| Publisher | University of Maryland | ||
|---|---|---|---|
| Format | 242.0KB PDF | Date added | 19 May 2009 |
| Topics | Wi-Fi (802.11), VoIP - IP Telephony, Wireless LAN | ||
| Downloads | 28 | ||
The 802.11 IEEE Standard has enabled low cost and effective Wireless LAN services (WLAN). With the sales and deployment of WLAN based networks exploding, many people believe that they will become the fourth Generation cellular system (4G) or a major portion of it. However, the small cell size of WLAN creates frequent hand-offs for mobile users. If the latency of these hand-offs is high, as previous studies have shown, then the users of synchronous multimedia applications such as Voice over IP (VoIP) will experience excessive jitter. The dominating factor in WLAN hand-offs has been shown to be the discovery of the candidate set of next access points.
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