The role of surface acoustic wave technology in communication systems

Collins, John H.; Grant, Peter

doi:10.1016/0041-624x(72)90249-1

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1973

2021

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Cited by 18 publications

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“…A matched filter, applicable in principle [ 2 ] , would present practical difficulties because of typical requirements for a time-bandwidth product of lo4 and an integration time of 1 ms. However, a SAW recirculation loop can be used to extend the integration time of a matched filter (31, [ 4 ] , and is used here in conjunction with a SAW convolver [SI.…”

Section: Introductionmentioning

confidence: 99%

Spread-spectrum synchronizer using a SAW convolver and recirculation loop

Morgan

Hannah²,

Collins³

1976

Proc. IEEE

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Section: Introductionmentioning

confidence: 99%

Spread-spectrum synchronizer using a SAW convolver and recirculation loop

Morgan

Hannah²,

Collins³

1976

Proc. IEEE

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A method for fast synchronization in spread spectrum multiple access communication systems

Sugiyama

Amemiya

1982

Electron. Comm. Jpn. Pt. I

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A feature of the spread‐spectrum multiple‐access communication system is that multiple users can simultaneously utilize a common frequency spectrum, and applications to vehicle and satellite communications are anticipated. A problem, however, is that several seconds are required to establish synchronization for the PN code used on the receiving side. To solve this problem, it is proposed that the information for synchronization be acquired using a surface acoustic wave matched filter, but this is difficult in multiple‐access communication owing to the restriction on the number of taps. A new code applicable to the spread‐spectrum multiple‐access communication system with direct spread scheme aimed at the communication of analog information is proposed. It is shown that the surface acoustic wave matched filter, which has fewer taps and is more practical, can be used to drastically decrease the time required for the establishment of synchronization.

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Adaptive split spectrum processing using a neural network

Gustafsson

Stepinski

1993

Res Nondestr Eval

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The role of surface acoustic wave technology in communication systems

Cited by 18 publications

References 11 publications

Spread-spectrum synchronizer using a SAW convolver and recirculation loop

Spread-spectrum synchronizer using a SAW convolver and recirculation loop

A method for fast synchronization in spread spectrum multiple access communication systems

Adaptive split spectrum processing using a neural network

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