Error probabilities of fast frequency-hopped MFSK with noise-normalization combining in a fading channel with partial-band interference

Robertson, R.C.; Ha, T.T.

doi:10.1109/26.129202

Cited by 32 publications

(19 citation statements)

References 9 publications

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“…The noise-normalisation combining receiver has a 'noise-only' channel for noise power measurement, which is used to normalise the output of each detector before L receptions are combined [14]. This normalisation can prevent jammed hops from dominating the decision statistics and therefore it improves the system performance [15].…”

Section: Pbni Mitigationmentioning

confidence: 99%

Survey on diversity‐combining techniques for interference suppression in fast frequency hopping systems

Le¹,

Teh²,

Li³

2015

IET Communications

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Over the past few decades, frequency hopping (FH) techniques have attracted considerable interest in both military and commercial communications. However, fading and interference can significantly degrade the performance of an FH system. One method commonly employed to overcome the degradation in performance because of the fading is the use of diversity. Furthermore, fast FH (FFH) systems can enjoy both time and frequency diversity and hence FFH systems employed in conjunction with diversity-combining techniques are effective for combating fading and interference effects. In this study, the authors provide a comprehensive survey on the past and current research work on diversity-combining techniques for suppressing different types of interference in FFH M-ary frequency-shiftkeying systems over various fading channels. Some commonly used theoretical approaches for analysing performance of FFH systems are also presented. In addition to the survey, they will also discuss some interesting areas of future work in this research topic.

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Section: Pbni Mitigationmentioning

confidence: 99%

Survey on diversity‐combining techniques for interference suppression in fast frequency hopping systems

Le¹,

Teh²,

Li³

2015

IET Communications

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“…Fast frequency-hopped noncoherent orthogonal frequency-shift-keying (FFH/FSK) spread spectrum along with diversity has long been known as an effective antijam technique in military communications. So far, many diversity combining techniques such as adaptive gain control (AGC) [4], self-normalised combining [5] and product combining (PC) [6][7][8] have been proposed and analysed. These combining methods may be adapted to improve the antijam capabilities of the future FH mobile radio MA systems.…”

Section: Introductionmentioning

confidence: 99%

Performance of FFH/BFSK AGC receiver over a Nakagami‐fading channel with partial‐band jamming

Zhu

Yao

Zhu

et al. 2006

Trans Emerging Tel Tech

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SUMMARYThe bit error rate (BER) performance of a noncoherent fast frequency-hopped binary orthogonal frequencyshift-keying (FFH/BFSK) spread spectrum (SS) receiver with adaptive gain control (AGC) is investigated in the presence of partial-band jamming (PBJ) and additive white Gaussian noise (AWGN) over frequency nonselective slow Nakagami-fading channels. Exact BER expressions in a onefold integral is derived. The effects of arbitrarily values of fading parameter and diversity level on system performance are considered. Numerical results compare the worst-case BER performance of the AGC receiver with that of the product combining (PC) receiver.

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“…An error probability analysis of a communications link employing convolutional coding with soft decision Viterbi decoding of a fast frequency-hopped, binary frequencyshift keying (FFHIBFSK) spread spectrum system with noncoherent, noise-normalized detection and a channel with Ricean fading and partial-band jamming is performed in this paper. This is a continuation of the research conducted in [4] with the implementation of soft decision Viterbi decoding of the convolutionally encoded signals.…”

Section: Introductionmentioning

confidence: 97%

Error probabilities for FFH/BFSK with noise normalization and soft decoding in a fading channel with partial-band jamming

Chua

Ha²,

Robertson³

Proceedings of MILCOM '94

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A n error probability analysis of a communications lank employing convolutional coding with soft-decision Viterbi decoding implemented on a fast frequency-hopped, binary frequency-shift keying (FFH/BFSK) spread spectrum system is performed. The generated signal is transmitted through a frequency non-selective, slowly fading channel with partial-band jamming and additive white Gaussian noise. Noise normalization combining is employed at the receiver to alleviate the eflects of partial-band jamming. The received signal amplitude of each hop is modeled as a Ricean process, and each hop is assumed to f a d e independently. It is found that with the implementation of convolutional coding and soft decision Viterbi decoding that the performance of the receiver is improved dramatically when the Eb/Nj is greater than about lOdB and that multiple hops per bit are not required in order to force the jammer to move from a partial-band to a full-band jamming strategy.

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Error probabilities of fast frequency-hopped MFSK with noise-normalization combining in a fading channel with partial-band interference

Cited by 32 publications

References 9 publications

Survey on diversity‐combining techniques for interference suppression in fast frequency hopping systems

Survey on diversity‐combining techniques for interference suppression in fast frequency hopping systems

Performance of FFH/BFSK AGC receiver over a Nakagami‐fading channel with partial‐band jamming

Error probabilities for FFH/BFSK with noise normalization and soft decoding in a fading channel with partial-band jamming

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