Describe the wireless solutions that you would recommend for the following situations. Some situations may need multiple standards. Explain clearly.
(a) A person carries a PDA, laptop, bio-sensors, and wristwatch with
applications that are collaborative in nature and communicate with the
Internet.
(b) A salesman on the road needs to keep track of product inventories.
(c) A group of executives meet in a conference room and want to digitally exchange their business cards.
(d) A group of conference organizations needs to take “conflict of interest” into account while discussing conference submissions and making acceptance decisions.
(a) Use WPAN technology to communicate between the devices, and access the Internet using the WLAN or WMAN technology.
(b) Use WMAN technology, such as Ricochet to connect to the online product inventories.
(c) WLAN technology. By using IEEE 802.11 standard, we can build up the communication between their laptops or PDAs.
(d) We can try to integrate WLAN, WPAN, WBAN and cellular system, to set
up a heterogeneous wireless network to satisfy the different requirement of different groups or persons
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