Differential overlapping pulse position modulation in optical direct-detection channel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

We propose differential overlapping pulse position modulation (DOPPM) in optical direct-detection channel to achieve higher capacity and cutoff rate than pulse position modulation (PPM), differential PPM (DPPM) or overlapping PPM (OPPM) when the bandwidth and the average power of the channel are constrained. In order to achieve higher throughput, the proposed modulation scheme allows more than one pulse-positions per pulsewidth over DPPM. In DOPPM the slots after the optical pulse in the block are deleted by using differential technique and the next symbol starts just after the optical pulse of the previous symbol. To avoid frame synchronization problems, we analyze the performance of DOPPM under the window scheme that causes the degradation on the performance of DOPPM but is easy to analyze. We analyze both the capacity and the cutoff rate of DOPPM under this scheme. It is shown that DOPPM has higher capacity and cutoff rate than PPM, DPPM and OPPM when the average received number of photons per slot is somewhat large.

Original languageEnglish
Title of host publicationConference Record - International Conference on Communications
PublisherPubl by IEEE
Pages680-684
Number of pages5
Volume2
ISBN (Print)0780318269
Publication statusPublished - 1994
EventProceedings of the 1994 IEEE International Conference on Communications - New Orleans, LA, USA
Duration: 1994 May 11994 May 5

Other

OtherProceedings of the 1994 IEEE International Conference on Communications
CityNew Orleans, LA, USA
Period94/5/194/5/5

Fingerprint

Pulse position modulation
Laser pulses
Synchronization
Photons
Throughput
Modulation
Bandwidth
Degradation

ASJC Scopus subject areas

  • Media Technology

Cite this

Ohtsuki, T., Sasase, I., & Mori, S. (1994). Differential overlapping pulse position modulation in optical direct-detection channel. In Conference Record - International Conference on Communications (Vol. 2, pp. 680-684). Publ by IEEE.

Differential overlapping pulse position modulation in optical direct-detection channel. / Ohtsuki, Tomoaki; Sasase, Iwao; Mori, Shinsaku.

Conference Record - International Conference on Communications. Vol. 2 Publ by IEEE, 1994. p. 680-684.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ohtsuki, T, Sasase, I & Mori, S 1994, Differential overlapping pulse position modulation in optical direct-detection channel. in Conference Record - International Conference on Communications. vol. 2, Publ by IEEE, pp. 680-684, Proceedings of the 1994 IEEE International Conference on Communications, New Orleans, LA, USA, 94/5/1.
Ohtsuki T, Sasase I, Mori S. Differential overlapping pulse position modulation in optical direct-detection channel. In Conference Record - International Conference on Communications. Vol. 2. Publ by IEEE. 1994. p. 680-684
Ohtsuki, Tomoaki ; Sasase, Iwao ; Mori, Shinsaku. / Differential overlapping pulse position modulation in optical direct-detection channel. Conference Record - International Conference on Communications. Vol. 2 Publ by IEEE, 1994. pp. 680-684
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