International Conference on Computing, Control, Networking, Electronics and Embedded Systems Engineering, 2015
Design and Simulation of High Performance Half
wave-dipole Antenna for L TE Applications
A.Osman, Alaa A. Yassin, B.Ali, H.Ahmed, S.Noor
Dept. Electronic Engineering, Telecommunication
University of Gezira
Wad Madani, Sudan
alla.adilialhotmail.com
Abstract- The dipole antenna or dipole aerial is one of the roof of a car underneath a standard plastic cover. Even though
most important and commonly used types of RF antenna. It is the antenna operates at a wide frequency band (from 698 MHz
widely used on its own, and it is also incorporated into many to 960 MHz and from 1470 MHz to 2700 MHz) in small
other RF antenna designs where it forms the driven element for
mounting volume, the antenna requires no matching network.
the antenna. In this paper, an attempt has been made to
In [5], a simple half-wave dipole antenna has been designed
investigate new half wave dipole antenna for LTE Applications.
and analyzed for wireless applications. Resonant frequency for
A dipole antenna approximately one-half wavelength long is the
half wave dipole antenna. The antenna is made to resonate at the the dipole antenna was 5 GHz and as a simulation tool CST
2.6 GHz frequency. HFSS Software is used for the simulation and Microwave Studio (MWS) has been used. Also some research
design calculations of the half wave dipole antennas. The return discussed different applications can be using dipole and half
loss, VSWR, gain and radiation pattern are evaluated. wave dipole antenna such as [6]-[8]. The geometrics of a half
wave dipole antenna are shown in the Figure1. L is the total
Keywords Half wave-dipole Antenna; LTE; Return Loss; length of the antenna, R is the thickness of antenna arm and g
Gain; HFSS.
--
is the feeding gap. Input impedance of the half-wave dipole is
73 Ohm which matched with the line impedance [9].
I. INTRODUCTION
The main aim of this paper is to design and simulate half
LTE, an abbreviation for Long-Term Evolution, wave dipole antenna to operate at LTE (4G) applications at
commonly marketed as 4G LTE, is a standard for wireless 2.6GHz with high gain, that by using HFSS simulator.
communication of high-speed data for mobile phones and data
terminals. It is based on the GSM/EDGE and UMTS/HSPA
network technologies, increasing the capacity and speed using
a different radio interface together with core network
improvements. LTE is continuously being developed to make
sure that future requirements and scenarios are being met and
prepared for in the best way. LTE is critical to delivering
lower cost per bit, high-performance connectivity, and the
subscriber experience needed to address the challenges of
mobile broadband, such as growth in devices, data-intensive Figure1: Geometric of Half-wave Dipole Antenna
services, and the introduction of new machine to machine
(M2M) applications [I). The analyses of the advantages and
II. DESIGN PARAMETERS OF HALF-WAVE DIPOLE ANTENNA
disadvantages of the alternatives of small monopole antenna
design discussed on [2] such as meandered line antenna, In this section will calculate design parameter of half-wave
inverted-L antenna, inverted-F antenna, planar inverted-F dipole antenna. The design proposed center frequency at
antenna, and multiband antenna that with composed of 2.6GHz. Based on the operating frequency will calculate the
different types of radiators for providing multifunctional length of antenna (also called the height) L by the following
operations for LTE-USB antennas. The design of a long-term equation [5]:
evolution (LTE) antenna is presented on [3] and also its
integration on the 3D surface of the mounting compartment of
L = 143 (1)
an automotive roof-top antenna, using molded interconnect
f
device (MID) technology. This antenna provided an input Thence, the calculated length is
matching better than 10 dB in the desired frequency band and 143
L SSmm
2.6
exhibited an omnidirectional radiation characteristic in the =-=
horizontal plane. However, the design of a long-term evolution
antenna is investigated on [4]. It is designed to be set on the The wavelength:
978-1-4673-7869-7/15/$31.00 ©2015 IEEE
A=� (2)
h. Voltage Standing Wave Ratio (VSWR):
t In Figure 3 shows VSWR of dipole antenna less than 2.
The good result ofVSWR takes it from HFSS equal1.3.
Thence, the calculated wavelength is
A 3*108 115.3mm XY Plot 1
2.6 450.00 O.rvehfo
= =
The gap feeding:
400.00
L
9 200
(3)
350.00
300.00
Thence, the calculated gab feeding is
0.250.00
55
!
�200.00
0.275mm
9 200
= =
150.00
100.00
The Radius of dipole (thickness):
so.oo
R =__
A 0.00
(4) 100 110 2.00 2>0 3.00 3.• 4.00
1000 FreG�zl
Thence, the calculated Radius is Figure3: VSWR from HFSS
115.3
c. High Gain:
R 0.115mm High gain measured at 2.6GHz equal 2.438dB as shown in
1000
= -- =
Figure 4.
Table]: Calculated Parameters of half-wave dipole Antenna
Parameter Value d6(GainTotal)
2.1f38ge+000
2.6GHz
-3.2040e+000
Frequency Resonate (I)
Wave light(A) 115.3mm -8. SLt6ge+000
-1.4Lt90e+001
Length of the dipole(L ) 55mm
-2. 0133e+001
Radius of the dipole(R) O.115mm -2. 5776e+001
-S.1418e+001
-3. 7061e+001
III. RESULT AND DISCUSSIONS -4. 270Lte+001
-4.8347e+001
The software used to model and simulate the half-wave
-5. 3990e+001
-5.9633e+001
dipole antenna is HFSS. It analyzes 3D and multilayer
structures of general shapes. It has been widely used in the
design different type of antenna. It can be used to calculate and
plot the Return Loss, VSWR as well as the radiation patterns.
Figure4: Antenna gain from HFSS
a. Return Loss: d. Radiation Pattern:
The radiation pattern presented worthy result as Figure 5.
In Figure 2 shows the return loss of work antenna must be
less than -10 dB and here's the result that we have acquired
them are very excellent result equal -17dB. FigureS: Radiation Pattern from HFSS
Radiation Pattern 3
RetlrnLoss
O.OO ----__.iiiii;;=---------=::rQ;;;i
� _rfI:tWO r--
T Sell.lll:I.asIA�1
-2.50
Freq"2.6Qt'ftF'Ode1 �,11
,
-lElol� .
Sell.lll:UstA�1
Freq"2.6G!z'RF'ideg
-5.00
-lElol�
SeI�l:UstA�e
rY'l
Fraq"2.6G!z'RF1Odeg
-rEIlM�
+
SeI�l:WA�e
�.7.50
Freq"2,6G!z'FtFl�
-rEIlMiI
�.
�
Sell.lll:I.astA�1
,
Freq0'2.6G!z'RF2Odeg
'0·10.00
-iEloiai
.
Sell.lll:UstA�e
Freq0'2.6G!z'RF25deg
-rEIlMiI
-12.50
Sell.lll:UstA\bi:iiIe
Freq"2.6G!z'FtF3Odeg
-rEIlMiI
Sell.lll:UstA�1
-15.00
Freq"2.6G!z'RFlSdeg
·1 80
.llJO +---T"""'--_-----r::.---_._---_--...--1
� � � m m m �
Freq[Glz]
FigureS: Radiation Pattern from HFSS
Figure2: Return loss from HFSS
473
IV. CONCLUSION [4] I. Goncharova, s. Lindenmeier, "A high-efficient 3-D Nefer
h
antenna for LTE communication on a car", 8t European
A half-wave dipole antenna has been designed and
Conference on. Antennas and Propagation (EuCAP), 2014.
simulated using HFSS software which ease the simulation. A
[5] Mohamed Targ, Dewan Ashraful, M.Islam, R.Ahmed," Simple
popular practical antenna half-wave dipole antenna was
Half-Wave Dipole Antenna Analysis for Wireless Applications
selected to obtained target frequency 2.6GHz for L TE
by CST Microwave Studio", International Journal of Computer
applications. Return loss obtained as -17 dB which shows the Applications (0975 -8887) Volume 94 -No.7, May 2014.
characteristic of reflection coefficient. The VSWR shows less
[6] Parminder Singh, Ankita Sharma, Neha Uniyal, Richa Kala,
than two and high gain obtained at 2.438dB. "Half-Wave Dipole Antenna for GSM Applications",
Intemational Journal of Advanced Computer Research (ISSN
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474
