Research

Internet freedom monitoring in New Zealand

By Joy Liddicoat (November 2013, APC )

New Zealanders are generally free to express themselves online, while at the same there is a high degree of soft self-censorship. These are some of the findings of a new report produced by APC and funded by InternetNZ.

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Internet intermediary liability: Identifying best practices for Africa

By Nicolo Zingales (November 2013, APC )

Internet intermediary liability can have a significant deterrent effect on intermediaries’ willingness and ability to provide services, and therefore may end up hindering the development of the internet itself. For this reason, legislators around the globe have defined special “comfort zones” for the operation of intermediaries, also known as “safe harbours”, limiting the liability of such entities in specific sets of circumstances.

As this background paper illustrates, significant differences exist concerning the subjects of these limitations, their scope and their modes of operation. Nevertheless, international best practices can be identified that may provide useful guidance for the drafting or the improvement of the current legislation in a number of African countries.

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Intermediary liability in South Africa

By Alex Comninos (October 2012, APC )

This paper looks at the role of internet intermediaries in South Africa as well as their limitations on enabling communication and facilitating information flows and the recently placed policy focus on internet intermediaries.

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The liability of internet intermediaries in Nigeria, Kenya, South Africa and Uganda: An uncertain terrain

By Alex Comninos (October 2012, APC )

This paper is part of a research project conducted on intermediary liability in Nigeria, Kenya, South Africa and Uganda. The paper draws on the independent research conducted by in-country researchers. The research includes five reports, as well as blog posts.

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Intermediary liability in Africa: Baseline studies and summary report

By Various (October 2012, APC )
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Intermediary liability in Kenya

By Alice Munyua, Grace Githaiga and Victor Kapiyo (October 2012, APC )
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Intermediary liability in Nigeria

By 'Gbenga Sesan (October 2012, APC )

This paper looks at issues around intermediary liability and the legal and institutional environment in Nigeria, and draws conclusions based on these while making recommendations on how Nigeria can make the best of the on-going legislative processes that will define the liability of intermediaries.

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Intermediary liability in Uganda

By Ashnah Kalemera, Lillian Nalwoga and Wairagala Wakabi (October 2012, APC )

This paper explores regulations relevant to the responsibilities of intermediaries in Uganda. It cites incidences of content takedowns, attempts to block access to internet content, mobile content filtering and media persecutions, and the applicable sections of the law.

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Report on open governance network building in Uganda

By APC and CIPESA (April 2012, APC )

This report registers the process of the open governance network building achieved during the research process in Uganda. It describes advocacy and awareness raising developed through meetings and interviews with more than 30 individuals, the use of mailing lists and social media to create awareness about open governance, dissemination and advocacy for OGD and network development with key organisations.

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Crest Factor Reduction of an OFDM/WiMAX Network

By Sheila Mugala, Julius Butime, and Dorothy Okello (June 2012, Department of Electrical and Computer Engineering, School of Engineering, Art, Design and Technology (CEDAT), Makerere University, Uganda )

African countries lag behind the rest of the world in their use of Information and Communication Technologies (ICTs). To reduce the digital divide quickly and cost-effectively, wireless networks are considered. WiMAX (Worldwide Interoperability for Microwave Access) is a wireless broadband access technology that uses Orthogonal Frequency Division Multiplexing (OFDM) which is a multicarrier modulation scheme. OFDM presents a problem of a high crest factor or Peak to Average Power Ratio (PAPR). To circumvent this problem either High Power Amplifiers (HPAs) with large dynamic range or PAPR reduction techniques are used. The former scheme increases cost of the system while the latter introduces redundancy or distortion. A novel PAPR reduction scheme is presented. It is a combination of the ideas of Tone Reservation and Selected Mapping. The advantage of this scheme is that it has a lower complexity. It is simulated for a WiMAX system.

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