6.44.yingyao.ps

是multiuser detection 这本书的习题解答, 很有用的书.

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E end
%%EndProlog
%%BeginSetup
%%Feature: *Resolution 300
TeXDict begin @letter
%%EndSetup
%%Page: 1 1
bop 618 482 a Fi(Solution)21 b(to)h(Problem)f(6.44)843 602
y Fh(Yingw)o(ei)15 b(Y)l(ao)827 700 y(April)g(22,)h(1999)262
853 y Fg(The)e(blind)f(detector)i(has)g(the)f(form)865 945
y Ff(v)f Fg(=)945 944 y(^)946 945 y Ff(s)965 951 y Fe(1)993
945 y Fg(+)d Ff(x)1060 951 y Fe(1)1078 945 y Fd(;)262 1036
y Fg(where)16 b Ff(x)408 1042 y Fe(1)441 1036 y Fg(is)f(a)g(v)o(ector)h
(orthogonal)e(to)906 1035 y(^)906 1036 y Ff(s)925 1042 y Fe(1)944
1036 y Fg(.)21 b(Let)16 b Ff(x)1078 1042 y Fe(1)1110 1036 y
Fg(=)1161 1019 y Ff(s)1180 1023 y Fc(1)1196 1019 y Fb(\000)p
Ff(s)1241 1023 y Fc(2)p 1161 1026 97 2 v 1187 1031 a Fb(p)p
1214 1031 17 2 v 24 x Fe(2)1277 1036 y Fg(\(it's)e(straigh)o(tforw)o(ard)h
(to)262 1094 y(v)o(erify)e(that)h(\()p Ff(s)502 1100 y Fe(1)530
1094 y Fa(\000)9 b Ff(s)590 1100 y Fe(2)609 1094 y Fg(\))i
Fa(?)679 1093 y Fg(^)680 1094 y Ff(s)699 1100 y Fe(1)718 1094
y Fg(\),)i(then)887 1189 y Fd(v)g Fg(=)964 1153 y Fa(p)p 998
1153 21 2 v 998 1189 a Fg(2)p Ff(s)1038 1195 y Fe(1)1057 1189
y Fd(:)262 1281 y Fg(Since)18 b Ff(s)393 1287 y Fe(1)428 1281
y Fa(?)f Ff(s)497 1287 y Fe(2)516 1281 y Fg(,)h(the)g(ab)q(o)o(v)o(e)f
(detector)i(attains)e(the)h(optimal)d(m)o(ultiuser)i(e\016ciency)h(no)262
1331 y(matter)13 b(what)g(the)i(signal)e(amplitudes)f(are.)920
1422 y Fd(\021)941 1428 y Fe(1)971 1422 y Fg(=)f(1)967 2574
y(1)p eop
%%Trailer
end
userdict /end-hook known{end-hook}if
%%EOF