What is Wireless?
Electromagnetic waves rather than some form of wire or cable
Enable individuals to conduct mobile computing
Wireless – No Wire
Mobile – Changes its location over time
Advantages:
Small enough
Sufficient computing power
Communicative wirelessly
Ⅰ. 무선 랜(무선LAN)의 개요
1. 무선 랜의 전파에 대해서
무선LAN은 전파를 사용하여 Data를 송수신 하므로 유선LAN에 비해 Noise에 영향을 받기 쉽다. 노이즈 영향을 피하게 위해서 [직접확산 스페트럼 확산 방식]이라는 통신방식을 사용한다. 이 방식은 군사용의 통신기술에 이용된 것으로 GPS(위치측정
As well as this fantastically developed technology of wireless technology, we can come up with similar but striking idea to this newly introduced one. We are actually accustomed to this sort of wireless technology as we are constantly using our wireless phones (cell phone) in our everyday lives. But there are two dimension of problem. One thing is that the wireless technology has weakness to secu
It is based on the principle of resonant magnetic induction.
Its coil generates a magnetic field at a frequency that will resonate with a second coil in a device.
Ⅰ. Rapid and widespread growth of mobile technology in the 21st century
ex) Dr pepper and Seven Up inc
Ⅱ. Companies worldwide are going mobile
ex) United Parcel Service, FedEx
Power of Distribution
Nokia hold a dominant position in mobile communication business due to huge amount of transaction. It provides products at a suitable time and place using global supply chain management system. It also dominates an emerging market such as Indonesia and China ahead of other competitors so it could get low price mobile phone market.
Actively Using Outsourcing
Nokia could
wireless-local area networks (Wi-Fi networks)
NOS
(Network Operating System)
software : Microsoft Windows Server, Linux, Novell Net Ware
Connection Point (between the computers)
Hubs
Simple devices that connect network components, sending a packet data to all other connected devices
Switch
Switch can filter and forward data to a specified destination on the networ
(1)Apple Inc
Apple has made personal PC and OS
This factor can effectively recognize and cope with customer’s demand
It is important not also follow-up service AS, but also continuous developing related apps, OS upgrade
(2)Designe and easy using
Innovative UI (User Interface)
Many Apps that we needed is already in App store
Just one your finger can works apps
Attractive design
Mi
1. 이동통신의 개요
1-1 이동통신이란
무선통신이란 공간을 전송매체로 하는 통신으로 송신측에서 정보신호를 전자파에 실어서 공간에 방사하고 수신측에서는 공간을 거쳐 전송되어온 전자파를 수신하여 원래의 신호를 검출하는 방식의 통신이다. 또한 전파를 매체로 해서 통신하기 때문에 사
transferred to the TOPIS Center through wireless communications network. The TOPIS Center processes the collected data and provides real-time bus operations information.
The data collected through BMS is then transferred to the TOPIS Center where data is processed and passed to the end users through various means. The end users include the bus drivers, manager of the TOPIS Center, relevant depar
Chapter 5
5.5. What generic business model is your company pursuing? How has it formulated and implemented a set of business-level strategies to pursue this business model?
Aside from it cost-reduction strategy, Ryanair has also been able to use Porter’s generic strategies to position itself in the marketplace. Accordingly, a company positions itself by leveraging its strengths. Today, mo