Bibliografía: al final de cada artículo Notas: al pie de texto Departaments President's Message. p.3 Letter. p.4 Book review. p.5 News. p.7 Guest Editorial. p.8 SPECIAL ISSUES FEATURES Cooperation in 4G - Hype or ripe? / Mischa Dohler; Djamal Meddour; Sidi Senouci and Ahmed Saadani. p.13 Alien Revolt (2005 - 2007). A case study of the first location - based mobile game in Brazil / Adriana de Souza e Silva. p.18 A Novel dimension of cooperation in 4G / Usman Javaid; Tinku Rasheed; Djamal Meddour; Tooufik Ahmed and Neeli R. Prasad. p.29 Reputation systems for self - oraganized networks / Sonja Buchegger; Jochen Mundiger and Jean - Yves. p.41 Community building over neigbothood wireless mesh networks / Panayotis Antoniadis; Benedicte le Grand; Anna Satsiou; Leandros Tassiula; Rui L Agular; Joäo Paolo Barraca and Susana Sargento. p.48
