Agile application-aware adaptation for mobility
Proceedings of the sixteenth ACM symposium on Operating systems principles
Link Triggers Assisted Optimizations for Mobile IPv4/v6 Vertical Handovers
ISCC '05 Proceedings of the 10th IEEE Symposium on Computers and Communications
Software-defined radio: basics and evolution to cognitive radio
EURASIP Journal on Wireless Communications and Networking
Routing and link-layer protocols for multi-channel multi-interface ad hoc wireless networks
ACM SIGMOBILE Mobile Computing and Communications Review
International Journal of Network Management
A cautionary perspective on cross-layer design
IEEE Wireless Communications
IEEE Communications Magazine
MAC intelligence for adaptive multimedia in 802.11 networks
IEEE Journal on Selected Areas in Communications
Link quality analysis and measurement in wireless mesh networks
Ad Hoc Networks
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We present the Unified Link Layer API (ULLA) framework: an open and extensible API framework that incorporates a number of requirements related to a wide range of applications, including multi-mode and cross-layer optimisation scenarios. This work has been mainly motivated by the complexity and interoperability problems related to the large number of wireless APIs available today. ULLA provides database and object oriented service abstractions to applications through a generic query mechanism, a method to setup asynchronous notifications and a command interface. It encapsulates link level heterogeneity by defining a unified model for link technologies. We describe design details, various implementation options and discuss how the proposed ULLA design provides an extensible, scalable and platform independent framework, enabling seamless link access and control in various types of device platforms. Application programming using ULLA is illustrated using code examples. Numerous usage scenarios for ULLA are presented, highlighting unified access to heterogeneous link standards while encouraging application innovation.