By Aaron Maasho ADDIS ABABA (Reuters) – Ethiopias state-run Ethio Telecom said on Thursday it had picked Huawei Technologies Co Ltd, the worlds second largest telecom equipment maker, to roll out a high-speed 4G network across the capital Addis Ababa. The introduction of the service is part of a $1.6 billion deal signed in July and August between the Ethiopian firm, Huawei and ZTE, Chinas second-biggest telecoms equipment maker, to expand mobile phone infrastructure throughout the Horn of Africa country. In terms of allocation, Huawei will be responsible for the expansion of 4G in Addis Ababa, including other mobile services – the 2G, 3G, IP and the like, Abdurahim Ahmed, Ethio Telecoms head of communications, told Reuters.