Using Compact And High Performance Wireless Communication Systems

Here we cut a cylindrical slot in the patch with outer radius R1 and inner radius R2 (R1>R2) as shown in Fig.5. By using cylindrical slot in the above rectangular slot antenna we get all three bands as with improved return loss and bandwidth as shown in Figure 6. The three bands which we are getting are better as compared to previous result of microstrip patch antenna with four rectangular slots.

All goals must be measurable to then measure the progress towards the successful outcome, to measure progress is to monitor and access success and achievement.

Wireless networks have become a major part in the operation of businesses and in people’s lives. Wireless networks can provide fast speed internet connections without having to use wired connections. Businesses are doing much better with wireless networks because they don’t have to pay the costs of installing wired networks and people can work easier because they do not have wires running all over the place. Now with wireless networks in place, businesses are able to connect to their other branches and buildings within their area as well.

There is a wide range of communications technology that is used by the Public Services. Every Public Service uses some form of technological equipment as it is vital to carry out their duties effectively and efficiently. Depending on what job they are required to do, they will use different types of technological equipment. Communications technology being, The Police National Computer, Roaming network, Radios, Cormorant digital voice, Local Area Network and Satellite communications.

Although relatively happy with the SNA application and services by providing TCP/IP capability and internet access. The goal was met in a remarkably short time. Over the course of 30 months, DMS built a statewide TCP/IP network, began

It is important to know that all access points are not safe. There are precautions Party Plates may implement when using public accesses. We should avoid connecting to unknown public access points. Never use public “open” networks to access your banking, credit card or other sensitive sites and always establish a VPN connection as soon as you connect to the Wi-Fi ("The Pros and Cons of Using Computer Tablets," 2011, p. 1)

One of the most important contributions to communication is the invention of radio communication. It has provided a platform for wireless cellular communication. According to an article, it was first believed that ‘The wireless telephone will also cover the seas, lakes and waterways, supplementing the wireless telegraph over short distances’ (Burt, 1908, para. 3). If only he knew that wireless telegraph will become a thing of the past. The first effective radio communication system was developed by Guglielmo Marconi, an Italian inventor, and scientist (Guglielmo Marconi Biography, n.d.). Marconi never had any formal scientific education (Bababian, 1992), but ‘has been the recipient of honorary doctorates of several universities’ (Guglielmo Marconi - Biographical, 2013, para. 8). He began experimenting with electromagnetic waves in 1894 when he was twenty years old. However, ‘Nikola Tesla is now credited with being the first person to patent radio technology; the Supreme Court overturned Marconi's patent in 1943 in favour of Tesla. (Bellis, n.d., para. 6) ’.

The evolution of wireless and mobile technologies have enabled businesses to remain operative and profitable in a very competitive workplace environment. From just a decade ago, there has been a paradigm shift from direct, face to face communication to more interaction with capabilities from any place, at any time using any device. At an unprecedented pace than ever before businesses are reliant upon eCommerce and eBusiness strategies utilizing wireless and mobile technologies. This is coupled with the need to allow employees workplace flexibility from more secured business and personal smartphone or computing devices.

The best technology system for the Naval Academy would be the 802.11a standard. It has 54 Mbps throughput capability as well as adequate range, sufficient for classroom use. Since the 54 Mbps is shared amongst all users, it would allow, at a minimum, 2 Mbps for each user in a class of 20 midshipmen operating simultaneously. It also has higher data rates at comparable distances

Car to car communication is a leading technology that may hit the market in upcoming two –three years .The technology that warns for imminent collision will be in cars soon and it will help car to transit their position, speed, steering wheel position and other data with other cars within 100 meters. Many cars have tools that use radar or ultrasound to identify the hurdle but the range of sensor is limited to certain length and they can’t detect the obstacle. So this technology which use higher-level technology which can be helpful in many prospects. Technologies thatC2C Communication uses are Dedicated short range communication (DSRC), Wireless LAN, GPRS, CLOUD, Mesh Network, This technology is reviewed by MIT and General

The rectangular microstrip patch antenna on the unity permittivity substrate within the internal U-shaped slot. Recently, the researchers had proposed the similar design on the microwave substrate, that was better preserve the thin profile characteristics. These researches had focused the almost entirely on the top plate of the antenna element, while the effect of the size of the ground plane on which they are mounted had not been the fully studied. According to the published literature reducing the size of the ground plane and the making of the ground plane resonate at the desired frequency, both the bandwidth enhancement and the size reduction could be

Many households across the United States are using internet systems. Wireless internet connections can be found in almost every home. This makes access to the net simpler than ever. Consequently, the connection is not always the most reliable. Individuals that play online video games understand wireless connections are not as dependable as a hard wired connection. These WIFI connections tend to become overwhelmed when there are multiple devices sharing the same connection. For this reason, the result will be lagging, buffering, or complete signal loss. Many manufactured devices have the compatibility of wired connection use. Smart televisions, desktop computers, video game platforms, laptop computers and smart blu ray players are some

Antennas are key components of any wireless communication system and it is a device that provides a way for radiation or receiving electromagnetic waves. IEEE standard definitions for antenna (IEEE Std 145-1983) defines antenna as a means for radiating or receiving radio wave. Figure 3.1 shows an antenna as transition device. The arrows displayed in Figure 3.1 shows the electric field lines

Line feeding technique of microstrip antenna are also attracted researchers because of several advantages over other feeding techniques. Since the feed layout and patches could be etched on one board, it could makes the fabrication easier. The level of the input impedance are easily controllable. Line patches of microstrip had bandwidth and gain characteristics which is relatively narrow. These techniques are also suffers from poor surface wave efficiency and the relatively high spurious feed radiation .

The main aim of this paper is to give overview on Micro strip patch antenna design using different defected ground structures for improving the performance parameters of the antenna such as Gain, Directivity, and Voltage Standing Wave Ratio. Return Loss. By giving proper patch length ,patch width, substrate material such as FR4 with dielectric constant 4.4 and thickness 1.6mm,boundary material such as Vacuum/air, most important the patch material such as nickel and by adding array with DGS we can improve the performance of patch antenna.