7.24.ningzhang.ps

是multiuser detection 这本书的习题解答, 很有用的书.

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%%EndProlog
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%%Feature: *Resolution 300dpi
TeXDict begin

%%EndSetup
%%Page: 1 1
1 0 bop 257 262 a Fi(Problem)14 b(7.24)257 311 y(Ning)h(Zhang)320
411 y Fh(\(a\))f(The)g(w)o(orst)g(case)h(asymptotic)d(e\013ectiv)o(e)k
(energy)e(is)764 502 y Fg(!)q Fh(\()p Fg(A)838 508 y
Ff(1)857 502 y Fg(;)7 b(A)907 508 y Ff(2)925 502 y Fh(\))12
b(=)21 b(min)997 529 y Fe(k)q Ff(=1)p Fe(;)p Ff(2)1090
502 y Fg(A)1121 485 y Ff(2)1121 513 y Fe(k)1142 502 y
Fg(\021)1163 508 y Fe(k)257 616 y Fh(Using)14 b(\(7.31\))f(and)h
(\(7.32\),)e(if)h Fd(j)p Fg(\032)p Fd(j)e(\025)h Fh(1)p
Fg(=)p Fh(2,)h(then)439 788 y Fg(\021)460 794 y Ff(1)490
788 y Fh(=)534 678 y Fc(8)534 715 y(>)534 728 y(>)534
740 y(<)534 815 y(>)534 827 y(>)534 840 y(:)592 719 y
Fh(1)c Fd(\000)g Fh(4)689 702 y Fe(A)714 706 y Fb(2)p
689 709 42 2 v 689 733 a Fe(A)714 737 y Fb(1)735 719
y Fd(j)p Fg(\032)p Fd(j)g Fh(+)865 703 y Ff(1)p 835 710
76 2 v 835 733 a(1)p Fa(\000)p Fe(\032)895 725 y Fb(2)921
698 y Fe(A)946 685 y Fb(2)946 706 y(2)p 921 710 42 2
v 921 735 a Fe(A)946 725 y Fb(2)946 745 y(1)967 719 y
Fg(;)41 b Fh(if)1067 702 y Fe(A)1092 706 y Fb(2)p 1067
709 V 1067 733 a Fe(A)1092 737 y Fb(1)1124 719 y Fd(\024)1183
703 y Ff(1)p 1173 710 37 2 v 1173 733 a Fa(j)p Fe(\032)p
Fa(j)1224 719 y Fd(\000)10 b(j)p Fg(\032)p Fd(j)592 755
y Fc(\020)621 784 y Fe(A)646 788 y Fb(2)p 621 791 42
2 v 621 815 a Fe(A)646 819 y Fb(1)677 801 y Fd(\000)f(j)p
Fg(\032)p Fd(j)763 755 y Fc(\021)788 763 y Ff(2)813 801
y Fg(;)195 b Fh(if)1077 784 y Ff(1)p 1067 791 37 2 v
1067 815 a Fa(j)p Fe(\032)p Fa(j)1118 801 y Fd(\000)9
b(j)p Fg(\032)p Fd(j)i(\024)1264 784 y Fe(A)1289 788
y Fb(2)p 1264 791 42 2 v 1264 815 a Fe(A)1289 819 y Fb(1)1322
801 y Fd(\024)h Fh(1)d(+)g Fd(j)p Fg(\032)p Fd(j)592
865 y Fh(1)p Fg(;)395 b Fh(if)17 b(1)9 b(+)g Fd(j)p Fg(\032)p
Fd(j)i Fg(<)1238 848 y Fe(A)1263 852 y Fb(2)p 1238 855
V 1238 879 a Fe(A)1263 883 y Fb(1)257 958 y Fh(and)439
1078 y Fg(\021)460 1084 y Ff(2)490 1078 y Fh(=)534 968
y Fc(8)534 1005 y(>)534 1018 y(>)534 1030 y(<)534 1105
y(>)534 1117 y(>)534 1130 y(:)592 1009 y Fh(1)e Fd(\000)g
Fh(4)689 992 y Fe(A)714 996 y Fb(1)p 689 999 V 689 1023
a Fe(A)714 1027 y Fb(2)735 1009 y Fd(j)p Fg(\032)p Fd(j)g
Fh(+)865 992 y Ff(1)p 835 999 76 2 v 835 1023 a(1)p Fa(\000)p
Fe(\032)895 1015 y Fb(2)921 988 y Fe(A)946 975 y Fb(2)946
996 y(1)p 921 999 42 2 v 921 1024 a Fe(A)946 1014 y Fb(2)946
1034 y(2)967 1009 y Fg(;)41 b Fh(if)1067 992 y Fe(A)1092
996 y Fb(1)p 1067 999 V 1067 1023 a Fe(A)1092 1027 y
Fb(2)1124 1009 y Fd(\024)1183 992 y Ff(1)p 1173 999 37
2 v 1173 1023 a Fa(j)p Fe(\032)p Fa(j)1224 1009 y Fd(\000)10
b(j)p Fg(\032)p Fd(j)592 1044 y Fc(\020)621 1074 y Fe(A)646
1078 y Fb(1)p 621 1081 42 2 v 621 1105 a Fe(A)646 1109
y Fb(2)677 1091 y Fd(\000)f(j)p Fg(\032)p Fd(j)763 1044
y Fc(\021)788 1053 y Ff(2)813 1091 y Fg(;)195 b Fh(if)1077
1074 y Ff(1)p 1067 1081 37 2 v 1067 1105 a Fa(j)p Fe(\032)p
Fa(j)1118 1091 y Fd(\000)9 b(j)p Fg(\032)p Fd(j)i(\024)1264
1074 y Fe(A)1289 1078 y Fb(1)p 1264 1081 42 2 v 1264
1105 a Fe(A)1289 1109 y Fb(2)1322 1091 y Fd(\024)h Fh(1)d(+)g
Fd(j)p Fg(\032)p Fd(j)592 1154 y Fh(1)p Fg(;)395 b Fh(if)17
b(1)9 b(+)g Fd(j)p Fg(\032)p Fd(j)i Fg(<)1238 1137 y
Fe(A)1263 1141 y Fb(1)p 1238 1144 V 1238 1169 a Fe(A)1263
1173 y Fb(2)257 1233 y Fh(whereas)16 b(if)d Fd(j)p Fg(\032)p
Fd(j)e Fg(<)g Fh(1)p Fg(=)p Fh(2,)i(then)493 1362 y Fg(\021)514
1368 y Ff(1)544 1362 y Fh(=)588 1291 y Fc(\()642 1337
y Fh(1)c Fd(\000)h Fh(4)740 1320 y Fe(A)765 1324 y Fb(2)p
739 1327 V 739 1352 a Fe(A)764 1356 y Fb(1)786 1337 y
Fd(j)p Fg(\032)p Fd(j)e Fh(+)915 1321 y Ff(1)p 886 1328
76 2 v 886 1352 a(1)p Fa(\000)p Fe(\032)946 1343 y Fb(2)972
1316 y Fe(A)997 1304 y Fb(2)997 1324 y(2)p 972 1328 42
2 v 972 1353 a Fe(A)997 1343 y Fb(2)997 1363 y(1)1018
1337 y Fg(;)41 b Fh(if)1117 1320 y Fe(A)1142 1324 y Fb(2)p
1117 1327 V 1117 1352 a Fe(A)1142 1356 y Fb(1)1175 1337
y Fd(\024)12 b Fh(4)p Fd(j)p Fg(\032)p Fd(j)p Fh(\(1)c
Fd(\000)i Fg(\032)1393 1322 y Ff(2)1412 1337 y Fh(\))642
1398 y(1)p Fg(;)396 b Fh(otherwise)257 1488 y(and)493
1565 y Fg(\021)514 1571 y Ff(2)544 1565 y Fh(=)588 1494
y Fc(\()642 1540 y Fh(1)9 b Fd(\000)h Fh(4)740 1523 y
Fe(A)765 1527 y Fb(1)p 739 1530 V 739 1555 a Fe(A)764
1559 y Fb(2)786 1540 y Fd(j)p Fg(\032)p Fd(j)e Fh(+)915
1524 y Ff(1)p 886 1531 76 2 v 886 1555 a(1)p Fa(\000)p
Fe(\032)946 1546 y Fb(2)972 1519 y Fe(A)997 1507 y Fb(2)997
1528 y(1)p 972 1531 42 2 v 972 1556 a Fe(A)997 1546 y
Fb(2)997 1566 y(2)1018 1540 y Fg(;)41 b Fh(if)1117 1523
y Fe(A)1142 1527 y Fb(1)p 1117 1530 V 1117 1555 a Fe(A)1142
1559 y Fb(2)1175 1540 y Fd(\024)12 b Fh(4)p Fd(j)p Fg(\032)p
Fd(j)p Fh(\(1)c Fd(\000)i Fg(\032)1393 1525 y Ff(2)1412
1540 y Fh(\))642 1601 y(1)p Fg(;)396 b Fh(otherwise)320
1745 y(\(b\))12 b(T)m(ak)o(e)g(Figure)h(7.12)e(and)i(Figure)f(7.13,)f
(add)i(curv)o(es)g(symmetric)e(with)h(old)g(curv)o(es)257
1795 y(along)g(y=x.)18 b(The)13 b(p)q(o)o(w)o(er-tradeo\013)h(region)e
(is)h(the)h(region)e(in)o(the)h(middle)e(of)h(the)i(t)o(w)o(o)e(sets)
257 1845 y(of)i(curv)o(es.)963 2628 y(1)p eop
%%Trailer
end
userdict /end-hook known{end-hook}if
%%EOF