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.    .