26 citations · 43 across the 8 of their papers we have counts for
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cs.IT2018★ 1 cited
Repeat-Accumulate Signal Codes
Manato Takai, Koji Ishibashi
State-constrained signal codes directly encode modulation signals using signal processing filters, the coefficients of which are constrained over the rings of formal power series.…
cs.IT2017
Optimized Frameless ALOHA for Cooperative Base Stations with Overlapped Coverage Areas
Shun Ogata, Koji Ishibashi, Giuseppe Abreu
Herein, we consider the problem of cooperative multi-access in the presence of overlapped coverage areas. Assuming a frameless ALOHA transmission scheme, we derive exact analytical…
cs.IT2017★ 26 cited
Wireless Power Transfer for Distributed Estimation in Sensor Networks
Vien V. Mai, Won-Yong Shin, Koji Ishibashi
This paper studies power allocation for distributed estimation of an unknown scalar random source in sensor networks with a multiple-antenna fusion center (FC), where wireless sens…