Digital Communication Systems using MATLAB and Simulink

Digital Communication using MATLAB and Simulink is intended for a broad audience. For the student taking a traditional course, the text provides simulations of the MATLAB and Simulink systems, and the opportunity to go beyond the lecture or laboratory and develop investigations and projects. For the professional, the text facilitates an expansive review of and experience with the tenets of digital communication systems.

Digital Communication Systems using MATLAB and Simulink

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Here you’ll find one key to the development of a successful information system: Clearly capture and communicate both the abstract and concrete building blocks of data that describe your organization.

In 1995, David Hay published Data Model Patterns: Conventions of Thought – the groundbreaking book on how to use standard data models to describe the standard business situations. Enterprise Model Patterns: Describing the World builds on the concepts presented there, adds 15 years of practical experience, and presents a more comprehensive view.

You will learn how to apply both the abstract and concrete elements of your enterprise’s architectural data model through four levels of abstraction:

Level 0: An abstract template that underlies the Level 1 model that follows, plus two meta models:

Information Resources. In addition to books, articles, and e-mail notes, it also includes photographs, videos, and sound recordings.
Accounting. Accounting is remarkable because it is itself a modeling language. It takes a very different approach than data modelers in that instead of using entities and entity classes that represent things in the world, it is concerned with accounts that represent bits of value to the organization.

Level 1: An enterprise model that is generic enough to apply to any company or government agency, but concrete enough to be readily understood by all. It describes:

People and Organization. Who is involved with the business? The people involved are not only the employees within the organization, but customers, agents, and others with whom the organization comes in contact. Organizations of interest include the enterprise itself and its own internal departments, as well as customers, competitors, government agencies, and the like.
Geographic Locations. Where is business conducted? A geographic location may be either a geographic area (defined as any bounded area on the Earth), a geographic point (used to identify a particular location), or, if you are an oil company for example, a geographic solid (such as an oil reserve).
Assets. What tangible items are used to carry out the business? These are any physical things that are manipulated, sometimes as products, but also as the means to producing products and services.
Activities. How is the business carried out? This model not only covers services offered, but also projects and any other kinds of activities. In addition, the model describes the events that cause activities to happen.
Time

Level 2: A more detailed model describing specific functional areas:

Facilities
Human Resources
Communications and Marketing
Contracts
Manufacturing
The Laboratory

Level 3: Examples of the details a model can have to address what is truly unique in a particular industry. Here you see how to address the unique bits in areas as diverse as:

Criminal Justice. The model presented here is based on the Global Justice XML Data Model (GJXDM).
Microbiology
Banking. The model presented here is the result of working for four different banks and then adding some thought to come up with something different from what is currently in any of them.
Highways. The model here is derived from a project in a Canadian Provincial Highway Department, and addresses the question “what is a road”?