Low-Profile Natural and Metamaterial Antennas

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