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1TD-SCDMA的网络规划与优化a1a0a2a3a4a5a6a7a8a9a10a11a12a9a13a14a15a16a17a18a19a20a21a22a23a24a25a26a25a27a28a19a29a30a31a32a33a34a19a35a36a33a37a38a39a40a32a27a41a42a19a33a34a43a44a32a45a46a28a19a47a34a48a49a50a46a46a27a51a52a53a54a55a56a57a58a19a54a55a59a60a61a27a51a19a62a60a61a61a51a63a47a34a19a64a65a66a67a68a69a70a19a71a53a72a72a73a74a75a75a73a74a76a77a78a79a63a80a81a82a68a83a84a52a53a61a85a72a72a73a86a61a27a85a75a75a73a19a66a29a87a88a89a90a19a75a75a73a91a92a92a93a19a94a95a20a96a22a97a98a35a36a48a63a39a99a100a101a102a64a65a103a81a104a63a105a106a19a107a47a34a108a78a79a109a110a111a112a22a113a76a77a78a79a114a82a77a115a77a47a34a62a116a117a118a119a120a121a63a122a123a99a124a19a125a33a126a107a47a34a62a127a128a101a102a129a130a131a132a133a8a9a10a11a12a9a13a14a19a47a34a19a66a67a68a69a70a19a81a104a105a106a134a135a136a137a138a139a140a137ThedesignandcharacteristicsofTD-SCDMAbasedonatotallengthof3630meters,thetwoholes4drives,adesignspeedof40kmperhour,driveclearheightof4.5meters,thetunnelshieldconstructionbymid-2550m,10mdiametershield,11mdiametertunnel,fordistributedcoverage,optionalBBU+RRU+directionalantennaofthenetworkformation,wereusedinaBBU,tenRRU,isdividedintotwosliproads,RRU5cascade,butalsofortheplanninganddesignofswitchingbetweencelloptimizedforthenetwork,theendofthetunnelantennainstallationadirectionalantenna(thedirectionpointtunnels)toincreasethesignaloftheoverlappingareasothatvehiclesinthetunneloutsidethecompleteswitch.Keywordsa141TD-SCDMA,tunnels,distributedcoverage,networkoptimizationa142a143a143a144a145a144a145a144a146a147a148a149a150a151a152a149a153a154a155a156a148a149a150a151a152a149a153a154a157a158a159a160a161a162a163a164a160a165a166a167a168a169a170a171a148a149a150a151a152a149a153a154a163a172a173a148a149a149a174a175a176a177a164a178a179a180a176a181a182a161a162a176a183a184a185a186a176a187a188a189a190a176a191a192a193a190a194a167a168a169a195a143a143a196a197a198a199a200a201a196a197a198a199a196a146a171a202a203a204a205a170a171a206a207a204a205a208a171a193a190a207a209a210a211a163a212a213a214a215a216a171a207a209a217a218a219a220a221a222a223a143a143a224a225a224a225a224a226a227a228a225a229a230a231a232a233a234a235a236a237a238a239a199a240a233a234a235a236a238a239a241a242a160a243a244a245a158a246a247a210a248a249a242a163a250a251a252a253a157a254a255a85a0a1a207a209a202a203a163a2a3a219a220a169a92a252a241a242a160a243a244a245a73a94a4a1a5a6a7a8a202a203a9a241a242a10a11a157a103a12a13a241a242a11a14a15a16a17a18a19a163a1a5a202a203a169a112a146a113a0a20a193a190a161a21a22a23a4a118a24a1a5a25a157a121a26a27a28a29a176a126a160a29a176a127a190a23a30a29a176a241a242a160a243a175a189a190a72a206a31a163a241a242a160a243a244a245a163a32a33a112a169a133a148a149a150a151a152a149a153a154a163a241a242a160a243a244a245a163a211a34a35a210a211a20a36a37a157a138a38a39a40a202a203a163a41a42a176a144a43a163a44a45a176a148a46a47a48a129a49a50a51a52a53a54a55a56a57a58a156a59a60a61a51a62a63a64a65a160a66a67a68a69a70a71a74a129a75a761a130a77a78a79a80a81a82a83a84a86a87a88a76a89a90a62a63a64a91a93a95a96a156a97a98a99a100a101a102a51a62a63a64a104a105a106a107a108a109a58a171a106a107a108a109a58a116a110a109a68a135a111a114a115a117a160a129a752a119a90a69a70a71a74a68a161a120a122a123a69a70a71a74a68a161a120a122a123a97a98a99a100a101a102a122a123a51a124a52a125a47a128a161a58a178a52a104a131a132a134a136a58a181a137a68a139a140a134a136a141a142a75a143a90a160a66a67a68a145a146a186a147a62a63a64a58a69a70a71a74a68a161a120a122a123a149a150a58a99a100a161a120a122a123a151a152a52a153a161a66a58a154a55a66a58a155a146a110a157a66a68a145a146a129a66a67a75a158a90a125a159a162a163a164a165a166a162a163a193a90a167a168a169a170a52a53a195a90a172a173a174a175a176a173a177a179a99a100a101a102a122a123a165a166a180a46a182a119a197a183a147a172a173a174a175a176a173a177a179a99a100a161a120a122a123a165a166a180a46a184a185a75a762TD-SCDMAa80a81a82a83a84a86a187a188a189a190a87a88a76a191a192a194a196a198a199a191a200a201a202a203a204a205a206a207a208a209a210a202a203a211a212a213a214a202a203a211a212a213a214a215a216a217a218a219a220a221a222a223a224a225a226a227a228a213a214a219a229a230a231a232a233a233a234a235a217a236a237a238a213a214a219a239a240a241a242a213a214a243a244a245a246a247a248a249a250a251a252a202a203a211a212a213a214a253)(8)log(201dBFAFdmlossloss+=a254a255a230a2a201a254a26a201a72a0a1a3a4a5a6a7a8a9a72a0a10a11a12a13a14a238a15a16a4a5a17a18a12a230a19a20a2293()dBmGGrlossttr+=a254a255a230a26a201a122a21a230a17a22a23a24a25a27a242a167a229()dBGGrrttloss+=a254a255a230a57a201a243a28a72a0a29a30a31a32a33a156a34a28a35a13a244a36a244a245a33a246a17a37a22a38a39a4a40a12a41a42a43a13a1a3a44a45a46a254a57a201a42a43a47a48a49a37a50a51a52a53a54a254a65a201a55a56a58a59a60a56a61a36a72a0a1a3a15a16a62a47a48a63a64a66a67a67a68a69a70a71a73a74a75a76a77a78a79a80a81a68a69a70a71a74a75a76a77a78a79a80a81a68a2a82a250a83a84a85a86a84a85a1a3a8a252a26a82a253a85a86a254a87a1a3a8a252a57a82a88a89a85a106a90a91a8a252a65a82a255a23a86a92a23a90a91a8a252a193a82a93a53a86a94a150a86a95a96a129a97a174a1a3a98a67a67a99a100a101a102a103a104a105a107a108a99a100a101a102a104a105a107a108a99a109a110a111a112a113a114a115a116a117a118a1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