SEP Analysis of 1-Bit Quantized SIMO Systems with QPSK over Fading Channels
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866918153029681152 |
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| author | Ravinath, Amila Ding, Minhua Gouda, Bikshapathi Atzeni, Italo Tölli, Antti |
| author_facet | Ravinath, Amila Ding, Minhua Gouda, Bikshapathi Atzeni, Italo Tölli, Antti |
| contents | The average symbol error probability (SEP) of a 1-bit quantized single-input multiple-output (SIMO) system is analyzed under Rayleigh fading channels and quadrature phase-shift keying (QPSK) modulation. Previous studies have partially characterized the diversity gain for selection combining (SC). In this paper, leveraging a novel analytical method, an exact analytical SEP expression is derived for a 1-bit quantized SIMO system employing QPSK modulation at the transmitter and maximum ratio combining (MRC) at the receiver. The corresponding diversity and coding gains of a SIMO-MRC system are also determined. Furthermore, the diversity and coding gains of a 1-bit quantized SIMO-SC system are quantified for an arbitrary number of receive antennas, thereby extending and complementing prior results. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_01707 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | SEP Analysis of 1-Bit Quantized SIMO Systems with QPSK over Fading Channels Ravinath, Amila Ding, Minhua Gouda, Bikshapathi Atzeni, Italo Tölli, Antti Signal Processing The average symbol error probability (SEP) of a 1-bit quantized single-input multiple-output (SIMO) system is analyzed under Rayleigh fading channels and quadrature phase-shift keying (QPSK) modulation. Previous studies have partially characterized the diversity gain for selection combining (SC). In this paper, leveraging a novel analytical method, an exact analytical SEP expression is derived for a 1-bit quantized SIMO system employing QPSK modulation at the transmitter and maximum ratio combining (MRC) at the receiver. The corresponding diversity and coding gains of a SIMO-MRC system are also determined. Furthermore, the diversity and coding gains of a 1-bit quantized SIMO-SC system are quantified for an arbitrary number of receive antennas, thereby extending and complementing prior results. |
| title | SEP Analysis of 1-Bit Quantized SIMO Systems with QPSK over Fading Channels |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2510.01707 |