State of the Art in Cross-Layer Design for Cognitive Radio Wireless Networks

2009 ◽  
Author(s):  
Yanbing Liu ◽  
Qin Zhou
Keyword(s):  
Wireless Networks ◽  
Cognitive Radio ◽  
State Of The Art ◽  
Cross Layer ◽  
Cross Layer Design

scholarly journals PMIPv6 Assistive Cross-Layer Design to reduce handover latency in VANET Mobility for Next Generation Wireless Networks

2015 ◽  
Vol 7 (3) ◽  
pp. 1 ◽  
Author(s):  
Haider Noori AL-Hashimi ◽  
Waleed Noori Hussein
Keyword(s):  
Wireless Networks ◽  
Mobility Management ◽  
Heterogeneous Wireless Networks ◽  
Cross Layer ◽  
Cross Layer Design ◽  
Next Generation ◽  
Handover Delay ◽  
Next Generation Wireless Networks ◽  
Management Protocol ◽  
Management Schemes

VANET Networks are one of the main next generation wireless networks which are envisaged to be an integration of homogeneous and heterogeneous wireless networks. The inter-networking of these wireless networks with the Internet will provide ubiquitous access to roaming network users. However, a seamless handover mechanism with negligible handover delay is required to maintain active connections during roaming across these networks. Several solutions, mainly involving host-based localized mobility management schemes, have been widely proposed to reduce handover delay among homogeneous and heterogeneous wireless networks. However, the handover delay remains high and unacceptable for delay-sensitive services such as real-time and multimedia services. Moreover, these services will be very common in next generation wireless networks. Unfortunately, these widely proposed host-based localized mobility management schemes involve the vehicle in mobility-related signalling hence effectively increasing the handover delay. Furthermore, these schemes do not properly address the advanced handover scenarios envisaged in future wireless networks. This paper, therefore, proposes a VANET mobility management framework utilizing cross-layer design, the IEEE 802.21 future standard, and the recently emerged network-based localized mobility management protocol, Proxy Mobile IPv6, to further reduce handover delay.

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