A7 B7 3728 五、發明説明（1 ) 有關之申請書 (請先閲讀背面之注意事項再填寫本頁) 本申請書申請有關1 9 9 5年1 1月1 3日所提出之 美序號60/006，656，題爲、多天線胞式網路， 之所有共同主題事項之優先權。 本申請書羅列以下之專利申請書，供作參考： 於1 9 9 5年5月4日所提出之美序號 08/435，709，題爲、胞式私人交換分機〃； 於1 9 9 5年5月4日所提出之美序號 08/435，838，題爲t智慧型交換用之方法及裝 置，; 於1995年5月4日所提出之美序號 08/434，597，題爲^具有適應性頻率警覺性之 散佈頻譜通信網路'； 於1 9 9 5年5月4日所提出之美序號 08/434，544，題爲 '散佈頻譜通信網路信號處 理器f :及 經濟部中央標準局員工消費合作社印製 於1 9 9 5年5月4日所提出之美序號 08/434，598 ，題爲 '具有智慧型呼叫選路作用 之胞式基地站'。 發明部份 本發明係有關多天線胞式網路。明確言之，本發明使 用於胞式通信網路中，用以定製安排單胞邊界，以應付諸 如牆壁*天花板，地板，及建築物等障礙，俾降低干擾， 一 4 - 本紙張尺度適用中國國家標準（CNS ) A4規格（210 X 297公釐） 經濟部中央橾準局貝工消费合作社印製 513728 五、發明説明（2 ) 並提高性能及改善服務品質。 發明背景 標準之胞式通信網路通常分成地理性單胞。每一單胞 普通包含一中心天線，爲圓形，並與相鄰之單胞稍爲交疊 。基地收發信號姑硬蹲佈署於每一天線附近，俾與該單胞 中之行動站通信。影響單胞設計及所佈署之硬體量之因素 包括在一特定區中欲服務之行動站之數量，行動站及基地 站之使用_功率強度，及有無障礙等。其他因素包含通信議 定之型式，諸如割時多進出（TDMA)，劃頻多進出（ FDMA)，劃碼多進出（CDMA)，或其他型式。發 射功率及通信議定通常決定單胞之大小，及每一單胞可支 持多少使用者· 當設計一胞式網路時，一特定數之使用者可由一特定 數之單胞及附屬之硬體（包括基地收發信機站）服務。當 一行動站自一單胞移動至另一單胞時，執行一放手程序， 使該行動站可與收到該行動站之最強信號之基地收發信機 站通信。然而，在一些情形，信號受諸如建築物及山巒等 障礙物所阻斷•爲應付此等障礙物，執行多徑路信號處理 ，但此並非在所有可能之地點上均可成功。爲服務所有地 點，需佈，額外之天線或中繼器，以 強_涵蓋，即使不能支持額外之容量。此種硬體佈署欠缺效 益。 低功率胞式網路（諸如經設計來服務一建築物者）具 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） ------------ 裝— (請先閱讀背面之注意事項再填寫本頁) 訂 -5 - 經濟部中央標準局貞工消費合作社印装 A 7 B7 五、發明説明（3 ) 有同樣問題。在此情形’障礙物爲牆壁，地板’及天花板 。爲應付此等障礙物，佈署額外之天释，以製造額外之單 胞。同樣，其結果爲薄外之天線或中繼器硬髂夕佈_署並不 隨帶增加受服務之行動站。同樣’此佈署欠缺效益。 故此，現有系統所受之限制爲，此等需要額外之天線 與中繼器硬體來對移動至障礙物後面之行動站提供服務。 此導致佈署大量之硬體，用以與少量之行動站通信。 發明概要 本發明係有關一種多天線胞式網路。明確言之，本發 明用於一胞式通信網路中，用以定製安排單胞邊界，以應 付諸如牆壁，天花板，地板，及建築物等障礙物，俾降低 干擾，改善性能，提高服務品質。提供示範之實施例，用 於全球行動通信系統（G SM)議定上，並可應用於其他 胞式通信及數位技術上。 一種多天線胞式網路在多個天線上與一行動站通信。 各无線安排於多個位置，以定製一或多個單胞。一收發信 機連接至天線，且經安排來接收來自行動站之進來資訊， 及發射出去資訊至行動站。一處理器連接至收發信號，且 經安排來對進來資訊解碼及對出去資訊譯碼，俾與行動站 通信。 在另一實施例中，天線同樣佈署，以構成一或多個單 胞。連續變化發射信號功率，以改善品質，並移動零點， 俾固定位置之使用者可接收高品質之信號》 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公庚） -----------Ί — (請先閣讀背面之注意事項再填寫本頁) 訂 泉 A7 B7 S13728 五'發明説明（4 ) 本發明之優點包含改善單胞之邊界控制，降低干擾， 容忍錯誤，及更有效使用無線電資源。而且，行動2L使用 者可經驗電池壽命加#，因爲行動站發射功率需求降低。 附圖簡述 於閱讀以下之詳細說明並參考附圓後，可明瞭本發明 之其他優點，在附圖中： 圖1描繪一多天線胞式網路，顯示本發明之一實施例 之一定製之單胞，多個遠地收發信機，一地區收發信器， 及一處理器； 圖2描繪本發明之一實施例之一遠地收發信機及一地 區收發信機間之通信頻譜； 圖3爲本發明之一實施例之一遠地收發信機及一地區 收發信機間所交通之一控制資料字； 圖4爲流程圖，顯示本發明之一實施例之多天線胞式 網路之操作： 圖5爲本發明之一實施例之遠地收發信機之概要圖； 及 圖6爲本發明之一實施例之一地區收發信機之概要圖 〇 詳細說明 本發明係有關多天線胞式網路。明確言之，本發明用 於胞式通信網路中，用以定製安排單胞邊界，以應付障礙 本紙張尺度適用中國國家標準（CNS ) A4規格（210 X 297公釐） ----------^ _ (請先閲讀背面之注意事項再填寫本頁) 訂 經濟部中央標準局貝工消費合作社印製 A7 B7 3137,28 五、發明説明（5 ) (請先閱讀背面之注意事項再填寫本頁) 物，諸如牆壁，天花板，地板，及建築物，俾降低干擾， .提高性能，及改善服務品質。提供示範實施例，用於 TDMA通信議定及全球行動通信系統（GSM)議定上 ，並可應用於其他胞式通信及數位技術上。G SM之概覽 說明於1 9 9 5年5月.4日所提出之美專利申請書序號 08/434，597，題爲a具有適應性頻率警覺性之 散佈頻譜通信網路’中。 此處參考特定之安排及議定，說明示範之實施例。例 如，說明使用非頻率跳躍通信之實施例，但可實施於頻率 跳躍上。精於本藝之人士知道，此等示範實施^可作各種 更改及修改，同時保持於本發明之範圍內。本發明可使用 任一TDMA，FDMA，CDMA，或其他類似之通信 議定》 硬體安排 經濟部中央橾準局貝工消费合作社印製 參考圖1至6，說明一示範之實施例。圖1整個顯示 本發明之一實施例之多天線胞式網路。圖1顯示二單胞 1 1 5及1 1 9在一建築物設施中。雖本實施例以單胞 1 1 5及其組成部份來作說明，但該說明同等適用於單胞 1 1 9及其組成部份上。 多個遠地收發信機1 1 2 a - c置於若干地點 114a-c ，以組成單胞115。每一地點114a-c代表組成單胞1 1 5之一次單胞。例如，遠地收發信機 1 1 2 a — c可置於房間或走廊中，以組成單胞1 1 5 » 本紙張尺度適用中國國家標準（CNS ) A4規格（210Χ297公釐) ' _ _B7_ 五、發明説明（6 ) (請先閲讀背面之注意事項再填寫本頁) 單胞1 1 5具有一形狀由遠地收發信機1 1 2 a — c及每 一遠地收發信機1 1 2 a - c所具有之發射功率界定。在 本實施例中，所有遠地收發信機1 1 2 a -b具有公共發 射及接收週期（以下說明）。此使一行動站可移動於單胞 1 1 5內之各次單胞1 1 4 a — c之間，並經驗連續之高 品質通信。 所有遠地收發信機1 1 2 a — C經由資料鏈路 120a連接至一地區收發信機130a。同樣，所有遠 地收發信機1 1 6 a — c經資料鏈路1 2 0 b連接至一地 區收發信機130b·資料鏈路120a_b可爲同軸電 纜，光纖纜，或其他型式之通信媒體，諸如RF鏈路〜而 且，任何數之遠地收發信機可連接至一地區收發增榉。每 一地區收發信機有六個遠地收發信機爲普通安排。此安排 使若干遠地收發信機可置於若干地點，以提供具有任何實 際空間參數之一定製單胞。例如，該單胞可爲整個建築物 ，一建築物中之一單個樓層，一建築物中之半個樓層，一 區之建築物，或任一其他實際空間參數。 經濟部中央標準局員工消費合作社印製 地區收發信機1 3 0 a - c裝於印刷電路板上，此等 裝於一箱1 3 2中，並在背平面上與一通信介面卡1 3 4 ，諸如一 E 1介面卡通信。任何數目之地區收發信機可置 於箱1 3 2中，以增加可通過E 1通信介面1 3 4通信之 可用單胞之數目。每箱有六個地區收發信機爲普通安排。 而且，可加裝額外之E 1卡，以提髙通信產出。雖本實施 例使用一個E 1卡，但本發明可使用任何通信介面，諸如 本紙張尺度適用中國國家標芈（CNS ) A4規格（210X297公釐） ~ 9 - 013728 A7 ____B7 五、發明説明（7 ) 丁 1 ，P S T N，Ethernet，I SDN，或其他型式之通 信介面。 預期有二基本網路安棑：一確流棑安排，其中，遠地 收發信機各連接至一電績；及一星安排.，其中，遠地收發 信機各經一獨立電纜連接。例如，一建築物中系統可使用 —匯流排安排，其中一單個地區收發信機連接至多個遠地 收發信機，此等連接至一單個匯流排上》另一方面，星安 排連接各地區收發信機至多個遠地收發信機，遠地收發信 機各使用一專用之電纜。實際之實施取決於多種因素，包 括單胞之物理空間參數，每一單胞需支持之行動站之數目 ，及用以辨別遠地收發信機及追蹤行動站之定址技術。 經濟部中央標準局貝工消費合作社印f {請先閲讀背面之注意事項再填寫本頁) 在圖1所示之示範實施例中，該安排爲匯流排安排， 且遠地收發信機1 1 2 a — c各具有一譯碼位址，俾地區 收發信機1 3 0 a可辨認出來自特定遠地收發信機之進來 之資訊。在發起呼叫後，行動站通信頻率*及進來及出去 T DMA時槽分配給行動站，及行動站可移動於單胞 1 1 5中各次單胞1 1 4 a- c之間，同時保持於同一通 信頻率上》遠地收發信機1 1 2 a - c均接收來自該行動 站之進行資訊，並處理該進來資訊，以決定何者具有最強 之信號。然後，具有最強信號之遠地收發信機傳送進來資 訊經資料鏈路1 2 0 a至地區收發信機1 3 0 a。出去之 資訊由所有遠地收發信機1 1 2 a - c同時在所分配之出 去頻率上，並在所分配之出去T DMA時槽之期間中發送 至行動站。 本紙張尺度通用中國國家標準（CNS ) A4規格（210X297公釐） 10 - 經濟部中央標準局貝工消費合作社印製 A7 ____ B7 五、發明説明（8 ) 資訊處理 進來之資訊由所有之遠地收發信機1 1 2 a — c接收 ，及出去之資訊由所有遠地收發信機1 1 2 a _ c發射。 進來資訊需以有秩序之方式處理，以確保具有最強信號之 正確之遠地收發信機1 1 2 a _ c在每一 TDMA時槽中 傳送進來之資訊至地區收發信機1 3 0 a。而且，出去之 資訊需以有秩序之方式處理，以確保正確之功率強度依預 定之方法在每一TDMA時槽中發射。 圖2顯示資料鏈路1 2 0之頻率分配。參考編號 15 0爲遠地收發信機112a — c及地區收發信機 1 3 0 a間之控制資訊頻率。控制資訊更詳細顯示於J1 3 中，此顯示三大區A，R，瓦C。區A爲自地區收發信機 至遠地收發信機之ϋ偉。區A具有2數元組之前言，1數 元組之接收機選擇，及6數元組之發射功率強度。接收機 選擇數元組辨認選擇何個遠地收發信機在下個進來之資訊 時槽中傳送進來之資訊。發射功率強度之6數元組告知遠 地收發信機欲發射之功率強度。區B爲1數元組之延遲， 俾可作R S S I量度。區C爲自遠地收發信機至地區收發 信機之通信。區C具有6數元組，此供每一遠地收發信機 傳送R S S I強度自遠地收發信機至地區收發信機。雖區 C顯示具有6數元組，但區C可修改，以包含較多或較少 之數元組，以配合較多或較少之遠地收發信機。含有區A ，B，及C之控制資訊使用576# s來完成轉送。每一 本紙張尺度適用中國國家標準（CNS ) Α4規格（2ΙΟΧ297公釐） 一 11 - ----------批衣------ΐτ—-----^ (請先閲氣背面之注意事項再填寫本頁) 經濟部中央橾準局貝工消費合作社印掣 A7 ___B7 五、發明説明（9 ) 數元組包含1開始數元及2停止數元，用於每資料數元組 之11數元上。其結果爲3.27#s之最小數元週期。 圖2另顯示參考編號1 5 2，表示進行^資^之_顏-莓 此爲所選之遠地收發信機用以在進行資訊時槽中傳送進來 之資訊至地區收發信機之頻率。參考編號1 5 4爲振璗頻二 率，此保持遠地收發信機及地區收發信機同步。參考編號 1 5 6爲出去資訊頻座。此爲地區收發信機用以傳送出去 資訊至遠地收發信機之頻率。 該示範實施例之流程圖操作顯示於圖4，此流程圖顯 示若干程序，此包括進來資訊處理及出去資訊處理，在步 驟160a_c，所有遠地收發信機112a — c接收來 自該單胞中之所有行動站之進來資訊，並量度所接收之信 號強度。在步驟1 6 2，所選擇之遠地收發信機傳送進來 資訊至地區收發信機1 3 0 a，及所有遠地收發信在 TDMA時框之每一時槽中傳送R S S I資訊至地區收發 信機1 3 0 a。地區收發信機1 3 0 a決定何個遠地收發 信機1 1 2 a _ c對每一所接收之信號具有最大信號強度 。當一行動站移至另一次單胞1 1 4 a - c (在同一單胞 1 1 5內）中時，可自一不同之遠地收發信機上看到一較 強之接收信號。地區收發信機注意到應使用一新遠地收發 信機作爲接收機，及應切斷與舊遠地收發信機之連接。地 區收發信機決定轉移在次一 T DMA時框上之遠地收發信 機。 在步驟1 6 4，地區收發信機1 3 0 a發送出去資訊 本紙張尺度適用中國國家榇準（CNS ) A4規格（210X297公釐） ----------1------、玎|-----線 (請先閱t#-背面之注意事項再續寫本頁) -12 - A7 ____B7 五、發明説明（l〇 ) 至所有遠地收發信機1 1 2 a — c。圖3之區A中所示之 功率強度資訊與出去資訊一起發送。地區收發信機 1 3 0 a改變每一 TDMA時框中每一遠地收發信機 1 1 2 a_ c之功率強度，以實際移動零點》在步驟 1 6 8，通知新遠地收發信機其被選用於次一 TDMA時 框之一特定接收時槽上。步驟1 6 8然後還回該程序至開 始處（步驟160a — c)。 圖4流程圖中所述之程序現參考示範之遠地收發信機 1 1 2及示範之地區收發信機1 3 0來作說明》 經濟部中央標準局員工消費合作社印製 進來資訊之處理 圖5顯示一遠地收 112a-c設計佈署 胞1 1 5。遠地收發信 用以接收來自行動站之 程圖步驟160。行動 並受指令在一特定之頻 收頻帶（相當於行動站 MHz，以 200KH 一旦收到來自行動 204開始下變換。混 之其本地振盪（L 〇 ) 1 2 0上之類比鏈路接 入。一表面聲音波形（ (請先閲讀t面之注意事項再填寫本頁) 發信機1 1 2 »多個遠地收發信機 於各地點114a- c ，以構成單 機112包含一接收天線202, 進來資訊之進來信號。此相當於流 站各受分配一發射TDMA時槽， 率上發射。例如，G SM基地站接 發射頻帶）爲自890 — 9 1 5 z增加。 站之進來信號時，一前端混波器 波器2 0 4接收來自濾波器2 1 2 輸入信號，此濾波器經由電纜 收來自地區收發信機1 3 0之其輸 SAW)濾波器2 0 8繼續該下變 私紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 13 經濟部中央標準局貝工消費合作社印製 A 7 B7 五、發明説明（11 ) 換過程。其結果爲約1 0 . 7MHz之進來中頻（I F) 信號。一自動增益控制器2 0 8用以維持I F信號於一定 之高度。IF信號然後提供給一開關210及一多樣化邏 輯電路2 1 4。 開關2 1 0由地區收發信機1 3 0設定於前時框中》 開關210之設定在選擇具有最大信號強度之遠地收發信 機來傳送分配於特定進來時槽中之行動站所發出之進來資 訊。即是，每一遠地收發信機設定其開關2 1 0於與 TDMA時框中每一時槽相關之位置。例如，如一特定之 遠地收發信機對分配於時槽一及四中之行動站具有最大之 信號強度，則該遠地收發信機設定其開關2 1 0之位置， 俾使時槽一及四之I F可發送於資料鏈路1 2 0上》 多樣化邏輯電路2 1 4量度進來之信號強度，並對每 一時槽之每一進來信號產生一接收信號強度指示（ RSSI)。此相當於流程圖步驟162。多樣化邏輯電 路2 1 4接收來自同步定時電路2 2 4之同步信號，以適 當收集RSS I資訊》RSS I資訊由資料調變器2 1 6 數位化及調變。R S S I資訊經譯碼爲資料字，並在每一 接收時發送至地區收發信機1 3 0，如顯示於圓3。如圖 所示，資料字使用16數元組，以6數元組（C1 一 C6 )用以傳送RS S I資訊自遠地收發信機1 1 2經資料鏈 路1 2 0至地區收發信機1 3 0。如此，每一示範之單胞 中可支持多至六個遠地收發信機。當然，在其他之實施例 中，可安排更多之遠地收發信機。 本紙張尺度通用中國國家標準（CNS ) A4規格（210X 297公釐） .----------^.— (請先閲i#-背面之注意事項再填寫本頁) -訂 -線- -14 - A7 B7 經濟部中央標準局員工消費合作社印製 五、 發明説明（12 ) 1 圖 6顯示 地區收 發 信 機 1 3 0 » 在 此 接 收 在 資 料 鏈 路 1 1 1 2 0 上之進 來資訊 > 並 由 濾 波 器 3 0 2 及 3 0 6 週 濾 〇 1 1 濾 波 器 3 0 2 具有約 1 0 • 7 Μ Η Ζ 之 中 心 頻 率 » 而 濾 波 1 1 請 1 I 器 3 0 6則具 有約4 8 Μ Η Ζ 之 中 心 頻率 〇 先 閱 1 1 讀 濾 波器3 0 2通 過 進 來 資 訊 而 至 —. G S Μ 資 料 偵 測 器 背 面 1 I 3 0 4 ，此直 接與C P U 3 5 0 交 通 0 C Ρ U 3 5 0 執 行 之 注 意 1 1 I 信 號 處 理功能 ，用以 對 進 來 資 訊 解 碼 〇 或 且 » 可 使 用 — 信 事 項 再 1 1 | 號 處 理 器，以 對進來 資 訊 解 碼 〇 - 旦 C Ρ U 3 5 0 已 對 進 寫 本 1 裝 來 資 訊 解碼’ 則C Ρ U 3 5 0 發 送 進 來 資 訊 至 Ε 1 卡 頁 1 1 1 3 4 ，此發 送該資 訊 至 一 基 地 控 制 站 ( Β S C ) » 行 動 1 1 服 務 中 心（Μ S C ) Ρ Β X 0 或 其 他 類 似 之 電 路 網 路 〇 1 1 濾 波器3 0 6通 iia, 過 進 來 之 R S S I 資 訊 而 至 一 資 料 偵 訂 I 測 器 3 0 8。 R S S I 控 制 器 3 1 2 接 收 R S S I 資 訊 y 1 I 並 決 定 何個遠 地收發 信 機 具 有 最 大 接收 信 號 強 度 亦相 當 1 1 | 於 流 程 圖步驟 16 2 〇 R S S I 控 制 器 3 1 2 儲 存 1 1 線 1 R S S I資訊 ，以選 擇 來 白 接 收 最 強 信 號 之 遠 地 收 發 信 機 之 進 來 資訊。 此選擇 係 在 次 — 時 框 中 執 行 由 向 外 發 送 選 1 1 擇 資 訊 (圖3 之區A ) 經 控 制 資 訊 資 料 調 變 器 3 1 0 及 所 選 之 收 發信機 112 中 之 設 定 開 關 2 1 0 而 達 成 〇 此 相 當 I 於 流 程 圖步驟 16 8 〇 此 步 驟 使 R S S I 控 制 器 3 1 2 可 1 I 控 制 在 逐個時 框之基 礎 上 接 收 來 白 行 動 站 之 資 訊 〇 在 次 — I 1 I 時 框 之 期間中 ，R S S I 控 制 器 3 1 2 指 令 具 有 最 強 1 1 R S S I (來 自最後 時 框 ) 之 遠 地 收 發 信 機 操 作 其 開 關 1 1 2 1 0 ，以置 進來之 資 訊 於 資 料 鏈 路 1 2 0 上 0 1 1 通 度 尺 紙 尽 準 標 家 國 國 祕 § 經濟部中央標準局員工消費合作社印製 ^18728 a7 _____B7_ 五、發明説明（13 ) 出去資訊之處理 經由E 1卡1 3 4接收來自遠地網路之出去資訊。 C P U 3 5 0對出去資訊譯碼，以便發送至行動站。在本 實施例中，相當於流程圖步驟1 6 4，所有遠地收發信機 同時廣播出去資訊至行動站。此確保由預定之行動站接收 ，並降低控制複雜性。然而，在另外之實施例中，預期由 選定之遠地收發信機個別發射。 在出去之通信上，與進來之通信相似，每一行動站受 分配一接收TDMA時槽，並受指令在一特定之頻率上接 收。例如，G SM基地站發射頻帶（相當於行動站接收頻 帶）爲自935—960MHz，以200KHz增加。 C P U 3 5 0發送經譯碼之出去資訊至合成器3 2 0 及資料調變器3 2 2。此二電路與發射激勵器3 2 4交通 ，此傳送資訊至濾波器3 2 6，及然後至遠地收發信機 112。 在同時發射出去資訊之期間中所發生之一問題爲干擾 。由於每一遠地收發信機發射出去資訊，故在各地點發生 重眷，引起駐立零點，行勖壯亦此處不能收到功率β駐立 零點在一行動站可能在一單個地點，例如一辦公桌處停留 一段時間之辨公室之情形中特別引起問題。爲消除駐立零 點問題，出去信號之功率在逐個時框之基礎上變化。此由 發送一多樣化捽制信號至遠地收發信機，以控制該遠地收 發信機之發射功率來·達晚~。此相當於流程圖步驟1 6 6， 本紙張尺度適用中國國家標隼（CNS ) Α4規格（210Χ 297公釐} ----^-------批衣------、玎—-----^ (請先閲背面之注意事項再填寫本頁) 16 - A7 B7 3137^8 五、發明説明（14 ) 且包含於圖3之區A之控制資訊中。由在骞倜時框之基礎 上改變發射功率，實際在逐個時框之基礎上移動零點。如 此，在操作中，可能由於行動站位於一零點上而喪失一個 時框，但可收到次一時框，因爲零點移離行動站所在處之 前零點。如此，由零點所造成之資料喪失幾乎消除，因爲 已知之改錯碼可重建該損失單個時框之資訊之一完整訊息 〇 一旦遠地收發信機1 1 2收到出去資訊時，濾波器 2 2 0接收出去資訊，並傳送該資訊至功率放大器2 2 2 。同時，資料偵測器2 1 8接收來自地區收發信機1 3 0 之出去資料，並傳送該資訊同步定時電路2 2 4。定時電 路2 2 4然後更改功率控制電路2 2 6，在逐個時框之基 礎上改變輸出功率強度，如多樣化控制器3 1 2所指令（ 譯碼爲資料字）。此功率強度之修改用以移去零點，並促 進與一固定位置之行動站之高品質通信。 結論 本發明之優點包含改善簞胞邊界控_制，降低干擾，容 忍錯誤，及更有效率使用無裤電資源。而且行動之使用者 經驗提高電池壽命，因爲行動站發射功率需求降低。 已發表示範之實施例及最佳模式，所發表之實施例可 作更改及修改，同時保持於後附申請專利範圍所界定之本 發明之範圍內。 本紙張尺度適用中國國家標準（CNS)錢格（廳2赠） ---.-------^------1T—-----^ (請先閱诊背面之注意事項再填寫本頁) 經濟部中央標準局貝工消費合作社印袈A7 B7 3728 V. Description of the invention (1) The relevant application (please read the precautions on the back and then fill out this page) The application for this application is related to the US serial number 60/006 submitted on January 1, 1-3 , 656, entitled "Multi-antenna Cellular Network," the priority of all common subject matters. This application lists the following patent applications for reference: US Serial No. 08 / 435,709, May 4, 1959, titled, Cellular Private Exchange Extension 〃; In 1959 US serial number 08 / 435,838, proposed on May 4, titled Method and Device for t-smart exchange; US serial number 08 / 434,597, proposed on May 4, 1995, titled ^ Adaptive Frequency alerting spread spectrum communication network '; US serial number 08 / 434,544, proposed on May 4, 1995, titled' Spread spectrum communication network signal processor f: and Central Bureau of Standards of the Ministry of Economic Affairs The Employee Consumer Cooperative was printed on May 4th, 1995. The serial number 08 / 434,598, entitled "Cell-type Base Station with Smart Call Routing". Part of the invention The present invention relates to a multi-antenna cellular network. Specifically, the present invention is used in a cell-type communication network to customize cell boundaries to cope with obstacles such as walls, ceilings, floors, and buildings to reduce interference. 4-This paper size is applicable China National Standard (CNS) A4 specification (210 X 297 mm) Printed by the Ministry of Economic Affairs, Central Bureau of Customs and Industry, Beigong Consumer Cooperatives 513728 V. Invention description (2) and improve performance and service quality. BACKGROUND OF THE INVENTION Standard cellular communication networks are generally divided into geographical single cells. Each unit cell usually contains a central antenna, which is circular and slightly overlaps with the adjacent unit cell. The base transceiver signal is deployed near each antenna to communicate with the mobile station in the unit. Factors that affect the design and deployment of unit cells include the number of mobile stations to be served in a specific area, the use of mobile stations and base stations, power strength, and accessibility. Other factors include the type of communication agreement, such as time-cutting multi-entry (TDMA), frequency-sweeping multi-entry (FDMA), code-coding multi-entry (CDMA), or other types. The transmission power and communication agreement usually determine the size of the unit cell and how many users each cell can support. When designing a cell network, a specific number of users can be composed of a specific number of cells and associated hardware (Including base transceiver station) services. When a mobile station moves from one cell to another, a hands-off procedure is performed so that the mobile station can communicate with the base transceiver station that receives the strongest signal from the mobile station. However, in some cases, the signal is blocked by obstacles such as buildings and mountains. To cope with such obstacles, multi-path signal processing is performed, but this is not successful in all possible locations. To serve all locations, additional antennas or repeaters are required to be covered, even if they cannot support additional capacity. Such hardware deployment is not effective. Low-power cellular networks (such as those designed to serve a building) with the paper size applicable to the Chinese National Standard (CNS) A4 specification (210X 297 mm) ------------ (Please read the precautions on the back before filling in this page). Order-5-Printed by the Central Standards Bureau of the Ministry of Economic Affairs, Jeonggong Consumer Cooperative A 7 B7 V. Description of Invention (3) There is the same problem. In this case, the obstacles are walls, floors, and ceilings. In order to cope with these obstacles, an additional day release was deployed to create additional cells. Similarly, the result is that the thin external antennas or repeaters do not increase the number of mobile stations served. Similarly, this deployment lacks effectiveness. Therefore, the limitation of the existing system is that these require additional antenna and repeater hardware to provide services to mobile stations moving behind obstacles. This led to the deployment of a large amount of hardware to communicate with a small number of mobile stations. SUMMARY OF THE INVENTION The present invention relates to a multi-antenna cellular network. Specifically, the present invention is used in a one-cell communication network to customize cell boundaries to meet obstacles such as walls, ceilings, floors, and buildings to reduce interference, improve performance, and improve service quality. Provides exemplary embodiments for use in Global Mobile Communications System (G SM) negotiations and can be applied to other cellular communications and digital technologies. A multi-antenna cellular network communicates with a mobile station on multiple antennas. Each wireless is arranged in multiple locations to customize one or more cells. A transceiver is connected to the antenna and is arranged to receive incoming information from the mobile station and transmit outgoing information to the mobile station. A processor is connected to the transceiving signal and is arranged to decode the incoming information and decode the outgoing information to communicate with the mobile station. In another embodiment, the antennas are also deployed to form one or more cells. Continuously change the transmitted signal power to improve the quality, and move the zero point, so that users in a fixed position can receive high-quality signals. "This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210X297 gong) ------ ----- Ί — (Please read the precautions on the back before filling in this page) Dingquan A7 B7 S13728 Five 'Invention Description (4) The advantages of the present invention include improving the border control of unit cells, reducing interference, and tolerating errors , And more efficient use of radio resources. Moreover, mobile 2L users can experience battery life plus # because mobile station transmission power requirements are reduced. BRIEF DESCRIPTION OF THE DRAWINGS After reading the following detailed description and referring to the enclosed circle, other advantages of the present invention can be understood. In the drawings: FIG. 1 depicts a multi-antenna cellular network, showing customization of one embodiment of the present invention A single cell, multiple remote transceivers, a local transceiver, and a processor; FIG. 2 depicts a communication spectrum between a remote transceiver and a local transceiver according to an embodiment of the present invention; FIG. 3 It is a control data word for traffic between a remote transceiver and a local transceiver in one embodiment of the present invention; FIG. 4 is a flowchart showing the operation of a multi-antenna cellular network according to an embodiment of the present invention : Figure 5 is a schematic diagram of a remote transceiver according to an embodiment of the invention; and Figure 6 is a schematic diagram of a regional transceiver according to an embodiment of the invention. Detailed description of the invention is related to a multi-antenna cellular network road. Specifically, the present invention is used in a cell-type communication network for customizing the arrangement of unit cell boundaries to meet obstacles. This paper standard applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) ---- ------ ^ _ (Please read the precautions on the back before filling in this page) Order A7 B7 3137,28 printed by the Beigong Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy V. Description of invention (5) (Please read the back first Matters needing attention before filling this page) objects, such as walls, ceilings, floors, and buildings, to reduce interference, improve performance, and improve service quality. Provide exemplary embodiments for TDMA communication protocol and global mobile communication system (GSM) protocol, and can be applied to other cellular communication and digital technology. The overview of G SM is described in the serial number 08 / 434,597 of the US patent application filed on May 4, 1959. It is titled a "Adaptive Frequency Alert Spread Spectrum Communication Network". Exemplary embodiments are described here with reference to specific arrangements and agreements. For example, an embodiment using non-frequency hopping communication is described, but it can be implemented on frequency hopping. Those skilled in the art know that these exemplary implementations ^ may be subject to various changes and modifications while remaining within the scope of the present invention. The present invention can use any TDMA, FDMA, CDMA, or other similar communication protocol. "Hardware Arrangement" Printed by the Ministry of Economic Affairs, Central Bureau of Customs and Approval, Beigong Consumer Cooperative Society. Referring to FIGS. 1 to 6, an exemplary embodiment will be described. FIG. 1 shows a multi-antenna cell network according to an embodiment of the present invention. Figure 1 shows two single cells 1 1 5 and 1 1 9 in a building facility. Although this embodiment uses the unit cell 1 15 and its component parts as the description, the description is equally applicable to the unit cell 1 19 and its component parts. Multiple remote transceivers 1 1 2 a-c are placed at several locations 114a-c to form a unit cell 115. Each location 114a-c represents the primary unit cell that makes up the unit cell 115. For example, the remote transceiver 1 1 2 a-c can be placed in a room or corridor to form a unit cell 1 1 5 »This paper scale is applicable to the Chinese National Standard (CNS) A4 specification (210Χ297mm) '_ _B7_ V. Description of the invention (6) (please read the precautions on the back before filling in this page) The unit cell 1 1 5 has a shape consisting of remote transceivers 1 1 2 a — c and each remote transceiver 1 1 2 a-c It has the definition of transmit power. In this embodiment, all remote transceivers 1 1 2 a-b have a common transmission and reception cycle (described below). This enables a mobile station to move between each unit cell 1 1 4 a-c within unit cell 1 1 5 and experience continuous high-quality communication. All remote transceivers 1 1 2 a-C are connected to a local transceiver 130a via data link 120a. Similarly, all remote transceivers 1 1 6 a-c are connected to a local transceiver 130b via data link 1 2 0 b. The data link 120a_b may be coaxial cable, fiber optic cable, or other types of communication media, such as RF link ~ Moreover, any number of remote transceivers can be connected to a region to send and receive signals. There are six remote transceivers in each region as a common arrangement. This arrangement allows several remote transceivers to be placed in several locations to provide a customized unit cell with any one of the actual spatial parameters. For example, the unit cell may be an entire building, a single floor in a building, half a floor in a building, a building in a district, or any other actual spatial parameter. The regional transceiver 1 3 0 a-c printed by the Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs is mounted on a printed circuit board. These are installed in a box 1 3 2 and are connected to a communication interface card 1 3 on the back plane 4. Such as an E1 interface card communication. Any number of regional transceivers can be placed in box 1 3 2 to increase the number of available cells that can communicate through E 1 communication interface 1 3 4. There are six regional transceivers in each box as a general arrangement. Moreover, additional E 1 cards can be installed to increase the output of high-end communications. Although this embodiment uses an E1 card, the present invention can use any communication interface, such as the paper standard applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) ~ 9-013728 A7 ____B7 5. Description of the invention (7 ) Ding 1, PSTN, Ethernet, I SDN, or other types of communication interfaces. It is expected that there will be two basic network security: a sure stream arrangement, where the remote transceivers are each connected to a telecom; and a one-star arrangement, where the remote transceivers are each connected by a separate cable. For example, a system in a building can use a bus arrangement, where a single regional transceiver is connected to multiple remote transceivers, and these are connected to a single bus. On the other hand, the star arrangement connects the regional transceivers From a remote transceiver to multiple remote transceivers, each of which uses a dedicated cable. The actual implementation depends on a variety of factors, including the physical spatial parameters of the unit cells, the number of mobile stations each cell needs to support, and the addressing technology used to identify remote transceivers and track mobile stations. Printed by Beigong Consumer Cooperative, Central Bureau of Standards, Ministry of Economic Affairs (please read the precautions on the back before filling out this page) In the exemplary embodiment shown in Figure 1, the arrangement is a bus arrangement, and the remote transceiver 1 1 2 a – c each have a decoding address, and local transceivers 1 3 0 a can recognize incoming information from specific remote transceivers. After the call is initiated, the communication frequency of the mobile station * and the incoming and outgoing T DMA time slots are allocated to the mobile station, and the mobile station can be moved between the single cells 1 1 4 a-c in the single cell 1 1 5 while maintaining On the same communication frequency, the remote transceivers 1 1 2 a-c all receive ongoing information from the mobile station and process the incoming information to determine which has the strongest signal. Then, the remote transceiver with the strongest signal transmits the incoming information via the data link 1 2 0 a to the regional transceiver 1 3 0 a. The outgoing information is sent by all remote transceivers 1 1 2 a-c to the mobile station at the allocated outgoing frequency at the same time and during the allocated outgoing T DMA time slot. This paper standard is universal Chinese National Standard (CNS) A4 specification (210X297mm) 10-Printed by the Beigong Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs A7 ____ B7 5. Description of the invention (8) Information processing The incoming information is sent and received from all remote locations The receiver 1 1 2 a — c receives, and the outgoing information is transmitted by all remote transceivers 1 1 2 a _ c. Incoming information needs to be processed in an orderly manner to ensure the correct remote transceiver with the strongest signal 1 1 2 a _ c transmits the incoming information to the local transceiver 1 3 0 a in each TDMA time slot. Moreover, the outgoing information needs to be processed in an orderly manner to ensure that the correct power intensity is transmitted in each TDMA time slot according to a predetermined method. Figure 2 shows the frequency allocation of data link 1 2 0. Reference number 15 0 is the control information frequency between remote transceivers 112a-c and regional transceivers 1 3 0 a. The control information is displayed in more detail in J1 3, which shows three areas A, R, and C. Zone A is from the local transceiver to the remote transceiver. Zone A has a preamble of 2 tuples, a receiver selection of 1 tuple, and a transmission power intensity of 6 tuples. The receiver selects the tuple to identify which remote transceiver is selected to transmit the incoming information in the next incoming information time slot. The 6-tuple of transmit power strength informs the remote transceiver of the power strength to be transmitted. Zone B is a 1-byte delay, which can be used as a measure of R S S I. Zone C is the communication from the remote transceiver to the local transceiver. Zone C has 6 tuples for each remote transceiver to transmit the R S S I strength from the remote transceiver to the regional transceiver. Although zone C is shown to have 6 tuples, zone C can be modified to include more or fewer tuples to accommodate more or fewer remote transceivers. The control information containing areas A, B, and C uses 576 # s to complete the transfer. Each paper size is applicable to China National Standard (CNS) Α4 specification (2ΙΟΧ297mm). 11----------- batch approve ------ lτ ------- ^ (please Please read the precautions on the back of the page before filling in this page.) A7 ___B7 printed by the Beigong Consumer Cooperative of the Central Bureau of Economic Affairs of the Ministry of Economic Affairs 5. Description of the invention (9) The tuple consists of 1 start count and 2 stop count for each 11 digits of the data tuple. The result is the minimum element period of 3.27 # s. Figure 2 also shows the reference number 1 5 2, which means that the ^ capital ^ _ Yan-berry is the frequency of the selected remote transceiver to transmit the incoming information to the local transceiver in the information slot. Reference number 1 5 4 is the vibration frequency rate, which keeps the remote transceiver and the regional transceiver synchronized. Reference number 1 5 6 is the outgoing information frequency base. This is the frequency used by local transceivers to send outgoing messages to remote transceivers. The flowchart operation of the exemplary embodiment is shown in FIG. 4. This flowchart shows several procedures, including incoming information processing and outgoing information processing. In step 160a-c, all remote transceivers 112a-c receive all data from the unit cell. The incoming information of the mobile station and measure the received signal strength. In step 162, the selected remote transceiver transmits incoming information to the local transceiver 1 3 0 a, and all remote transceivers transmit RSSI information to the local transceiver 1 3 in each time slot of the TDMA time frame 0 a. The local transceiver 1 3 0 a determines which remote transceiver 1 1 2 a _ c has the maximum signal strength for each received signal. When a mobile station moves to another cell 1 1 4 a-c (within the same cell 1 1 5), a stronger received signal can be seen from a different remote transceiver. The regional transceiver noted that a new remote transceiver should be used as the receiver, and the connection to the old remote transceiver should be cut off. The regional transceiver decides to transfer the remote transceiver in the next T DMA time frame. In step 1 6 4, the regional transceiver 1 3 0 a sends out the information. The paper size is applicable to China National Standard (CNS) A4 specification (210X297mm) ---------- 1 ---- -、 玎 | ----- Line (please read the precautions on the back of t #-before writing this page) -12-A7 ____B7 5. Description of Invention (l〇) To all remote transceivers 1 1 2 a — c. The power intensity information shown in the area A of FIG. 3 is transmitted together with the outgoing information. The regional transceiver 1 3 0 a changes the power intensity of each remote transceiver 1 1 2 a_c in each TDMA time frame, with the actual moving zero "in step 1 6 8 to inform the new remote transceiver that it is selected At a specific receiving time slot of the next TDMA time frame. Step 1 6 8 then return the procedure to the beginning (steps 160a-c). The procedure described in the flow chart of FIG. 4 will now be explained with reference to the demonstration remote transceiver 1 1 2 and the demonstration regional transceiver 1 3 0. "The processing of the incoming information printed by the employee consumer cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs Show a distant collection of 112a-c design deployment cells 1 1 5. The remote transmission and reception is used to receive the program step 160 from the mobile station. The action is instructed by a specific frequency receiving band (equivalent to the mobile station MHz, 200KH once received from action 204 to start down conversion. Mixed with its local oscillation (L 〇) 1 2 0 analog link access. A surface sound waveform ((Please read the precautions on the t side before filling out this page) Transmitter 1 1 2 »Multiple remote transceivers at various locations 114a-c to form a single unit 112 including a receiving antenna 202, come in Incoming signal of information. This is equivalent to that the streaming stations are each assigned a transmit TDMA time slot and transmit at a higher rate. For example, the G SM base station is connected to the transmitting frequency band). It increases from 890-9 15 z. When the incoming signal of the station, one The front-end mixer waver 2 0 4 receives the input signal from the filter 2 1 2, and this filter receives its output SAW from the regional transceiver 1 3 0 via the cable) The filter 2 0 8 continues the downriver paper size Applicable to China National Standards (CNS) A4 specifications (210X297mm) 13 Printed by the Beigong Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs A 7 B7 V. Description of invention (11) Change process. The result is an incoming intermediate frequency (IF) signal of about 10.7MHz. An automatic gain controller 208 is used to maintain the I F signal at a certain height. The IF signal is then provided to a switch 210 and a diversified logic circuit 2 1 4. The switch 2 1 0 is set by the local transceiver 1 3 0 in the pre-time box. The switch 210 is set to select the remote transceiver with the greatest signal strength to transmit the incoming from the mobile station allocated in the specific incoming time slot. Information. That is, each remote transceiver sets its switch 2 1 0 to the position associated with each time slot in the TDMA time frame. For example, if a particular remote transceiver has the greatest signal strength for mobile stations allocated in time slots one and four, the remote transceiver sets the position of its switch 2 1 0 to make time slots one and four IF can be sent on the data link 120. Diversified logic circuit 2 1 4 measures the incoming signal strength and generates a received signal strength indicator (RSSI) for each incoming signal in each time slot. This corresponds to step 162 of the flowchart. The diversified logic circuit 2 1 4 receives the synchronization signal from the synchronization timing circuit 2 2 4 to properly collect RSS I information. The RSS I information is digitized and modulated by the data modulator 2 16. The R S S I information is decoded into data words and sent to the local transceiver 1 3 0 at each reception, as shown in circle 3. As shown in the figure, the data word uses 16 tuples, and 6 tuples (C1 to C6) are used to transmit RS SI information from the remote transceiver 1 1 2 to the local transceiver 1 via the data link 1 2 0 3 0. In this way, up to six remote transceivers can be supported in each demonstration unit cell. Of course, in other embodiments, more remote transceivers can be arranged. The size of this paper is universal Chinese National Standard (CNS) A4 specification (210X 297mm) .---------- ^ .— (Please read i # -Notes on the back and fill in this page) -Subscribe -Line- -14-A7 B7 Printed by the Employees ’Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs 5. Description of the invention (12) 1 Figure 6 shows the regional transceiver 1 3 0» Received here on the data link 1 1 1 2 0 Incoming information > and filtered by filters 3 0 2 and 3 0 6 cycles 〇1 1 filter 3 0 2 has a center frequency of about 1 0 • 7 Μ Η ZO »and filter 1 1 please 1 I device 3 0 6 It has a center frequency of about 4 8 Μ Η Ｍ 〇 read first 1 1 read filter 3 0 2 through the incoming information to-GS Μ data detector back 1 I 3 0 4, which directly communicates with the CPU 3 5 0 0 C Ρ U 3 5 0 Note to perform 1 1 I signal processing function, used to decode incoming information 〇or and »can be used — letter matters again 1 1 | processor to resolve incoming information 〇- Once C Ρ U 3 5 0 has loaded the incoming copy 1 with information decoding ', then C Ρ U 3 5 0 sends the incoming information to the Ε 1 card page 1 1 1 3 4, which sends the information to a base control station ( Β SC) »Action 1 1 Service Center (M SC) Ρ Β X 0 or other similar circuit network 〇 1 1 filter 3 0 6 through iia, through the incoming RSSI information to a data detection I detector 3 0 8. The RSSI controller 3 1 2 receives RSSI information y 1 I and determines which remote transceiver has the maximum received signal strength is also equivalent 1 1 | in the flowchart step 16 2 〇RSSI controller 3 1 2 store 1 1 line 1 RSSI information To select the incoming information of the remote transceiver to receive the strongest signal. This selection is performed in the secondary-time frame by sending out the selected information (area A in Figure 3) through the control information data modulator 3 1 0 and the setting switch 2 1 in the selected transceiver 112 0 and this is achieved. This is equivalent to step 16 in the flowchart. 8 This step enables the RSSI controller 3 1 2 to control the receipt of information from the white mobile station on a time-by-time basis. In this case-I 1 I time frame During the period, the RSSI controller 3 1 2 instructs the remote transceiver with the strongest 1 1 RSSI (from the last time frame) to operate its switch 1 1 2 1 0 to place the incoming information on the data link 1 2 0 0 1 1 Full-scale ruler paper as far as the standard home country secrets § Printed by the Employee Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economy ^ 18728 a7 _____B7_ V. Description of invention (13) Processing of outgoing information Received from the remote network via E 1 card 1 3 4 Way out information. C P U 3 5 0 decodes the outgoing information for transmission to the mobile station. In this embodiment, equivalent to steps 164 of the flowchart, all remote transceivers broadcast information to the mobile station at the same time. This ensures that it is received by the intended mobile station and reduces the control complexity. However, in other embodiments, it is expected that the selected remote transceiver will transmit individually. In outgoing communications, similar to incoming communications, each mobile station is assigned a TDMA time slot to receive and is instructed to receive on a specific frequency. For example, the transmission band of the G SM base station (equivalent to the reception band of the mobile station) is from 935 to 960 MHz, which is increased by 200 KHz. C P U 3 5 0 sends the decoded outgoing information to the synthesizer 3 2 0 and the data modulator 3 2 2. The two circuits communicate with the transmit exciter 3 2 4, which transmits the information to the filter 3 2 6 and then to the remote transceiver 112. One of the problems that occurred during the simultaneous transmission of information was interference. Since each remote transceiver transmits information, attention is paid to each location, causing a standing zero point, and strong travel can not receive power here. Β standing zero point may be in a single location at a mobile station, such as a The situation in which the office stays at the desk for a certain period of time is particularly problematic. To eliminate the problem of standing zero, the power of the outgoing signal changes on a time-frame-by-frame basis. This is done by sending a variety of controlled signals to the remote transceiver to control the transmission power of the remote transceiver. This is equivalent to steps 1 to 6 in the flow chart. This paper scale is applicable to China National Standard Falcon (CNS) Α4 specification (210Χ 297 mm) ---- ^ ------- batch clothing ------,玎 —----- ^ (Please read the precautions on the back before filling in this page) 16-A7 B7 3137 ^ 8 5. Description of the invention (14) and included in the control information of area A in Figure 3. Change the transmission power based on the time frame, and actually move the zero point on a time frame basis. Thus, in operation, a time frame may be lost due to the mobile station being at a zero point, but the next time frame may be received , Because the zero point moves away from the zero point before the mobile station. Thus, the data loss caused by the zero point is almost eliminated, because the known error correction code can reconstruct a complete message of the lost single time frame information. Once the remote transceiver 1 1 2 When the outgoing information is received, the filter 2 2 0 receives the outgoing information and transmits the information to the power amplifier 2 2 2. At the same time, the data detector 2 1 8 receives the outgoing data from the regional transceiver 1 3 0 And transmit the information to synchronize the timing circuit 2 2 4. The timing circuit 2 2 4 then changes the power Control circuit 2 2 6 to change the output power intensity on a time-frame-by-frame basis, as instructed by the diversified controller 3 12 (decoded into data words). This power intensity modification is used to remove the zero point and promote A high-quality communication of a fixed-position mobile station. Conclusion The advantages of the present invention include improved control of the border of the cell, reduction of interference, tolerance of errors, and more efficient use of pant-free power resources. Moreover, the user experience of the mobile improves battery life Because the transmission power requirements of mobile stations are reduced. Demonstrative embodiments and best modes have been published. The published embodiments can be modified and modified while remaining within the scope of the invention as defined by the appended patent application. This paper The scale is applicable to the Chinese National Standard (CNS) Qiange (gift from Hall 2) ---.------- ^ ------ 1T —----- ^ (Please read the notes on the back of the clinic (Fill in this page again) Seal of Beigong Consumer Cooperative, Central Bureau of Standards, Ministry of Economic Affairs