【正文】 、 GSM 系統(tǒng)的基本特點 ……………………………………………………………… 2 ……………… 第三節(jié) 本章小結(jié) ……………………………………………………………………………… 4 第二章 GSM 移動網(wǎng)絡(luò)及優(yōu)化概述 …………………………………………………………… .5 ……………… 第三章 GSM 網(wǎng)絡(luò)覆蓋優(yōu)化 …………………………………………………………………20 ……………… 第四章 GSM 無線網(wǎng)絡(luò)切換性能優(yōu)化 ……………………………………………………… 27 ……………… 第五章 掉話之案例分析 ……………………………………………………………………39 結(jié) 論 …………………………………………………………………………………………41 致 謝 …………………………………………………………………………………………42 參考文獻 …………………………………………………………………………………………43 附 錄 …………………………………………………………………………………………44 一、英文原文 …………………………………………………………… ……………………44 二、英文翻譯 …………………………………………………………………………………51 三、工程設(shè)計圖紙 ……………………………………………………………………………59 四、源程序 ………………………………………………………………………………………60 五 、 其他 ………………………………………………………………………………………6 1 空一行。 重慶郵電大學(xué)本科 畢業(yè)設(shè)計（論文） 1 前 言 GSM 是一個開放的標(biāo)準(zhǔn)系統(tǒng)，自 1992 年投入商用以來， GSM 標(biāo)準(zhǔn)得到不斷驗證，而且穩(wěn)步發(fā)展。由此可見， GSM 網(wǎng)絡(luò)正在處于飛速發(fā)展階段。 空一行。 ……………… 一 1 3 4 （ 1）（ 2） 第二節(jié) GSM 移動通信系統(tǒng)簡介 一、 GSM 系統(tǒng)的基本特點 GSM 移動通信系統(tǒng)是完全依照 ETSI 制定的 GSM 規(guī)范研制而成，任何GSM 數(shù)字蜂窩移動通信系統(tǒng)都必須符合 GSM 技術(shù)規(guī)范。 空一行。 “第一章”，分頁，居中，加黑宋體二號。它通過無線接口直接與移動臺通信，進行無線發(fā)送、無線接收及無線資源管理。 二級標(biāo)題“ ”，左對齊，加黑宋體小三號。 重慶郵電大學(xué)本科 畢業(yè)設(shè)計（論文） 4 BTS 包含有若干個收發(fā)信息單元 TRX（ Transceiver），而一個 TRX 有八個時隙， ……………… 。 ⑵ 、 基站控制器 BSC 基站控制器 BSC 是基站子系統(tǒng) BSS 的控制部分， ……………… 。 典型小區(qū)類型參數(shù)如表 所示。 重慶郵電大學(xué)本科 畢業(yè)設(shè)計（論文） 5 第 三 節(jié) 本章小結(jié) ……………… 。 ……………… 。 空一個中文字符。首先我要感謝我的導(dǎo)師 XXX 老師，他在我完成論文的過程中，給予了我很大的幫助。 “結(jié)束語”，分頁，居中，加黑宋體二號。 文獻序號“ [6]”，順序按“格式要求”。 左對齊，加黑宋體三號。雖然每個國家都在發(fā)展自己的系統(tǒng)，但是彼此之間的系統(tǒng)和運營方式都是不相容 的。 重慶郵電大學(xué)本科 畢業(yè)設(shè)計（論文） 12 三、工程設(shè)計圖紙： 左對齊，加黑宋體三號。 the third part introduces two party regulations modified the main changes and needs to grasp several key problems。s 18 and the eighth session of the third, the spirit of the fourth plenary session, reflecting the experience of studying and implementing the General Secretary Xi Jinping series of important speech, reflects the party39。 the fourth is to clean the theme is not prominent, not for the existing problems, and is narrow, only needle of countylevel leading cadres above. rule is in 1997 Chinese Communist Party disciplinary cases (Trial) based on revision, in December 2020 the promulgation and implementation, to strengthen the construction of the party play very important role. Along with the development of the situation, which many provisions have been unable to fully meet the prehensive strictly administering the practice needs. One is Ji law, more than half of the provisions and criminal law and other countries laws and regulations Repetition。s ideals and beliefs, excellent traditional style. The revised the code closely linked to the selfdiscipline, insisting on the positive initiative, for all members, highlight the vital few, emphasized selfdiscipline, focusing on the morality, and the majority of Party members and the ideological and moral standards. The revised Ji method separately, Ji, Ji Yan to Method, as a negative list, emphasizing the heteronomy, focusing on vertical gauge. Is this one high and one low, a positive reaction, the strict party discipline and practice results transformation for the integration of the whole party to observe moral and discipline requirements, for the majority of Party members and cadres provides benchmarking and ruler. Third, insist on to. In view of the problems existing in the 重慶郵電大學(xué)本科 畢業(yè)設(shè)計（論文） 22 party at the present stage, the main problems of Party members and cadres in the aspect of selfdiscipline and abide by the discipline to make clearly defined, especially the party39。s selfdiscipline norms and party members and leading cadre clean fingered selfdiscipline norms, a total of eight, collectively referred to as the eight. Four must and eight of the content from the party constitution and Party39。s basic theory, basic line, basic program and basic experience, the basic requirement of behavior made prescribed punishment, increase the cliques, against the anization such as violation of the provisions, to ensure that the central government decrees and the Party of centralized and unified. 3, adhere to strict discipline in the law and discipline In front, Ji separated. Revised Regulations adhere to the problem oriented, do Ji separated. Any national law existing content, will not repeat the provisions, the total removal of 79 and criminal law, repeat the content of the public security management punishment law, and other laws and regulations. In the general reiterated that party anizations and Party members must conscientiously accept the party39。s close ties with the masses. Discipline to protect the party39。s interests, we should depend on the situation 重慶郵電大學(xué)本科 畢業(yè)設(shè)計（論文） 30 Seriousness given disciplinary action. The loss of Party members, seriously damaging the party39。 the principal Ordinance amended the provisions of the preceding paragraph. This is the new content, in order to achieve Ji method effective convergence. Five is the thirty third article 10 of the provisions, the Party member due to an intentional crime is sentenced to criminal law (including probation) sheets or additional deprivation of political rights。s Procuratorate shall make a decision not to initiate a prosecution, or the people39。 increase the Party Congress representative, by leaving the party above (including leave probation) punishment, the party anization should be terminated its representative qualification provisions. The third chapter of the disciplinary rules of use prescribed in the discipline rectifying process, non convergence, not close hand classified as severely or heavier punishment. Discipline straighten At least eighteen years of five years, these five years is to pay close attention to the provis