The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. ex. Some numerals are expressed as "XNUMX".
Copyrights notice
The original paper is in English. Non-English content has been machine-translated and may contain typographical errors or mistranslations. Copyrights notice
Kertas kerja ini membentangkan prestasi penghantaran sistem SSB isyarat separa tindak balas kelas-IV dan mencadangkan kaedah yang boleh meningkatkan kecekapan kuasanya. Kod talian yang tidak mempunyai komponen dc telah digunakan dalam penghantaran isyarat digital SSB. Jenis kod talian, seperti isyarat tindak balas separa, meningkatkan keadaan modulasi, dan akibatnya, mengurangkan kecekapan kuasa. Untuk mengatasi halangan ini, kaedah demodulasi baru yang dipanggil "penapis semula dan penggabungan" dicadangkan dengan andaian pengesanan fasa ortogon. Saluran kuadratur terdemodulasi ditapis semula oleh penapis Hilbert dan digabungkan dengan saluran dalam fasa. Ia disahkan oleh simulasi komputer bahawa kaedah demodulasi baharu meningkatkan prestasi BER dan peningkatan kecekapan kuasa sebanyak 3 dB diperoleh.
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Salinan
Yoichi SAITO, Takahiro YAMASAKI, Fumio TAKAHATA, "A New Method of Demodulating Digital SSB Signals" in IEICE TRANSACTIONS on Communications,
vol. E85-B, no. 10, pp. 2255-2262, October 2002, doi: .
Abstract: This paper presents the transmission performance of a class-IV partial-response signaling SSB system and proposes a method that can improve its power efficiency. A line code that has no dc component has been used in the SSB transmission of digital signals. The type of line code, such as a partial-response signaling, increases the modulation states, and as a result, decreases the power efficiency. To overcome this obstacle, a new demodulation method called "re-filtering and combining" is proposed on the assumption of orthogonal phase detection. The demodulated quadrature channel is re-filtered by a Hilbert filter and is combined with the in-phase channel. It is confirmed by computer simulations that the new demodulation method improves the BER performance and a 3 dB improvement of the power efficiency is obtained.
URL: https://global.ieice.org/en_transactions/communications/10.1587/e85-b_10_2255/_p
Salinan
@ARTICLE{e85-b_10_2255,
author={Yoichi SAITO, Takahiro YAMASAKI, Fumio TAKAHATA, },
journal={IEICE TRANSACTIONS on Communications},
title={A New Method of Demodulating Digital SSB Signals},
year={2002},
volume={E85-B},
number={10},
pages={2255-2262},
abstract={This paper presents the transmission performance of a class-IV partial-response signaling SSB system and proposes a method that can improve its power efficiency. A line code that has no dc component has been used in the SSB transmission of digital signals. The type of line code, such as a partial-response signaling, increases the modulation states, and as a result, decreases the power efficiency. To overcome this obstacle, a new demodulation method called "re-filtering and combining" is proposed on the assumption of orthogonal phase detection. The demodulated quadrature channel is re-filtered by a Hilbert filter and is combined with the in-phase channel. It is confirmed by computer simulations that the new demodulation method improves the BER performance and a 3 dB improvement of the power efficiency is obtained.},
keywords={},
doi={},
ISSN={},
month={October},}
Salinan
TY - JOUR
TI - A New Method of Demodulating Digital SSB Signals
T2 - IEICE TRANSACTIONS on Communications
SP - 2255
EP - 2262
AU - Yoichi SAITO
AU - Takahiro YAMASAKI
AU - Fumio TAKAHATA
PY - 2002
DO -
JO - IEICE TRANSACTIONS on Communications
SN -
VL - E85-B
IS - 10
JA - IEICE TRANSACTIONS on Communications
Y1 - October 2002
AB - This paper presents the transmission performance of a class-IV partial-response signaling SSB system and proposes a method that can improve its power efficiency. A line code that has no dc component has been used in the SSB transmission of digital signals. The type of line code, such as a partial-response signaling, increases the modulation states, and as a result, decreases the power efficiency. To overcome this obstacle, a new demodulation method called "re-filtering and combining" is proposed on the assumption of orthogonal phase detection. The demodulated quadrature channel is re-filtered by a Hilbert filter and is combined with the in-phase channel. It is confirmed by computer simulations that the new demodulation method improves the BER performance and a 3 dB improvement of the power efficiency is obtained.
ER -