It is becoming increasingly important that support is provided for users who are dealing with
complex information spaces. The need is driven by the growing number of domains where …

Deployment of heterogeneous wireless networks is spreading throughout the world as users
want to be connected anytime, anywhere, and anyhow. Meanwhile, these users are …

One of the main challenges with 802.11 e EDCA is the configuration of the open parameters
of this mechanism, namely AIFS, CWmin, CWmax and TXOP_limit. In this paper, we address …

Deployment of next-generation networks (ie 4G) begins to spread throughout the world.
Today's emerging multimedia application has many requirements in terms of quality of …

近年来, 超三代移动通信系统的QoS 体系结构已成为计算机网络领域和通信领域的一个研究
热点. 调研了相关的主要研究项目, 通过对重点项目和国外该领域相关论文成果进行分析和比较 …

Next generation IP networks are envisioned to be heterogeneous, to provide a wide variety
of services, and to support mobility of users with distinct requirements. Moreover, mobile …

Future Internet will have to cope with yet unknown terminals and services (even users), in a
number and heterogeneity never seen before. So, flexibility or adaptability will be …

The dynamics of the wireless links represent serious problems in guaranteeing quality of
services (QoS). Combined with mobility, additional problems, arise like handoff delays and …

This article proposes a general customizable QoS scenario for heterogeneous wireless
access network technologies. The scenario provides robust and flexible QoS support by …

Emerging access networks will use heterogeneous wireless technologies such as 802.11,
802.16 or UMTS, to offer users the best access to the Internet. Layer 2 access networks will …