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