Topology-aided cross-layer fast handoff designs for IEEE 802.11/mobile IP environments

2005 ◽  
Vol 43 (12) ◽  
pp. 156-163 ◽  
Author(s):  
Chien-Chao Tseng ◽  
Li-Hsing Yen ◽  
Hung-Hsin Chang ◽  
Kai-Cheng Hsu
Keyword(s):  
Ieee 802.11 ◽  
Mobile Ip ◽  
Cross Layer ◽  
Fast Handoff

scholarly journals Reliable Multicast Transport for Heterogeneous Mobile IP environment using Cross-Layer Information

2007 ◽  
Vol 3 (3) ◽  
pp. 187
Author(s):  
Ilka Miloucheva
Keyword(s):  
Quality Of Service ◽  
Mobile Ip ◽  
Cross Layer ◽  
Reliable Multicast ◽  
Seamless Handover ◽  
Ieee 802.21 ◽  
Application Requirements ◽  
Application Specific ◽  
Reliable Transport

Reliable multicast transport architecture designed for heterogeneous mobile IP environment using cross-layerinformation for enhanced Quality of Service (QoS) and seamless handover is discussed. In particular, application-specific reliable multicast retransmission schemes are proposed, which are aimed to minimize the protocol overhead taking into account behaviour of mobile receivers (loss of connectivity and handover) and the specific application requirements for reliable delivery (such as carousel, one-to-many download and streaming deliverycombined with recording). The proposed localized retransmission strategies are flexible configured for tree-based multicast transport. Cross layer interactions in order to enhance reliable transport and support seamless handover is discussed considering IEEE 802.21 media independent handover mechanisms. The implementation is based on Linux IPv6 environment. Simulations in ns2 focusing on the benefits of the proposed multicast retransmission schemes for particular application scenarios are presented.

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