Abstract: Next generation very high-speed wireless LANs (WLANs), the physical (PHY) layer rate may reach 600 Mbps. To achieve high efficiency at the medium access control (MAC) layer, some fundamental properties that must be satisfied by any CSMA-/CA-based MAC layers and develop a novel scheme called aggregation with fragment retransmission (AFR). In AFR, multiple packets are aggregated into and transmitted in a single large frame. If errors happen during the transmission, only the corrupted ...
Electronic commerce e-commerce was often thought simply to refer to buying and selling using the Internet; people immediately think of consumer retail purchases from companies such as Amazon. But e-commerce involves much more than electronically mediated financial transactions between organizations and customers. Now it is broadally defined as "all types of electronic transactions between organizations and stakeholders whether they are financial transactions or exchanges of informaion or othe...
The report investigates the current state of the Mobile-commerce based on its security and examines the predicted future developments of the system. A brief background of the M-commerce and its applications is initially outlined. The discussion will then focus on the security issues and solutions based on the five security objectives (standards): Confidentiality, Authentication, Authorisation, Integrity and Non-repudiation. The applications of these security standards will then be applied on ...
E-Banking is a branch of E-Commerce that deals with the implementation of Information and Communication Technology in Business Financial Management. E-banking has come a very long way with millions spent on preparation of technological change just to make banking services accessible to their customers from anywhere, at anytime by just a click of the mouse. "E-commerce offers a level playing ground for large businesses, as well as small and medium-scale enterprises (SMEs) to operate in the glo...
The impact of e-commerce more on a global economy is well recognized. The main beneficiaries are Europe and United States, with countries such as India and China. Business-to-Business (B2B) e-commerce in fact the big players are pouring their associates into this model. Governments and inter-government agencies are functioning hard to facilitate the expansion of such transactions. The main aim of the research is how far the government is successful in the e-government process and whether the ...
We are living in the hyper connectivity era. Many people are on-line one way or the other either via Internet, Intranet, 2 G, 3 G, or WiFi. One of the most used connected devices of all time is the mobile phone. According to GS1,"there are over 3 billion mobile phones worldwide. This means that 40% of the world's population carries a mobile phone, far more than use a computer or have access to the internet. In many developed countries, mobile phone penetration is above 90% and developing coun...
E-Commerce or electronic commerce include those companies that provide products or services of any of the consumers or other companies via the Internet. Can be broken up e-commerce into two main categories: Online Purchasing: This work provides the customer with these technologies that make it easy for them to find the data and the purchase of goods. Online Shopping: This includes companies that provide information to customers so they can make a decision and buy a specific product E-Business...
Electronic commerce comprises of the selling and buying of the items, products and services through internet or intranet medium. Internet is most helpful and reliable medium to generate revenue and to attract potential customers. E-Commerce is a greatest invention in the field of trade as it has made the trade easy and customer friendly. E-Commerce is mostly depends upon virtual items to access websites. A huge proportion of E-commerce is carry out totally automatically for virtual items such...
This is the age of information and communication technology. Better communication and management with the use of information tech-neology is the leading concern of electronic revolution. In present information technology E-commerce has become a catchword. All forms of business can use this process to conduct operations through computer network and digital communication financial markets have all added to the pressure on organizations have pressure to response effectively to survive and succee...
The e-commerce revolutionized the way business is carried out. It transformed the traditional physical place of business with virtual location. This leads to various new digital payment concepts to evolve. "The recent advancement in mobile and wireless technology has freed consumers from the spatial and temporal constraints of traditional commerce." (Balasubramanian et al., 2002) Now there are many technologies available to customers to transact from anywhere at any time. The recent addition ...
