IEEE M CASE STUDY CHANNEL MODEL Siddharth Nair G EE /12/10

I NTRODUCTION Link Level Channel Model Large Scale & Small Scale Fading Characteristics 2

S PATIAL C HANNEL M ODELING Ray Based Each Tap a Summation Of Rays at each time instant Channel Coefficients Dependent on Antenna Configuration Gain Pattern AoA, AoD Correlation Based Mandatory Baseline Channel Modeling Approach Antenna Correlation Based On AoA, AoD, Angular Profile, Antenna Configuration Provides Both Spatial and Temporal Correlation(Doppler) 3

R ADIO E NVIRONMENTS Urban Macrocell – Manhattan Type Grid Suburban Macrocell – Low Residential Detached Houses Urban Microcell – Height Of Both BS And MS Well Below Surrounding Buildings Indoor Small Office Outdoor To Indoor – Combination Of Any Of The Outdoor/Indoor Scenarios Indoor Hotspots – Conference Halls, Shopping Malls Open Rural Macrocell – Low Building Density 4

L ARGE S CALE P ATH L OSS W ITH S HADOWING COST-231 Modified Hata Model Used 5

N O S HADOWING 6

S MALL S CALE F ADING Cluster Delay Line Model Used CDL Model seen as an extension to Tap Delay Line Model Each Cluster a Group of Multipath components whose Large scale characteristics do not change relative to each other AoA, AoD Per Tap Power Delays 7

CDL M ODEL –MIMO 8

S PATIAL C ORRELATION C ALCULATION 9

U RBAN M ACROCELL NLOS C HANNEL 10

I NPUT Fs = 20e6 Hz Fd = 0 Hz Ts = 1/Fs Nt = 2 Nr = 2 11

I MPULSE R ESPONSE 12

F REQUENCY R ESPONSE 13

F D =350 H Z 14

U RBAN NLOS M ICROCELL 15

I NPUT Fs = 20e6 Hz Fd = 0 Hz Ts = 1/Fs Nt = 2 Nr = 2 16

I MPULSE R ESPONSE 17

F REQUENCY R ESPONSE 18

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