Exploiting IEEE802.11n MIMO Technology for Cost-Effective Broadband Back-Hauling.- Review of Power Line Communications Standards in Africa.- Simulation of wireless sensor node transmission over a multiple access channel.- Communication Costs and Trade in Sub Saharan Africa: A Gravity Approach.- On Software-defined Networking for Rural Areas: Controlling Wireless Networks with OpenFlow.- Thought Leadership in e-Governance, e-Infrastructure, and e-Business in Africa.- Towards Securing Communications in Infrastructure-poor Areas.- A Pairing-free Public Key Encryption with Keyword Searching for Cloud Storage Services.- A Pairing based Authentication and Key Establishment Scheme for Remote Patient Monitoring Systems.- Security analysis of some output of RC4 Cryptosystem.- Sustainable ICT4D in Africa: Where Do We Go From Here?.- Improving Rural Emergency Services with Cognitive Radio Networks in Sub-Saharan Africa.