Optimization of signal-code constructions for coherent radio channels with 
    deep Rayleigh fadings
     
    
    M. F. Shebakpolsky, A. B. Tsarev, M. M. Krahmaleva, Ye. 
    V. Volkova, A. J. Rodionov 
    KB "Luch", Ryubinsk
 Received August 6, 2009
  
  The problem of optimization of signal-code construction in 
  Rayleigh channel with deep signal fadings is considered. 
 
  
  Keywords: radio communication, multibeam channel, noise 
  stability, radiocommunications through ionosphere, tropospheric scattering.