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New algorithms for the soft-decision and the hard-decision maximum likelihood decoding (MLD) for binary linear block codes are proposed. It has been widely known that both MLD can be regarded as an… (More)

- Daisuke Ikegami
- Ann. Pure Appl. Logic
- 2006

For a large natural class of forcing notions, we prove general equivalence theorems between forcing absoluteness statements, regularity properties, and transcendence properties over L and the core… (More)

- Johan van Benthem, Daisuke Ikegami
- Pillars of Computer Science
- 2008

We show that propositional dynamic logic and the modal µ-calculus are closed under product modalities, as defined in current dynamic-epistemic logics. Our analysis clarifies the latter systems, while… (More)

- Daisuke Ikegami
- 2003

- Daisuke Ikegami
- Arch. Math. Log.
- 2009

We show that $${{\bf \Sigma}^1_3}$$-absoluteness for Sacks forcing is equivalent to the non-existence of a $${{\bf \Delta}^1_2}$$ Bernstein set. We also show that Sacks forcing is the weakest forcing… (More)

- Yuichi Kaji, Daisuke Ikegami
- Proceedings IEEE International Symposium on…
- 2002

A new algorithm for the soft-decision decoding of linear block codes is proposed. The algorithm uses the technique of the ordered-statistics decoding proposed by Fossorier and Lin (1995) to estimate… (More)

- Daisuke Ikegami, Hidenori Nakazato, Koichi Asatani, Hideyoshi Tominaga
- GLOBECOM '03. IEEE Global Telecommunications…
- 2003

The demand to access multimedia data such as live video is increasing due to the spread of broadband access network. However, the Internet only provides so called best-effort service. The network… (More)

- Daisuke Ikegami, Hidenori Nakazato, Koichi Asatani, Hideyoshi Tominaga
- IEEE International Conference on Communications…
- 2004

The demand to access multimedia data such as live video is increasing due to the spread of broadband access network. However, the Internet only provides the so called best-effort service. The network… (More)

- Hidefumi Ohsugi, Daisuke Ikegami, Tomonori Kitamura, Takayuki Hibi
- Adv. Appl. Math.
- 2003

The combinatorics of reduced Grobner bases of certain zero-dimensional ideals, which arise when Grobner basis technique is applied to the soft-decision maximum likelihood decoding of binary linear… (More)

- Takagi Shin'ichi, Akihisa Kodate, +12 authors Hideyoshi Tominaga
- 2001