beamforming Schemes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Source : [4]

Adaptive Beamforming Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Source : [5]

DoA Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],Source : [8]

Smart Antenna Design Implementation A planar array configuration: D x = 54.562 mm, D y = 54.747 mm, d x = 7.500 mm, d y = 7.500 mm, x o = 0.794 mm, y o = 1.164 mm, W = 2.247 mm, L = 2.062 mm, t = 0.300mm,  r = 11.7,  = 0.04, f = 20GHz. Source : [6]

Radiation Pattern E-plane H-plane Source : [6]

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

References [1] R Kronberger,H Lindermerier,J Hopf “Smart antenna applications on vehicles with low profile array antenna” Proc IEEE Vol 53 pp1-3 September 2003. [2] R Kronberger,H Lindermerier,J Hopf “Design method for antenna array on cars” Proc IEEE Vol 101 pp11-15 September 2003. [3] http://www.smartanteenas.googlepages.com [4] http://www.iec.org [5]Michael Chryssomallis “Smart antennas” IEEE antenna and propagation magazine” Vol 42 No 3 pp 129-138, June 2000. [6]Salvatore Bellofiore, Constantine,Jeffry and Andreas “ Smart antenna systems for mobile communication networks “ IEEE Antenna’s and propagation magazine” Vol 44 No 3 pp 145-154, June 2002. [7] AJ Paulraj,D Gesbert “Smart antennas for mobile communication” IEEE Antenna’s and propagation magazine Vol 57 No 5 pp 1-14, June 2000. [8]JM Samhan,RM Shubair and MA Alquadi “Design and implementation of an adaptive smart antenna” Proc IEEE Vol 57 pp6-7 September 2006.

Smart antenna

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