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Communications, Radar and Signal Processing, IEE Proceedings F

Issue 6 • Date October 1985

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Displaying Results 1 - 16 of 16
  • Line code design for digital pulse-position modulation

    Publication Year: 1985, Page(s):441 - 446
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1066 KB)

    A class of finite-state alternate alphabetic line codes, designated mBL-K, is identified and studied in the context of digital pulse-position modulation (PPM). The influence on code properties of the number of time slots per PPM frame and the number of frames per code word is considered, and a specific 9B2-33 code is identified which is particularly well suited to digital optical-fibre PPM transmi... View full abstract»

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  • An alternative formulation for an optimum beamformer with robustness capability

    Publication Year: 1985, Page(s):447 - 460
    Cited by:  Papers (34)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1063 KB)

    In the paper, an alternative formulation for an optimum beamformer with a robustness capability against directional errors is presented. With this approach, the width of the main beam can be specified and a compromise can be reached between a reasonable signal acceptance angle and the ability of the beamformer to reject directional interferences. Furthermore, based on a partitioned processor inter... View full abstract»

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  • New method for computation of error probability in PSK systems with interference

    Publication Year: 1985, Page(s):461 - 465
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (409 KB)

    A very efficient technique for the computation of error probability in ASK systems with M = 2 m (m an integer) symbols or QASK systems with M2 symblos in the presence of intersymbols interference was presented by Jenq, Liu and Thomas, and this technique was extended by Jenq to coherent PSK (no phase jitter) with M = 2, 4 and 8 symbols. In the present paper we extend this technique to PSK (phase ji... View full abstract»

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  • Systolic implementations for deconvolution, DFT and FFT

    Publication Year: 1985, Page(s):466 - 472
    Cited by:  Papers (11)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (875 KB)

    The paper presents a number of systolic configurations for computing deconvolutions and discrete Fourier transformations. Two approaches to deconvolution are considered: a time-domain approach, which is based on a systolic inversion of an associated Toeplitz matrix, generated by a wavefront propagation of the known system response, while the other approach, which is in the frequency domain, utilis... View full abstract»

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  • Bit-level systolic array implementation of the winograd fourier transform algorithm

    Publication Year: 1985, Page(s):473 - 479
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (877 KB)

    A bit level systolic array system is proposed for the Winograd Fourier transform algorithm. The design uses bit-serial arithmetic and, in common with other systolic arrays, features nearest-neighbour interconnections, regularity and high throughput. The short interconnections in this method contrast favourably with the long interconnections between butterflies required in the FFT. The structure is... View full abstract»

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  • Code-division multiplex technique using bridge functions

    Publication Year: 1985, Page(s):480 - 484
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (442 KB)

    A code-division multiplexing technique using a set of orthogonal functions known as bridge functions as carrier codes has been investigated. These functions are three-valued functions which take the values +1, 0 and ¿¿1. The results of a computer simulation on the performance of the system in additive white Gausian noise are presented, and the system is compared with conventional time-division mul... View full abstract»

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  • Conference report: 6th Symposium on Information Theory in the Benelux (Mierlo, The Netherlands, 23rd¿24th May 1985)

    Publication Year: 1985
    IEEE is not the copyright holder of this material | PDF file iconPDF (87 KB)
    Freely Available from IEEE
  • Near-maximum-likelihood detectors for binary signals

    Publication Year: 1985, Page(s):485 - 490
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (777 KB)

    The paper studies three developments of a class of near-maximum-likelihood detection processes derived from a conventional nonlinear (decision feedback) equaliser. The new detectors are suitable for binary signals transmitted over a linear baseband channel introducing severe amplitude distortion. The complexity of the processes is not excessive, and increases approximately linearly with the delay ... View full abstract»

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  • Maximum entropy processing of band-limited spectra. Part 1: Noise-free case

    Publication Year: 1985, Page(s):491 - 497
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (657 KB)

    The maximum entropy method assumes that the spectrum exists up to the Nyquist frequency. For array processing of low-frequency signals, the spectrum often only exists over part of the wavenumber interval. This paper generalises the maximum entropy methods to correctly model this situation. Simulations are included which show the performance of the technique. View full abstract»

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  • Maximum entropy processing of band-limited spectra. Part 2: Recovering a spectrum from noisy measurements

    Publication Year: 1985, Page(s):498 - 504
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (764 KB)

    The paper presents a maximum entropy technique for recovering a band-limited spectrum from noisy measurements. It is demonstrated that the new technique is capable of forming a good reconstruction of a band-limited spectrum. Simulations are included for both the deterministic case and for sampled covariance matrices. View full abstract»

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  • Book review: Microcomputer Tools for Communications Engineering

    Publication Year: 1985
    IEEE is not the copyright holder of this material | PDF file iconPDF (125 KB)
    Freely Available from IEEE
  • Dimensioning technique for meteor-burst communication systems

    Publication Year: 1985, Page(s):505 - 510
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (841 KB)

    A convenient technique for the analysis of meteor-burst communication systems is presented, and it is shown how the probability densities of burst duration and burst interval can be predicted from the system parameters. The technique is based on an extension of generally accepted theory combined with experimental results, and a set of simple equations is obtained. The theoretical derivations are c... View full abstract»

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  • Optimal channel assignment in a packet-switching network with a conflict-free multiple-access scheme

    Publication Year: 1985
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (128 KB)

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  • Analysis of a multilink system in the presence of noise, cochannel interference and some hardware imperfections

    Publication Year: 1985, Page(s):511 - 516
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (642 KB)

    The paper presents a further development of the theoretical analysis that has been devoted to the terrestrial or satellite system with Gaussian noise and one cochannel intereference per link. The specific aims of the paper are to simplify the performance analysis of the multilink system by introducing an estimate on the upper and lower bound of the symbol error rate, and to present in analytical f... View full abstract»

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  • Cellular mobile packet radio using multiple-channel CSMA

    Publication Year: 1985, Page(s):517 - 526
    Cited by:  Papers (6)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1427 KB)

    One way to increase frequency spectrum utilisation in a mobile communication system is to divide the geographical region spatially into a number of cells, each of which contains a base station. Each base station is assigned a set of channels, and the users in the neighbourhood of a base station can transmit their messages to the base station. Several protocols governing the access to the base stat... View full abstract»

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  • IEE Colloqium report: IEE Colloquium on Digital Audio Signals in Studio Centres

    Publication Year: 1985, Page(s):526 - 527
    IEEE is not the copyright holder of this material | PDF file iconPDF (293 KB)
    Freely Available from IEEE

Aims & Scope

The latest version of this title is Radar, Sonar & Navigation, IET.

Full Aims & Scope