principles and practice 2nd edition t s rappaport

... st ar Different systems have different policies and methods for managing handoff requests Some systems handle handoff requests in the same way they handle originating calls In such systems, the ... cellular systems The faster handoff process supports a much greater range of options for handling high speed and low speed users and provides the MSC with substantial time to “rescue” a call that is ... version of the user s signal to pass along to the PSTN at any instance [Pad94] The ability to select between the instantaneous received signals from a variety of base stations is called soft handoff...

Ngày tải lên: 21/01/2016, 12:41

... Standards and Standards-Setting Organizations D.1 The Importance of Standards D.2 Internet Standards and the Internet Society D.3 National Institute of Standards and Technology Appendix E Basic ... a terminal to a host, two aspects are involved First, at the time of connection initiation, the service assures that the two entities are authentic, that is, that each is the entity that it claims ... message is sent from a customer to a stockbroker with instructions for various transactions Subsequently, the investments lose value and the customer denies sending the message Although this list by...

Ngày tải lên: 07/12/2013, 11:53

... numbers or letters, such that the sequence appears random and passes certain statistical tests that indicate that the sequence has the properties of randomness If a statistically random sequence is ... examples of transmissions that can be monitored Active attacks include the modification of transmitted data and attempts to gain unauthorized access to computer systems 1.3 Passive attacks: release ... process is carried out at the two end systems The source host or terminal encrypts the data; the data in encrypted form are then transmitted unaltered across the network to the destination terminal...

Ngày tải lên: 28/03/2014, 20:20

... SYSTEMS 17 1.3 TYPES OF DISTRIBUTED SYSTEMS Before starting to discuss the principles of distributed systems, let us first take a closer look at the various types of distributed systems In the ... distinction between distributed computing systems, distributed information systems, and distributed embedded systems 1.3.1 Distributed Computing Systems An important class of distributed systems ... important goal of a distributed system is to hide the fact that its processes and resources are physically distributed across multiple computers A distributed system that is able to present itself to...

Ngày tải lên: 04/12/2015, 18:30

... consideration c.identifies the accounting issues that are the most important d.requires that all accountants must receive a copy of financial standards The purpose of the Emerging Issues Task Force is ... informa-tion to interested parties on financial reporting issues In the House of GAAP, is the following on the highest level of authoritative status (meaning among the most authoritative)? FASB StatementFASB ... Accounting Standards Board employs a "due process" system which a.is an efficient system for collecting dues from members b.enables interested parties to express their views on issues under consideration...

Ngày tải lên: 10/03/2017, 10:44

... communication patterns does word-of-mouth play the most important role? A) business to business B) business to business to consumer C) business to consumer D) consumer to business E) business to consumer ... associations, hospitals, orchestras, museums, and religious institutions advertise for customers, members, volunteers, and donations and other forms of program participation using which major type ... by at least 50 percent of the target audience D) The advertising results in increased sales E) The advertising media exposure was purchased at the lowest possible cost to reach the target audience...

Ngày tải lên: 13/03/2017, 08:19

... wholesalers to distribute its products to other businesses, but now it also sells directly to its business customers through its website This is an example of the largest and most important type ... companies setting up design and production facilities in the United States True False If a business 's costs and expenses are greater than its revenue, it will suffer a loss True False Businesses and ... permitting businesspeople to conduct business without the use of contracts establishing a currency that 's tradable in world markets When businesses sell to other businesses over the Internet, these...

Ngày tải lên: 16/03/2017, 10:19

... mail, but the message is different from that of national and retail advertising in that it tries to stimulate a sale directly; (4) Business-to-Business Advertising It is sent from one business to ... necessarily sufficient Effective ads are ones that satisfy consumers' objectives by engaging them with a relevant message that catches their attention, speaks to their interests, and remains in their ... marketing communication patterns does wordof-mouth play the most important role? A) business to business B) business to business to consumer C) business to consumer D) consumer to business E) business...

Ngày tải lên: 20/03/2017, 15:57

... also gives us a way to express ourselves in terms of our personalities and sense of style through the things we wear and use True False The advertising strategy of status appeal is used to persuade ... products and services True False Direct-response advertising tries to stimulate a sale directly True False Advertising sent from one business to another is known as direct-response advertising True ... advertising in that it tries to stimulate a sale directly (4) Business-to-Business Advertising-Sent from one business to another and is not directed at general consumers (5) Institutional Advertising (a.k.a...

Ngày tải lên: 20/03/2017, 15:58

... to the same understanding: research is as much about the process of answering questions as it is about the answers themselves Sometimes it is impossible to find an answer, and we just the best ... exists between those who produce abstract theories about practice and those who produce personal theories from within practice The tendency for the abstract theorists is still to talk about practice ... particular desires and interests In this view, knowledge is always constituted of human interests Habermas categorised personal–social practices in terms of three broad sets of interests: the technical,...

Ngày tải lên: 11/04/2017, 08:56

... product from the testes and the main androgen in the blood, from several tonnes of bull testes The term testosterone, coined by this Dutch group, combines testo = testes, ster = sterol, and one ... hypogonadism For a critical statement about testosterone therapy see reference 60 The story of testosterone is unending Astonishingly, the first paper describing the conversion of testosterone to the ... product testosterone increasingly attracted the interest of scientists who were investigating the aging process The first considerations regarding the relationship between hormone production and the...

Ngày tải lên: 06/03/2014, 00:22

... product from the testes and the main androgen in the blood, from several tonnes of bull testes The term testosterone, coined by this Dutch group, combines testo = testes, ster = sterol, and one ... hypogonadism For a critical statement about testosterone therapy see reference 60 The story of testosterone is unending Astonishingly, the first paper describing the conversion of testosterone to the ... product testosterone increasingly attracted the interest of scientists who were investigating the aging process The first considerations regarding the relationship between hormone production and the...

Ngày tải lên: 14/03/2014, 23:20

... throughout the corporate structure B A shift from producer to customer emphasis C An increased awareness of production and distribution costs D Satisfied customers become the essential corporate goal ... in existing products D Lower production costs to increase profits Businesses that are driven by the market, base their segmentation analysis on: A Customer differences that have implications for ... directly to the sales of their products C Companies achieve their profits through the satisfaction of the consumer D Companies sell their products to specific target markets Building relationships is...

Ngày tải lên: 13/03/2017, 16:06

... Nevertheless, the point is that if public sector and nonpro t organisations really wish to achieve their vision and mission statements, they must first identify, and then satisfy, their customers’ ... tailored to deliver benefits that satisfy the needs of different market segments; reach and attract the attention of the target audience and make access to the products and services easy, at prices that ... particularly in facilitating diffusion and adoption Marketing and business Just as business in general relies on marketing tools to attract (and satisfy) customers, so too does the business of social...

Ngày tải lên: 14/08/2013, 13:51

... out a polling signal through one of the BeiDou satellites to a subset of users These users respond to this signal by transmitting a signal through at least two of the system s three geostationary ... broadcast from two modernized satellites referred to as the GLONASS-M These two satellites are reported to be test flight satellites There are plans to launch a total of GLONASS-M satellites The ... Network (TRAN) is investigating the use of ground-based communications systems to rebroadcast EGNOS data to those maritime users with limited visibility to EGNOS geostationary satellites Visibility...

Ngày tải lên: 27/10/2013, 15:59

... operations or sand/gravel extraction The Convention fails to establish specific control standards or set specific targets and timetables for regulatory actions.53 Moreover, it leaves wide discretion ... services due to lack of training or on-site technical assistance is a common problem throughout the Arctic The project proposal, besides suggesting a firstphase demonstration project to assist ... considered and mitigation measures discussed However, the Convention also displays several weaknesses, raising questions as to how precautionary and anticipatory actual state practice will be The...

Ngày tải lên: 01/11/2013, 09:20

... Importing a Style Sheet from Within HTML Embedded Style Settings Using IDs Using Classes CSS Rules Using Semicolons Multiple Assignments Using Comments Style Types Default Styles User Styles External ... External Style Sheets Internal Styles Inline Styles CSS Selectors The Type Selector The Descendant Selector The Child Selector The Adjacent Sibling Selector The ID Selector The Class Selector The Attribute ... Expressions Literals and Variables Operators Operator Precedence Associativity Relational Operators Conditionals The if Statement The else Statement The elseif Statement The switch Statement The...

Ngày tải lên: 01/11/2013, 09:57

... degrees above the eastern horizon when the first stars are seen after sunset It is then apparent that the Sun must shift its position against the stellar background as time passes The rate is slow ... with changes in the rising and setting directions of the Sun Six months after the Sun has risen between north and east and setting between north and west, it is rising between south and east and ... patterns A few nights’ observations of the Moon s position against the stars (its sidereal position) show that it too moves but at a much faster rate, about thirteen degrees per day, so that it...

Ngày tải lên: 19/01/2014, 13:28

... patients with unilateral placenta This indirectly suggests that in most patients the anatomic anastomoses of the uterine arteries are functional whereas in the rest are not The worst outcomes ... structures such as lower and upper extremities, gastrointestinal tract, kidneys and progressively all other structures with the exception of the adrenals, the heart and the brain This increase in the ... requires that one know the angle of insonation (the angle formed by the vessel axis and the incident beam) This is not possible in the small and tortuous placental and uterine vessels The perfusion...

Ngày tải lên: 13/02/2014, 06:20

... rests on passwords Users want to choose easy to remember passwords, but this makes it easier for Trudy to guess passwords—as discussed in Chapter An obvious solution is to assign strong passwords ... counts of the first two letter, Trudy might reasonably guess (correctly, as it turns out) that the first word of the plaintext is “the.” Making these substitutions into the remaining ciphertext, she ... passwords to users However, this is almost certain to result in passwords written on post-it notes and posted in prominent locations, making the system less secure than if users were allowed to choose...

Ngày tải lên: 14/02/2014, 08:20