1. Guest Editorial forWireless Networks

   Editorial Introduction Pages: 1 - 3

2. Closed-Form Estimators for Blind Separation of Sources – Part I: Real Mixtures

   • Vicente Zarzoso
   • Asoke K. Nandi

   OriginalPaper Pages: 5 - 28

3. Closed-Form Estimators for Blind Separation of Sources – Part II: Complex Mixtures

   • Vicente Zarzoso
   • Asoke K. Nandi

   OriginalPaper Pages: 29 - 48

4. Cross-Layer Design for Data Accessibility in Mobile Ad Hoc Networks

   • Kai Chen
   • Samarth H. Shah
   • Klara Nahrstedt

   OriginalPaper Pages: 49 - 76

5. XMIDDLE: A Data-Sharing Middleware for Mobile Computing

   • Cecilia Mascolo
   • Licia Capra
   • Wolfgang Emmerich

   OriginalPaper Pages: 77 - 103

6. On Increasing Service Accessibility and Efficiency in Wireless Ad-Hoc Networks with Group Mobility

   • Baochun Li

   OriginalPaper Pages: 105 - 123

7. Efficiency of the GSM-GPRS Air Interface for Real-Time IP Traffic Flows With and Without Packet Dropping

   • Jahangir H. Sarker
   • Seppo J. Halme

   OriginalPaper Pages: 125 - 140