Special Issue on Advanced Telecommunication Terminals ===================================================== . FOREWORD ....................................................... 1351 Yasuhiko YASUDA, Ichiro IIDA, Tomio KISHIMOTO, Makoto NAKAMURA, Hiroyuki OKAZAKI, and Kenji SUZUKI INVITED PAPER ============= . A Design of Communication Environment for Networked Multimedia Ecosystem ...................................................... 1353 Gen SUZUKI and Kazunori SHIMAMURA PAPERS ====== . Drawing Environment for Virtual Space .......................... 1358 Takashi KOUNO, Gen SUZUKI, and Minoru NAKANO . Novel Portable Computer Network for Face-to-Face Communication . 1365 Kazuaki IWAMURA, Akihiko SUGIKAWA, Yosuke TAJIKA, Fumihiko IKEGAMI,Yasuhiro MORIOKA, and Makoto NAKAMURA . Terminal Design for Audio-Visual Communication Services ........ 1372 Hisashi IBARAKI, Shizuo NAKANO, Dai ANDO, Naoya REN, and Yasuhiro TOMITA . Multimedia Notebook: Information Capturing Technologies for Portable Computers ...................................................... 1381 Ryuichi MATSUKURA, Motomitsu ADACHI, Soichi OKADA, Kyoko KAMIKURA,Yasuhide MATSUMOTO, and Tsuneo KATSUYAMA . A Portable Communication Terminal for Novices and Its User Interface Software ....................................................... 1387 Kiyoshi KATO and Hitoshi MIYAI Regular Section =============== PAPERS ====== [Switching and Communication Processing] . An Architecture for Large-Scale Multicast ATM Switching with Hybrid Routing ........................................................ 1395 Supot TIARAWUT, Tadao SAITO, and Hitoshi AIDA [Communication Systems and Transmission Equipment] . Frequency Demodulation of Single Side-Band Signal with Carrier . 1403 Weimin SUN and Takashi YAHAGI [Communication Cable and Wave Guides] . Locating Large Gas Leaks in Pressurized Subscriber Cable Networks by Using an Electrical Network Analysis Technique ................. 1410 Kazutoki TAKEDA [Mobile Communication] . Outage Probability Analysis for Cellular Mobile Radio Systems Subject to Nakagami Fading and Shadowing ....................... 1416 C.TELLAMBURA and Vijay K.BHARGAVA LETTER ====== [Communication Cable and Wave Guides] . Scattering from a Folded Short in Parallel-Plate Waveguide ..... 1424 Jae W.LEE and Hyo J.EOM . ABSTRACTS (IEICE Trans., Vol.J78-B-I, J78-B-II No.10 in Japanese) ....................................................... 1427