Low-Profile Natural and Metamaterial Antennas

Description

Contents......Page 3 Preface......Page 8 NATURAL AND METAMATERIAL ANTENNAS DISCUSSED IN THIS BOOK......Page 11 SOME ANTENNA EXAMPLES......Page 14 REFERENCES......Page 16 BASIC ANTENNA CHARACTERISTICS......Page 18 INTEGRAL EQUATION ON A STRAIGHT-WIRE ANTENNA......Page 22 METHOD OF MOMENTS......Page 23 INTEGRAL EQUATION FOR AN ARBITRARILY SHAPED WIRE ANTENNA IN FREE SPACE......Page 26 POINT-MATCHING TECHNIQUE......Page 29 INTEGRAL EQUATION N1 FOR AN ARBITRARILY SHAPED WIRE ANTENNA: CLOSED KERNEL EXPRESSION......Page 30 INTEGRAL EQUATIONS N2 AND N3 FOR AN ANTENNA SYSTEM COMPOSED OF AN ARBITRARILY SHAPED WIRE AND AN ARBITRARILY SHAPED APERTURE AND THEIR MoM TRANSFORMATION......Page 34 INTEGRAL EQUATION N4 FOR AN ARBITRARILY SHAPED WIRE ANTENNA ON A DIELECTRIC SUBSTRATE BACKED BY A CONDUCTING PLANE AND ITS MoM TRANSFORMATION......Page 41 Step I......Page 42 Step II......Page 44 INTEGRAL EQUATION N5 FOR AN ARBITRARILY SHAPED WIRE ANTENNA ON A DIELECTRIC HALF-SPACE AND ITS TRANSFORMATION USING A FINITE­ DIFFERENCE TECHNIQUE......Page 48 REFERENCES......Page 53 BASIS......Page 55 FDTD METHOD......Page 58 REFERENCES......Page 63 --- Low-Profile Natural Antennas......Page 64 *** Base Station Antennas......Page 65 INVERTED-F ANTENNA WITH A SINGLE PARASITIC INVERTED-L ELEMENT......Page 66 INVERTED-F ANTENNA WITH A PAIR OF PARASITIC INVERTED-L ELEMENTS......Page 70 REFERENCES......Page 76 DISCRETE MULTILOOP (ML) ANTENNAS......Page 77 )......Page 78 and 7)......Page 79 MODIFIED MULTILOOP ANTENNAS......Page 80 PLATE-LOOP (PL) ANTENNA......Page 84 REFERENCES......Page 85 WIDEBAND INPUT IMPEDANCE......Page 87 CHARACTERISTICS OF THE FAN-SHAPED ANTENNA......Page 88 CROSS FAN-SHAPED ANTENNA (X-Fan Antenna)......Page 89 CROSS FAN-SHAPED ANTENNA SURROUNDED BY A WIRE (X-Fan-W)......Page 91 CROSS FAN-SHAPED ANTENNA WITH SLOTS (X-Fan-S)......Page 94 REFERENCES......Page 95 CONFIGURATION......Page 97 ANTENNA INPUT CHARACTERISTICS OF INITIAL PATCH, PATCH-SLOT, AND PSP ANTENNAS......Page 99 REPLACEMENT OF THE PATCH ISLAND WITH A CONDUCTING BODY OF REVOLUTION (BOR)......Page 101 REFERENCES......Page 105 *** Card Antennas for Mobile Equipment......Page 107 DESIGN......Page 108 REFERENCES......Page 115 CONFIGURATION......Page 117 ANTENNA CHARACTERISTICS......Page 118 REFERENCES......Page 123 ANT-1 AND ANT-2......Page 124 ANT-3 AND ANT-4......Page 126 REFERENCES......Page 130 *** Beam forming Antennas......Page 131 INVF ARRAY)......Page 132 ANTENNA CHARACTERISTICS......Page 133 REFERENCES......Page 137 guration......Page 139 Radiation Pattern......Page 140 Input Impedance......Page 142 Design Guidelines for The BeToL......Page 143 BeToL Array......Page 147 guration......Page 149 Radiation Pattern......Page 150 Bent Ground Plane......Page 151 REFERENCES......Page 156 ANTENNA SYSTEM......Page 158 PLACEMENT OF A HOMOGENENEOUS PerioAEs PLATE......Page 161 PLACEMENT OF A NONHOMOGENEOUS PerioAEs PLATE......Page 163 GAIN......Page 165 REFERENCES......Page 168 CONFIGURATION......Page 169 RADIATION PATTERN AND GAIN......Page 171 REFERENCES......Page 177 CONFIGURATION OF A PROTOTYPE LOOP-BASED CP GAA......Page 178 RADIATION CHARACTERISTICS OF THE PROTOTYPE LOOP-BASED CP GAA......Page 181 CONFIGURATION OF AN ADVANCED LOOP-BASED CP GAA......Page 184 RADIATION CHARACTERISTICS OF THE ADVANCED LOOP-BASED CP GAA......Page 185 REFERENCES......Page 191 *** Earth–Satellite & Satellite–Satellite Communications Antennas......Page 192 TILTED-BEAM MONOFILAR SPIRAL ANTENNA......Page 193 TILTED CP FAN BEAM......Page 198 REFERENCES......Page 201 ARRAY ELEMENT......Page 202 guration......Page 204 Directivity......Page 205 Radiation Characteristics......Page 207 APPLICATION EXAMPLES......Page 210 REFERENCES......Page 212 Internal-Excitation Curl Antenna as an Array Element......Page 213 Radiation from an Internal-Excitation Curl Antenna......Page 215 Internal-Excitation Curl Array Antenna......Page 216 External-Excitation Curl Antenna as an Array Element......Page 219 External-Excitation Curl Array Antenna......Page 223 REFERENCES......Page 226 --- Low-Profile Metamaterial Antennas......Page 227 UNIT CELL......Page 228 , AND PHASE CONSTANT......Page 229 TWO-METALINE ANTENNAS......Page 232 REFERENCES......Page 235 METALOOP CONFIGURATION......Page 236 SINGLE- AND DUAL-PEAK BEAMS......Page 238 REFERENCES......Page 242 COUNTER-CP RADIATION......Page 243 REFERENCES......Page 248 CIRCULARLY POLARIZED RADIATION Left-Handed Circularly Polarized Wave......Page 249 guration of a Metaspiral Antenna......Page 251 Dual-Band Counter-CP Antenna Characteristics......Page 253 LINEARLY POLARIZED RADIATION......Page 254 REFERENCES......Page 259 guration......Page 260 Antenna Characteristics......Page 262 RECTANGULAR METAHELICAL ANTENNA......Page 263 REFERENCES......Page 269 Index......Page 270