wideband dual band patch antenna design

... Continuously using rectangular meander antenna We keep bottom side, add rectangular patch into center antenna on top side Distance between each edge of patch and antenna is adjusted to match impedance ... Joong Yoon, Small RFID tag antenna with bandwidthenhanced characteristic [4] Seunggil Jeon, Yeonsik Yu, Sungtek Kahng, Juderk Park, NaeSoo Kim, Jaehoon Choi, Dualband Dipole antenna for ISO 18000-9/ISO ... different rectangular patch Results are compared at Fig Dash line as result of simulation antenna at Figure 4, solid line is result of antenna at Figure (a) and result of antenna at Figure 5(b)...

Ngày tải lên: 22/03/2014, 09:20

... the patch antenna has been obtained with size of 20 mm × 50 mm × 1.2 mm, as given in Figure 2, while Figure shows the designed antenna in 2D and 3D Recently, we also proposed a dual- band antenna ... Reference [1] Reference [2] Fig 2: Antenna design: a) bottom view and b) top view Antenna Design Reference [3] Fig 1: Some antenna samples from literature designed for LTE 700, GSM 850, 900, ... starting point for the design of the 4G-LTE antenna described in this paper In this paper, a dual- band, omni-directional microstrip antenna for 4G-LTE handheld devices has been designed, simulated...

Ngày tải lên: 13/08/2015, 10:00

... successful antenna designs were achieved in the course of this research work These include a reduced-size multilayer antenna, a dual- band microstrip antenna and a wideband monopole antenna A testbed ... 4.2.3 Inverted F antenna …………………………… ……………….55 4.2.4 Dual band inverted F antenna ………………………………….56 4.2.5 Dual band inverted F antenna with an air gap……… …………57 4.2.6 Inverted L antenna with parasitic ... LU antenna …………………………………… … 67 Figure 4.17 Wideband planar monopole antenna with coupled parasitic lines…………………………………………………………… 69 Figure 4.18 Impedance bandwidth against frequency for wideband...

Ngày tải lên: 30/09/2015, 13:41

... impulse radios Band1 3.2 G Band2 3.8 G 4.0 G 4.6 G Frequency Fig 4.1 Wideband FSK Modulation sub -band allocation 26 4.2 Proposed Receiver Architecture Mixer IF Amp LPF Baseband Squarer Baseband Processor ... used to filter out the out-of -band components and any narrowband interferers leaving only the baseband information of the desired sub -band The bandwidth of the LPF is designed to be variable (between ... fixed subbands of the lower UWB communications bandwidth (3.1-4.8 GHz) These sub-bands are 3.2-3.8 GHz for data bit ‘0’ and 4.0-4.6 GHz for data bit ‘1’ and are denoted as Band1 and Band2 in...

Ngày tải lên: 04/10/2015, 17:05

... 26.96 mm DESIGN PARAMETERS Figure 2(a) and 2(b) shows the front view geometry and the designed structure of the designed microstrip patch antenna with single band operation for the WLAN band on ... the bandwidth of the antenna but in this design the bandwidth of 304 MHz is achieved by using Defected Ground Structure The antenna covers the WLAN application standard IEEE 802.11 (5.2 GHz band) ... CONCLUSION The designed single band microstrip patch antenna is operating in the frequency band of 5.055 GHz - 5.360 GHz covering 5.2 GHz WLAN communication standard The resultant bandwidth at...

Ngày tải lên: 21/09/2016, 23:32

... Patch Antenna, 299 6-4 Quarter-Wave Patch Antenna, 310 6-5 Circular Microstrip Patch, 313 6-6 Circularly Polarized Patch Antennas, 316 6-7 Compact Patches, 319 6-8 Directly Fed Stacked Patches, ... Improved Design Methods, 282 References, 283 Microstrip Antennas 285 6-1 Microstrip Antenna Patterns, 287 6-2 Microstrip Patch Bandwidth and Surface-Wave Efficiency, 293 6-3 Rectangular Microstrip Patch ... MODERN ANTENNA DESIGN Second Edition THOMAS A MILLIGAN IEEE PRESS A JOHN WILEY & SONS, INC., PUBLICATION MODERN ANTENNA DESIGN MODERN ANTENNA DESIGN Second Edition THOMAS...

Ngày tải lên: 27/05/2014, 03:57

... số ta có loại anten khác Có dạng anten mạch dải bản: Anten patch vi dải Anten có patch vi dải (microstrip patch antenna, MPA) bao gồm patch dẫn điện có hình dạng phẳng hay không phẳng mặt chất ... xạ, cộng hưởng kép đạt cách sử dụng nhiều patch xạ, patch cộng hưởng tần số định Cấu trúc thực cách sử dụng nhiều patch đồng phẳng xếp chồng nhiều patch, patch xạ có hình dạng giống khác Các anten ... dấu mặt patch làm số điện tích bay vòng lên mặt patch gây dòng Jb Js Do tỉ số h/W nhỏ lên lực hút điện tích trái dấu mặt lớp GND mặt Patch lớn Do đó, điện tích tập trung chủ yếu mặt patch Mặt...

Ngày tải lên: 25/03/2015, 10:46

... reader antenna designs In Chapter 3, a top-to-bottom coupled segmented loop antenna is introduced The antenna configuration is presented The principle of the antenna operation is discussed Design ... UHF HF On the design of the tag antenna: • Tags can be constructed by single loop without any On the design of the tag antenna: • Multiple loops are needed for tag cross-over antenna designs to ... the antenna across a horizontal line at a height of 50 mm across the antenna [46] 17 Liu and Hilegass [41] designed a three -patch antenna to detect boxes going through a conveyor belt The antenna...

Ngày tải lên: 16/10/2015, 15:37

... G-shaped DGS antenna Table shows some common design parameters or specifications for both antennas i.e simple MPA and I-slot DGS antenna Table Common design specifications for both antennas Sr ... structure for multiband microstrip antenna array." Progress In Electromagnetics Research Letters 13 (2010): 29-40 [19] Lin, Xian-Chang, and Ling-Teng Wang "A wideband CPW-fed patch antenna with defective ... gain and bandwidth enhancement of patch antennas." In Radio and Wireless Conference, 1998 RAWCON 98 1998 IEEE, pp 221-224 IEEE, 1998 [15] Wang, Xiaojing, Yang Hao, and Peter S Hall "Dualband resonances...

Ngày tải lên: 21/09/2016, 23:33

... percentage bandwidth of the rectangular patch microstrip antenna in terms of patch dimensions and substrates parameters is given as follows [13] - (8) DESIGN RECTANGULAR PATCH ANTENNA The ... Antennas Propagat 36(3): 309-321 [3] T Huynh and K.F Lee 1995 Single layer single patch wideband microstrip patch antenna Electronic letters L (31): 1310-1311 [4] Constantine A Balanis 2005 ANTENNA ... Line-Fed patch Antennas IEEE Transaction on Antennas and Propagation 49(1) [9] J R James and P S Hall 1989 Handbook of Microstrip Antennas London, Peregrinus [10] Ray K P 1999 Broadband, Dual Frequency...

Ngày tải lên: 21/09/2016, 23:34

... rectangular patch antenna designed with swastik structure DGS shows gain of dB Moreover, the radiating patch area is smaller as compared to the conventional antenna without DGS So, HFSSDesign1 this antenna ... simulation results of Microstrip rectangular patch antenna with DGS are shown in the figures (3) II .ANTENNA AND DESIGN SIMULATION The design of the proposed antenna is shown in figure (1) 31 2.86 ... paper we design a microstrip patch antenna with Defected Ground Structure for bluetooth to determine the effect of using DGS This figure shows the process of building the new shaped DGS patch antenna...

Ngày tải lên: 21/09/2016, 23:36

... Xue, Dual- mode dual- band bandpass filter using stacked-loop structure,” IEEE Microw Wireless Compon Lett., vol 16, no 9, pp 502–504, Sep 2006 [5] X Y Zhang and Q Xue, “Novel dual- mode dual- band ... Wu, “Multilayer dual- mode dual- bandpass filter,” IEEE Microw Wireless Compon Lett., vol 19, no 1, pp 21–23, Jan 2009 [7] J.-W Baik, L Zhu, and Y.-S Kim, Dual- mode dual- band bandpass filter using ... second passband, which has a similar bandwidth and quasi-symmetrical responses as the first passband In particular, becomes the first harmonic frequency of the fifth resonance this dual- band filter,...

Ngày tải lên: 22/09/2016, 00:21

... modified dual- mode dual- band BPF is designed and implemented The center frequencies of the two passbands are designated at 2.4 and 5.8 GHz To get a 12% fractional bandwidth for the first passband, ... Xue, Dual- mode dual- band bandpass filter using stacked-loop structure,” IEEE Microw Wireless Compon Lett., vol 16, no 9, pp 502–504, Sep 2006 [5] E E Djoumessi and K Wu, “Multilayer dual- mode dual- bandpass ... circuit models Afterwards, a modified dual- band BPF based on a single microstrip ring resonator with loading of eight opened 499 Fig Modified dual- mode dual- band BPF for fabrication and measurement...

Ngày tải lên: 22/09/2016, 00:22

... shown that such structures help in improving the bandwidth of patch antennas In this thesis, we improve the bandwidth of a dual array patch antenna designed at 14.8 GHz by etching three different ... of a patch antenna is tackled and solved A dual array patch antenna is used as a reference antenna and efforts are made to improve its bandwidth by etching the feedline connecting the two patches ... CHAPTER DESIGN AND FABRICATION OF ANTENNAS 3.1 Introduction In this chapter, design of different antenna structures is mentioned The prototype or the reference antenna is a dual array patch antenna...

Ngày tải lên: 01/10/2015, 11:39

... the joint design has a better performance than the various separate design schemes Furthermore, the joint source precoder, relay forwarding matrix and destination equalizer design for dual hop ... errors From different design purposes or to tackle different problems, the criteria of transceiver design can be various In general, there are two criteria for transceiver design: capacity maximization ... Transceiver design maximizing the capacity of single-user AF MIMO relay systems based on perfect CSI assumption have been studied in [13, 14, 29] In terms of transceiver design minimizing MSE, for dual- hop...

Ngày tải lên: 20/11/2012, 11:31

... most of these works are designed for single antenna multi-user systems In a recent work on QoSbased scheduling design in multi-user MIMO system [38], the base station antennas are allocated to ... Intelligent resource management through cross-layer designs [6, 7] Among the key enabling technologies, the multiple -antenna technique and the cross-layer designs are the two recent and very promising ... the available bandwidth and power The traditional way of increasing the data rate is to increase the bandwidth or power for transmission Yet either increasing power or broadening bandwidth becomes...

Ngày tải lên: 20/11/2012, 11:36

... Coaxial Patch Cords Features • Quality - Patch plugs; factory installed and tested • RG59 type coaxial cable Catalog Number ... connector Patch Cord Length* XXX Length in feet (001 thru 050) Plug Type Second End M S B Midsize plug Standard size plug BNC connector Ordering Example: Catalog Number PCH-MMXB-012: 12' (3.66 m) patch ... cord with MIDSIZE plugs on both ends Ordering Example: Catalog Number PCH-MSXB-012: 12' (3.66 m) patch cord with MIDSIZE plug on one end and STANDARD size on the other *See catalog #274 for complete...

Ngày tải lên: 21/12/2013, 07:15

... conductor line, the proposed compact dual- frequency monopole antenna with good impedance matching can be obtained [5] Fig shows an overview of the antenna Antenna is printed on an FR4 substrate ... carried out by Ansoft HFSS 11 software Figure shows the result for S11 of antenna Fig Overview the antenna Designing antenna and simulation results T.M Tuan / VNU Journal of Science, Natural ... result The designed antenna suitable for GSM/UMTS operation in an advance mobile handsets has been demonstrated The return loss bandwidths of the lower and upper modes of the proposed antenna cover...

Ngày tải lên: 05/03/2014, 11:21

... Mutual Coupling 6.7.2.1 Aperture Antennas 6.7.2.2 Microstrip -Patch Antennas 6.7.3 Radiation Characteristics 6.7.3.1 Aperture Antennas 6.7.3.2 Microstrip -Patch Antennas References 221 223 230 230 ... Howard 1996] Preferably, some of the antenna functions should be combined in the same unit if the design can be made broadband enough The need for conformal antennas is even more pronounced for ... Dielectric Coated Surfaces 4.5 Two Examples 4.5.1 Introduction 4.5.2 The Aperture Antenna 4.5.3 The Microstrip -Patch Antenna 4.6 A Comparison of Analysis Methods Appendix 4A—Interpretation of the...

Ngày tải lên: 17/03/2014, 13:45