High accuracy random channel reproducing simulator

Details High accuracy random channel reproducing simulator High accuracy random channel reproducing simulator

1985-07-10

1988-04-12

Smith, Jerry

Boots, shoes, and leggings

364801, G06G 762, G06G 748

Patent

active

047379286

ABSTRACT:
A channel propagation simulator simulates a multi-diversity branch signal channel, which simulator uses in a preferred embodiment appropriate filter means, such as a plurality of tapped delay lines 11, 14, each capable of representing the impulse response of a diversity branch by means of correlated tap multipliers 12, 12A, 15, 15A . . . 15N, i.e., multipliers using correlated weighting signals 12', 12'A, 15', 15'A . . . 15'N as supplied from a matrix weighting correlator 19. The correlated weighted signals are combined for each diversity branch by suitable summation circuits 13, 16 to provide the diversity branch simulated outputs. By using correlated weighting signals, the simulator can more accurately reproduces the statistical behavior of a given communications link and verify that a given modem will satisfy the communication link specifications.

REFERENCES:
patent: 4105958 (1978-08-01), Pierce et al.

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