Foreword to the Design

The Design of Point-to-Point Microwave Communications was created for the full understanding of the subject Wireless Communications.

The students are expected to apply the lessons from their lecture and from their researches conducted for this study. The researchers were asked to make a design of microwave link with a minimum of thirty kilometers distance between the transmitter and receiver. The sites chosen to be wirelessly connected are Timberland Sports and Nature Club in San Mateo, Rizal and the Marketing Office of Filinvest Land Inc. in Alabang, Muntinlupa. Timberland Sports and Nature Club (TSNC) belongs to the Filinvest Land Inc.

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(FLI). One of FLI’s main offices is located in Alabang which is approximately thirty kilometers away from TSNC in San Mateo. The designers were able to determine the distances, geographical coordinates, ground elevation, obstruction, climate and other factors that must be considered. More information was collected to build a more comprehensive document for the readers. Tables and graphs for the related data and computations are provided to make a clearer presentation. Introduction to the SiteIn every organization, transfer speed of information is very vital in the operation.

If their information is fast, more work can be done and more objectives will be met. However, if data transmission is slow, less tasks can be accomplished and more time will be wasted. In a company with different branches, distance will be a problem for data transmission. Without any direct connections, it will be very difficult to share information between branches. Filinvest Land, Inc.

(FLI), a subsidiary of Filinvest Development Group, is one of the leading real estate developers in the Philippines.Timberland Sports and Nature Club (TSNC), a world-class, exclusive membership country club is one of the project of FLI. It is located in the highest crest of Timberland Heights, San Mateo Rizal. With its height and natural surroundings, urban access is limited. Communication is not one of its assets.

Setting up a link between a main office of Filinvest Land Inc. , and Timberland Sports and Nature Club is one solution for this problem. Using a microwave communication system can give way to the needed internet connection for data transmission in the said Club in San Mateo. By doing so, an inter-office connection will be made.Faster transactions and operations will be available for the company.

There will be a higher customer satisfaction, therefor more profit for the organization. Introduction to Microwave Microwave communication is the transmission of signals via radio using a series of microwave towers. Microwave communication is known as a form of “line of sight” communication, because there must be nothing obstructing the transmission of data between these towers for signals to be properly sent and received. The technology used for microwave communication was developed in the early 1940’s by Western Union.

The first microwave message was sent in 1945 from towers located in New York and Philadelphia. Following this successful attempt, microwave communication became the most commonly used data transmission method for telecommunications service providers. Microwave transmission is considered a ‘Line of Site’ technology. This is because the proper functioning of microwave transmission requires that the airspace between two microwave towers in clear of mountains, buildings, and other objects that could possibly block signals from being intercepted by the towers.Microwave transmission is limited by this need for a clear line of sight, in addition to being susceptible to attenuation by the atmosphere. For these reasons, microwave transmission is only widely used in areas inaccessible by LAN or other transport methods.

With the development of satellite and cellular technologies, microwave has become less widely used in the telecommunications industry. Fiber-optic communication is now the dominant data transmission method. However, microwave communication equipment is still in use at many remote sites where fiber-optic cabling cannot be economically installed.Microwave equipment can be used to transmit both analog and digital microwave signals.

Analog microwave transmission is often a more cost-effective solution for microwave site operators because it doesn’t require the purchase of any new equipment, or training staff on new transport systems. An additional benefit of familiar analog microwave transmission is that your operators know its exact transport capacity. Analog microwave communication may be most economical for use at your tower sites simply because it is already paid for and in service.

If you are already operating microwave equipment, it is most likely analog. To avoid having to retrain your operators, you may want to stick with the analog microwave communication equipment you already have. Because you’ve already gotten comfortable with this equipment, you’ve probably also learned its capabilities, so you’re unlikely to overburden your transport system with new digital equipment.

Digital microwave communication utilizes more advanced, more reliable technology. It is much easier to find equipment to support this transmission method because it is the newer form of microwave communication.Because it has a higher bandwidth, it also allows you to transmit more data using more verbose protocols.

The increased speeds will also decrease the time it takes to poll your microwave site equipment. This more reliable format provides for more reliable reporting with advanced communication equipment, while also allowing you to bring in your LAN connection when it becomes available at the site. Users of digital microwave transmission find it easier to obtain support and equipment for their systems, because digital transmission is the newest, most advanced form of microwave communication.Digital microwave transmission methods can support more verbose protocols, enabling increased data exchange along the microwave network. The increased speeds will also provide faster microwave system polls.

General Objectives The primary purpose of this study is to make a line-of-sight communication link between Filinvest Land Inc. in Alabang, Muntinlupa and Timberland Sports and Nature Club in San Mateo,Rizal. The design is expected to provide an interoffice connection through the use of internet. Other objectives under this thesis are stated: * To determine specific information for the sites To calculate related data for the selection of materials needed * To identify the characteristics of the location and environment and to describe its effect to the design * To select the proper equipment to be used for the design Finally, this design aims to give the students a short practice in creating a Microwave Link. Working with this project provides learning by applying the concepts learned from their classroom lectures, discussions and researches. Scope and Delimitation Microwave communication planning and design is the main focus of this study.It contains fundamental necessities for a practical design approach. This includes site selection, frequency planning, creating a path profile, link budget calculation, equipment specification, etc.

The link is provided for Filinvest Land Inc. , Marketing Office in Alabang, Muntinlupa and Timberland Sports and Nature Club in San Mateo, Rizal. This aims to give an internet connection for the area in the club in San Mateo. This can be used for interoffice communications between the two sites. Although Filinvest Land Inc. as many offices and properties, the project only targets to connect the said localities. This study is only for the purpose of learning the basic in planning and designing a Microwave Link. The information gathered about the sites is very limited due to lack of resources.

The researchers have not conducted any surveys, visits or any interaction with the companies involved. Ideal models are used in this design therefore the data gathered has some point which are not considered. The equipment, programs, and other materials in building the sites are not discussed in detail.The application and of internet to the company such as wireless network, electronic mail, voice-over-IP and the likes are not the concerns of the students. This study follows the basic procedures in planning and designing a point-to-point microwave link therefore, it is still a reliable source to be considered.

Significance of the Study Wireless networks and inter office systems are rapidly growing in business and companies all over. The convenience of these systems makes it easier to deliver messages from office to office as well as connecting all your computers to one another.Since Timberland Sports and Nature Club is a property of Filinvest Land Inc. , it must be connected to the main office which is in Alabang as chosen. Establishing this link will give a significant advantage for the company.

The researchers decided to provide a link for internet access for the area in Timberland Heights. The internet provides a lot of applications and uses for the users especially for a company. One main advantage for the company is the interoffice connection.

It will help communication in the office, but it can and will increase productivity of your business.The company may also use the internet to give their guests the access to the World Wide Web. It will give more interest to their customers thus will give them more profit. Internet can also be used in telephony. They can use this for their advancements and to follow future trends. The design is very flexible to changes and improvements because of the wide range of application it can give.

Building this microwave communication will make the company more productive with its data transmissions, meetings, orders and communications. They will also have more satisfied customers in the Sports and Nature Club by giving them a very convenient place.



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