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📁 是multiuser detection 这本书的习题解答, 很有用的书.
💻 PS
📖 第 1 页 / 共 4 页
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2505 2347 a(2)2625 2313 y Fj(;)1438 2481 y(1)344b(otherwise.)3823 2382 y(\(1\))-186 2745 y(\(b\))29 b(Sho)m(w)h(that)g(a)f(successiv)m(e)j(cancellation)27 b(receiv)m(er)j(that)g(switc)m(hes)g(to)f(a)g(single-user)g(matc)m(hed)h(\014lter)f(when)-1862865 y(\(1\))j(holds)g(ac)m(hiev)m(es)j(the)e(follo)m(wing)c(near-far)j(resistence:)997 3132 y(\026)-56 b Fi(\021)1042 3091y Fe(s)1038 3157 y Fh(1)1106 3132 y Fj(=)1209 2958 yFg(8)1209 3032 y(<)1209 3182 y(:)1325 3081 y Fj(\()13733038 y Fh(1)p Ff(\000)p Fh(3)p Fe(\032)1534 3014 y Fd(2)15693038 y Fh(+3)p Fe(\032)1695 3014 y Fd(4)p 1373 3057 3584 v 1408 3115 a Fh(1)p Ff(\000)p Fe(\032)1534 3096 yFd(2)1569 3115 y Fh(+)p Fe(\032)1660 3096 y Fd(4)17403081 y Fj(\))1778 3044 y Fh(2)1900 3081 y Fj(if)31 b(0)dFi(<)f Fa(j)p Fi(\032)p Fa(j)h Fi(<)2406 2972 y Fg(q)p2489 2972 205 4 v 2499 3041 a Fh(3)p Ff(\000)2589 2986y(p)p 2648 2986 36 3 v 55 x Fh(5)p 2499 3057 185 4 v2574 3115 a(2)2694 3081 y Fj(;)1325 3212 y(\(1)22 b Fa(\000)g(j)pFi(\032)p Fa(j)p Fj(\))1677 3176 y Fh(2)1900 3212 y Fj(otherwise.)38233132 y(\(2\))-186 3484 y(\(c\))28 b(Sho)m(w)g(that)f(the)h(successiv)m(e)i(cancellation)25 b(receiv)m(er)k(that)e(dose)h(not)f(switc)m(he)i(to)e(the)h(single-user)e(matc)m(hed)-186 3605 y(\014lter)32b(ac)m(hiev)m(es)i(the)f(follo)m(wing)d(near-far)i(resistence:)12113844 y(\026)-56 b Fi(\021)1256 3803 y Fe(s)1252 3868y Fh(1)1320 3844 y Fj(=)1423 3698 y Fg(\()1532 3776 yFj(\(1)22 b Fa(\000)g Fj(2)p Fi(\032)1839 3740 y Fh(2)18793776 y Fj(\))1917 3740 y Fh(2)2039 3776 y Fj(if)32 bFa(j)p Fi(\032)p Fa(j)27 b Fi(<)2405 3737 y Fh(1)p 23753753 95 4 v 2375 3762 a Ff(p)p 2434 3762 36 3 v 55 xFh(2)2480 3776 y Fj(;)1532 3910 y(0)458 b(otherwise.)38233844 y(\(3\))-186 4168 y Fk(Solution:)-186 4374 y Fj(\(a\))-1864581 y(W)-8 b(e)33 b(kno)m(w)h(that)e(the)h(asymptotic)f(e\016ciency)i(for)e(the)h(con)m(v)m(en)m(tional)g(matc)m(hed)f(\014lter)g(receiv)m(er)i(is)1121 4817 y Fi(\021)1173 4776 y Fe(c)1169 4842y Fh(1)1237 4817 y Fj(=)1340 4671 y Fg(\()1449 4752 yFj(\(1)22 b Fa(\000)1667 4713 y Fe(A)1720 4722 y Fd(2)p1667 4729 88 4 v 1667 4787 a Fe(A)1720 4796 y Fd(1)17654752 y Fa(j)p Fi(\032)p Fa(j)p Fj(\))1909 4716 y Fh(2)20314752 y Fj(if)2130 4713 y Fe(A)2183 4722 y Fd(2)p 21304729 V 2130 4787 a Fe(A)2183 4796 y Fd(1)2255 4752 yFi(<)28 b Fj(1)p Fi(=)p Fa(j)p Fi(\032)p Fa(j)p Fj(;)14494880 y(0)533 b(otherwise.)3823 4817 y(\(4\))-186 5053y(The)34 b(asymptotic)d(e\016ciency)j(for)e(the)h(successiv)m(e)j(cancellation)30 b(receiv)m(er)k(is)802 5314 y Fi(\021)8545273 y Fe(s)850 5339 y Fh(1)918 5314 y Fj(=)1022 5140y Fg(8)1022 5215 y(<)1022 5364 y(:)1137 5254 y Fj(1)22b Fa(\000)h Fj(4)1367 5215 y Fe(A)1420 5224 y Fd(2)p1366 5231 V 1366 5289 a Fe(A)1419 5298 y Fd(1)1464 5254y Fa(j)p Fi(\032)p Fa(j)f Fj(+)1762 5215 y Fh(1)p 17005231 161 4 v 1700 5289 a(1)p Ff(\000)p Fe(\032)1826 5270y Fd(2)1880 5202 y Fe(A)1933 5179 y Fd(2)1933 5224 y(2)p1880 5231 88 4 v 1880 5289 a Fe(A)1933 5266 y Fd(2)1933

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