Quality of Service in WiMAX and LTE Networks

被引:86
作者
Alasti, Mehdi [1 ]
Neekzad, Behnam [1 ]
Hui, Jie
Vannithamby, Rath
机构
[1] Clearwire, Kirkland, WA USA
关键词
Quality of service; Bandwidth; Delay; Internet; Resource management; Real time systems; WiMAX;
D O I
10.1109/MCOM.2010.5458370
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];
摘要
A quality of service framework is a fundamental component of a 4G broadband wireless network for satisfactory service delivery of evolving Internet applications to end users, and managing the network resources. Today's popular mobile Internet applications, such as voice, gaming, streaming, and social networking services, have diverse traffic characteristics and, consequently, different QoS requirements. A rather flexible QoS framework is highly desirable to be future-proof to deliver the incumbent as well as emerging mobile Internet applications. This article highlights QoS frameworks and features of OFDMA-based 4G technologies - IEEE 802.16e, IEEE 802.16m, and LTE - to support various applications' QoS requirements. A few advanced QoS features such as new scheduling service (i.e., aGP), quick access, delayed bandwidth request, and priority controlled access in IEEE 802.16m are explained in detail. A brief comparison of the QoS framework of the aforementioned technologies is also provided.
引用
收藏
页码:104 / 111
页数:8
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