TW201352020A - 用於無線網路中之自行最佳化功能的協調之方法及設備 - Google Patents

用於無線網路中之自行最佳化功能的協調之方法及設備 Download PDF

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TW201352020A
TW201352020A TW102108459A TW102108459A TW201352020A TW 201352020 A TW201352020 A TW 201352020A TW 102108459 A TW102108459 A TW 102108459A TW 102108459 A TW102108459 A TW 102108459A TW 201352020 A TW201352020 A TW 201352020A
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son
request
coordination
coc
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TW102108459A
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TWI481267B (zh
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喬伊 周
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英特爾股份有限公司
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
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    • H04L5/1446—Negotiation of transmission parameters prior to communication of transmission speed
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Abstract

用於無線網路中之自行最佳化功能的協調之網路管理裝置及方法。用於自行最佳化功能的協調之網路管理裝置包括一或更多個處理器及介面。該介面與複數增進型節點B(eNodeB)通訊。該介面配置成接收改變一增進型節點B(eNodeB)之涵蓋區或能力的請求。該介面進一步配置成傳送詢問至eNodeB以獲得該eNodeB之自行最佳化網路(SON)協調狀態。該一或更多個處理器配置成基於協調策略及SON協調狀態判定是否准予或拒絕該請求。

Description

用於無線網路中之自行最佳化功能的協調之方法及設備
實施例有關於無線通訊。尤其，實施例有關於無線通訊系統內之細胞的自行最佳化功能之間的協調。一些實施例有關於第三世代夥伴計畫、技術規格群服務及系統態樣(Technical Specification Group Services and System Aspects)、電信管理、自行組織網路(SON)策略網路資源模型(NRM)整合參考點(IRP)、資訊服務(IS)3GPP TS 32.522。
在無線網路的上下文中，自行最佳化為分析增進節點B(eNodeB)之測量資料，並且調諧eNodeB之無線電和輸送參數以實現最佳網路性能、涵蓋區、及能力的一種程序。自行最佳化網路(SON)可實施各種SON功能，包括例如負載平衡、交接最佳化(HO)、涵蓋區及能力最佳化(CCO)、細胞停運補償(COC)、及節能管理(ESM)。這些最佳化功能藉由組態eNodeB之參數 來改變細胞的涵蓋區及能力。示範參數可包括下鏈傳輸之傳輸功率、天線傾角、方位角參數。
在目前的第三世代夥伴計畫(3GPP)長期演進(LTE)系統中，SON功能可獨立操作來改變一或更多個eNodeB的這些或其他參數。然而，目前的3GPP LTE先進系統不支援SON功能間的協調。因此，兩或更多個SON功能可能同時操作來改變相同eNodeB的相同組態參數。衝突會出現且因此在受影響的eNodeB中會發生不穩定性。
故普遍需要用以在無線網路內協調SON功能之操作的系統和方法。
100‧‧‧無線通訊網路
101‧‧‧第一eNodeB
102‧‧‧第二eNodeB
103‧‧‧第三eNodeB
104‧‧‧第四eNodeB
200‧‧‧系統
201‧‧‧eNodeB
202‧‧‧eNodeB
203‧‧‧eNodeB
204‧‧‧eNodeB
205‧‧‧eNodeB
206‧‧‧元件管理器
207‧‧‧元件管理器
300‧‧‧處理器
301‧‧‧eNodeB
302‧‧‧記憶體
304‧‧‧收發器
306‧‧‧指令
400‧‧‧機器
402‧‧‧硬體處理器
404‧‧‧主記憶體
406‧‧‧靜態記憶體
408‧‧‧互聯
410‧‧‧顯示單元
412‧‧‧字母數字輸入裝置
414‧‧‧使用者介面導引裝置
416‧‧‧儲存裝置
418‧‧‧信號產生裝置
420‧‧‧網路介面裝置
421‧‧‧感測器
424‧‧‧資料結構或指令
426‧‧‧通訊網路
428‧‧‧輸出控制器
第1圖繪示其中實施示範實施例的無線通訊網路之一示範部分。
第2圖繪示顯示用於實施根據一些實施例的自行最佳化網路功能的協調之系統架構的示範區塊圖。
第3圖繪示顯示根據一些實施例的包括在第1或2圖之無線通訊網路中的eNodeB之細節的示範區塊圖。
第4圖繪示顯示根據一些實施例的包括在第2圖之網路管理器(NM)之細節的示範區塊圖。
第5圖繪示描繪用於實施自行最佳化網路功能的協調之信號及訊息的信號流程圖。
提出下列說明使熟悉此技藝的任何人士得以創造並使用電腦系統組態及相關的方法和製造物件來協調無線通訊網路內的域管理器(DN)或增進型節點B(eNodeB)所進行之自行最佳化網路(SON)功能。實施協調策略以判定eNodeB可能實施不同SON功能的情況。在至少一個示範實施例中，協調策略將eNodeB的目前狀態納入考量。協調策略可進一步基於將改變eNodeB至其之希望的SON功能之識別碼(identity)，或與希望的SON功能相關之輸入。
熟悉此技藝人士可輕易做出對諸實施例的各種修改，且可施加在此所界定之上位原理至其他實施例和應用而不背離本發明的範圍。此外，於下說明中，為了解釋而提出各種細節。然而，此技藝中具有通常知識者會明白到可在不使用這些特定細節下實行本發明之實施例。在其他例子中，並未以區塊圖形式顯示眾所皆知的結構和程序以不用非必要的細節來模糊本發明之實施例的說明。因此，本揭露不意圖限於所示實施例，而應賦予與在此揭露之原理和特徵一致之最廣範圍。
第1圖繪示其中可實施示範實施例的無線通訊網路100之一示範部分。在一實施例中，無線通訊網路100包含使用第三世代夥伴計畫(3GPP)長期演進(LTE)標準之經演進通用地面無線電接取網路 (EUTRAN)。在一實施例中，無線通訊網路100包括第一eNodeB 101、第二eNodeB 102、第三eNodeB 103、及第四eNodeB 104(亦稱為第一基地站101、第二基地站102、第三基地站103)。第一eNodeB 101充當某一地理區域細胞(Cell)1。類似地，第二eNodeB 102充當地理區域細胞2，第三eNodeB 103充當地理區域細胞3，且第四eNodeB 104充當地理區域細胞4。
應可了解到無線通訊網路100可包括比四個eNodeB更多或更少。又應可了解到每一個eNodeB可具有若干鄰近的eNodeB。舉例而言，eNodeB 103可具有六或更多個鄰近的eNodeB。
能力及涵蓋區最佳化(CCO)、細胞停運補償(COC)、及節能管理(ESM)為可改變無線網路中之一或更多個細胞的涵蓋區或能力之SON功能。CCO SON功能力求最大化eNodeB之涵蓋區，同時最佳化能力並確保細胞間干擾被最小化。COC SON功能組態eNodeB以補償處於停運狀況中之另一個eNodeB。ESM功能擴展一鄰近eNodeB之涵蓋區以覆蓋組態成進入節能模式中的eNodeB。如果這些SON功能之一在另一個SON功能改變eNodeB的同時改變相同的eNodeB，則會發生衝突。
作為一例示範例，參考第1圖，如果細胞1經歷服務停運，則COC SON功能會藉由重新組態潛在候選細胞之參數來試圖補償細胞1的停運。例如，COC可能試圖重新組態服務細胞2和3的eNodeB 102和103之傳 輸功率、天線傾角、及天線方位角，使eNodeB 102和103可補償服務細胞1的eNodeB。然而，同時，ESM SON功能可能在細胞2上操作來補償當鄰近的細胞4進入節能狀態中時細胞4之涵蓋區。因此，在此範例中，COC及ESM SON功能會試圖同時在細胞2上操作。
在此例示範例中，從檢測到細胞1之停運的時間點直到細胞1被細胞2及3補償，除非SON功能間有協調，COC及ESM SON功能會各自試圖組態傳輸功率、天線傾角、及天線方位角的不同eNodeB 102設定。例如，COC會試圖朝下傾斜eNodeB 102的天線，同時ESM試圖朝上傾斜eNodeB 102的天線，造成eNodeB 102的不穩定性。
在示範實施例中，網路管理裝置或網路管理器(NM)可納入SON協調機制來協調網路100中的涵蓋區及能力改變並藉此提供SON之間的衝突防止或衝突解決。網路管理裝置可包括接收改變網路100中之eNodeB的涵蓋區及能力之請求的介面。此介面可進一步傳送詢問至eNodeB來獲得該eNodeB之SON協調狀態。網路管理裝置可進一步包括一或更多個處理器。這些處理器可執行演算法，其基於協調策略及SON協調狀態來判定是否准予或拒絕請求。基於協調策略及SON協調狀態，網路管理裝置根據協調策略之涵蓋區及能力需求來協調網路100中之諸eNodeB的涵蓋區及能力改變，同時根據協調策略最小化細胞間干擾和能量使用。
根據示範實施例之支援SON協調的一個NM讀取並寫入網路100中之eNodeB的SON協調狀態屬性，sonCoordinationState。在表1中顯示此屬性的值：
第2圖繪示根據至少一個示範實施例用於提供SON協調功能的系統200之架構。如第2圖中所示，一標準介面Itf-N係位在網路管理器(NM)及域管理器(DM)之間。Itf-N可用來傳送網路中產生的性能測量結果資料，和用於傳送性能警告或通知。
比如eNodeB 201、202、及203之網路元件提供資料來支援網路性能評估。這種資料可包括服務品質(QoS)測量、網路組態的驗證、或其他參數。元件管理器(EM)206及207例如藉由管理性能測量收集程序並產生性能測量結果來施行測量結果資料的產生。
EM 206可位於DM中。示範DM任務包括eNodeB的組態、錯誤管理、及性能監測。性能監測可包含比如從eNodeB 203、204、及205接收性能資料。
eNodeB 203及204可透過DM 202與NM 201通訊。或者，eNodeB 203可實施其自己的EM 207來與NM 201直接通訊。在一些實施例中，NM及SON功能可根據3GPP TS 32.522操作，雖然此非必要。
第3圖繪示顯示eNodeB 301之細節的一示範區塊圖，根據示範實施例，其可適用為eNodeB 101、102、103、104、203、204、及205之任何者，雖其他組態可適用。EnodeB 301可包括處理器300、記憶體302、收發器304、指令306、及其他構件(未圖示)。eNodeB 101、102、103、104、203、204、及205可在硬體、韌體、軟體、組態、及/或操作參數上彼此相似。
處理器300包含一或更多個中央處理單元(CPU)、圖形處理單元(GPU)、或兩者。處理器300提供eNodeB之處理及控制功能。記憶體302包含一或更多個暫態及靜態記憶體單元，組態成儲存eNodeB的指令及資料。收發器304包含一或更多個收發器，其包括多輸入及多輸出(MIMO)天線以支援MIMO通訊。收發器304尤其與使用者設備(UE)接收上鏈傳輸並傳送下鏈傳輸。在一些實施例中，收發器304傳送改變eNodeB之涵蓋區和能力狀態的請求。回應於此請求，在一些實施例中，收發器接收指示是否准予或拒絕改變涵蓋區狀態的請求的許可通知。基於是否准予許可，在一些實施例中，處理器300儲存SON調諧狀態於關聯的記憶體302中並改變eNodeB的涵蓋區及能力狀態。
指令306包含在計算裝置(或機器)上執行之一或更多組的指令或軟體以令這種計算裝置(或機器)履行在此所討論的任何方法。指令306(也稱為電腦或機器可執行指令)可在被eNodeB執行的期間完全或至少部分存在於處理器300及/或記憶體302內。處理器300及記憶體302也包含機器可讀取媒體。
第4圖繪示其上可履行在此所討論之由網路管理器(NM)所履行的任何一或更多個操作之示範機器400的區塊圖。在替代實施例中，機器400可操作成獨立裝置或可連接(如連網)至其他機器。在連網的佈署中，機器400可操作在伺服器機器、客戶端機器、或伺服器-客戶端網路環境兩者之能力中。在一範例中，機器400可充當同級間(P2P)(或其他分散式)網路環境中之一同級機器。
機器(如電腦系統)400可包括硬體處理器402(如中央處理單元(CPU))、圖形處理單元(GPU)、硬體處理器核心、或上述的任何組合)、主記憶體404、及靜態記憶體406，其之一些或全部可經由互聯(如匯流排)408互相通訊。機器400可進一步包括顯示單元410、字母數字輸入裝置412(如鍵盤)、及使用者介面(UI)導引裝置411(如滑鼠)。在一範例中，顯示單元410、輸入裝置412、及UI導引裝置411可為觸碰螢幕顯示器。機器400可額外包括儲存裝置(如驅動單元)416、信號產生裝置418(如揚聲器)、網路介面裝 置420、及一或更多個感測器421，比如全球定位系統(GPS)感測器、指南針、加速度計、或其他感測器。機器400可包括輸出控制器428，比如序列(如通用序列匯流排(USB))、並列、或其他有線或無線(如紅外線(IR))連結以與一或更多個周邊裝置(如印表機、讀卡器、等等)通訊。
儲存裝置416可包括機器可讀取媒體422，其上儲存體現在此所述之任一或更多的技術或功能或被該技術或功能所利用之一或更多組的資料結構或指令424(如軟體)。指令424也可在被機器400執行的期間完全或至少部分存在於主記憶體404內、在靜態記憶體406內、或在硬體處理器402內。在一範例中，硬體處理器402、主記憶體404、靜態記憶體406、或儲存裝置416之一或任何組合可構成機器可讀取媒體。
雖機器可讀取媒體422繪示為單一媒體，詞語「機器可讀取媒體」可包括安排成儲存該一或多個指令424的儲存單一媒體或多個媒體(如集中式或分散式資料庫，及/或關聯的快取和伺服器)。
詞語「機器可讀取媒體」可包括任何媒體，其能夠儲存、編碼、或載有指令以供機器400執行並令機器400履行本揭露之技術的任何一或更多者，或其能夠儲存、編碼、或載有由這種指令所使用或與這種指令關聯之資料結構。非限制性機器可讀取媒體範例可包括固態記憶體，及光學和磁性媒體。在一範例中，集結型(massed) 機器可讀取媒體包含具有靜止質量之複數粒子的機器可讀取媒體。集結型機器可讀取媒體之特定範例可包括：比如半導體記憶體裝置(如電性可編程唯讀記憶體(EPROM)、電性可抹除可編程唯讀記憶體(EEPROM)、及快閃記憶體裝置)之非依電性記憶體；比如內部硬碟和可移除式碟之磁碟；光磁碟；及CD-ROM和DVD-ROM碟。
指令424可進一步透過通訊網路426使用傳輸媒體經由利用若干輸送協定(如訊框中繼、網際網路協定(IP)、傳輸控制協定(TCP)、使用者資料塊協定(UDP)、超文字輸送協定(HTTP)、等等)的任一者的網路介面裝置420加以傳送或接收。詞語「傳輸媒體」應視為包括能夠儲存、編碼、或載有供機器400執行之指令的任何無形媒體，並包括數位或類比通訊信號或其他無形媒體以促進這種軟體之通訊。指令424可實施根據下述之示範實施例的SON協調機制之演算法。
再次參考第2圖，實施根據示範實施例的SON協調之SON協調功能存在於Itf-N上方，並由NM 201的處理器402上的指令424加以實施。然而，應可了解到SON協調功能可存在於Ift-N下方。例如，SON協調功能可存在於DM 202中以協調eNodeB 203及204或由DM 202管理的其他eNodeB(未圖示)。
第5圖繪示描繪在EM與NM 201之間傳遞之信號的信號流程圖以實施SON協調功能來防止根據示範 實施例的ESM、COC、CCO SON功能之間的衝突。
在信號1中，SON協調實體接收改變網路之一個eNodeB的涵蓋區及能力之請求。在一示範實施例中，SON協調實體為NM 201。可從DM 202接收請求。或者，如果eNodeB包括嵌入式EM，可直接從eNodeB接收請求。
在訊息2中，NM詢問DM或eNodeB以獲得SON協調狀態。SON協調狀態包括細胞支援CCO、COC、及ESM功能的行為，且可包括下列值之一：EsmCompensating、EsmEnergySaving、CocCompensating、CocOutage、CcoUpdating及None。
NM 201接著基於SON協調策略及SON協調狀態判斷判斷是否准予或拒絕請求。於下說明SON協調策略。在示範實施例中，SON協調策略係基於來自SON功能的一或更多個輸入、由網路營運者分配給SON功能的優先層級、及網路營運者策略。
如果eNodeB係處於EsmCompensating SON協調狀態中，且NM 201被通知由該eNodeB服務的細胞有停運，則根據示範實施例之SON協調策略規定NM 201通知ESM功能找令一個細胞來補償該節能細胞。如果ESM無法找到另一個細胞，則ESM功能撤消被該eNodeB服務的細胞之能源節省。NM 201接著改變eNodeB的SON協定狀態至CocOutage。
如果當eNodeB處於EsmCompensating SON 協調狀態中的同時NM 201接收到要求該eNodeB補償處於停運中之鄰近細胞的COC請求，則根據示範實施例之SON協調策略規定NM 201基於網路營運者策略來判定COC和ESM之優先權。如果ESM SON功能具有較高優先權，則駁回COC請求。如果COC SON功能具有較高優先權，則NM 201通知ESM SON功能找另一個鄰近細胞來補償節能細胞。如果ESM SON功能無法找到另一個細胞來補償節能細胞，則NM 201通知ESM SON功能撤消被eNodeB補償之細胞上的能源節省。NM 201接著接受COC請求且NM 201改變eNodeB之SON協調狀態至None。
如果eNodeB係處於EsmEnergySaving狀態中，且NM 201接收到補償處於停運中之鄰近細胞的COC請求，則根據示範實施例之SON協調策略規定NM 201應該通知ESM SON功能要求eNodeB離開能源節省。如果ESM SON功能無法請求eNodeB離開能源節省，則NM 201駁回COC請求。如果ESM SON功能能夠請求eNodeB離開能源節省，則NM 201接受COC請求並改變SON協調狀態至None。
如果eNodeB係處於CocCompensating狀態中，且NM 201被通知eNodeB經歷停運情況，則SON協調策略規定NM 201通知COC SON功能找出一或更多個鄰近的eNodeB來補償請求的eNodeB和先前被請求的eNodeB補償之細胞兩者。NM 201進一步改變請求的 eNodeB之SON協調狀態至CocOutage。
如果eNodeB係處於CocOutage狀態中，則NM 201駁回所有的請求。如果eNodeB係處於CcoUpdating狀態中，則NM 201推遲所有ESM及COC請求直到SON協調狀態改變至None。如果eNodeB係處於None狀態中，則NM 201接受來自CCO、COC、或ESM SON功能的任何請求。
如果eNodeB在EsmCompensating狀態、EsmEnergySaving狀態、或CocCompensating狀態中，且NM 201接收到改變eNodeB之涵蓋區及能力的CCO請求，則NM 201基於網路營運者策略判斷是否接受請求。如果將接受CCO請求，則NM 201改變SON協調狀態至CcoUpdating。
NM 201進一步不允許，或駁回，在SON協調策略中未規定的任何請求。
NM 201可使用一或更多塊額外資料來幫助防止SON功能間的衝突。可從ESM、CCO、或COC SON功能的一或更多者輸入一或更多個參數。這些輸入可包括正在請求允許修改eNodeB之組態參數的SON功能之識別資訊。識別碼可包括有關於SON功能之供應商、發行版號、版本、等等。輸入可進一步包括任何最近更新的eNodeB組態參數應由其他或相同的SON功能維持不變的時間長度。輸入又可進一步包括為組態改變之理由的SON目標。例如，可由最近經歷過組態參數改變的eNodeB通報 KPI。將此KPI與一SON目標值相比以驗證先前的改變已做出KPI的改善。如果評估指出未做出足夠的改善，這可指出應針對至少通報的eNodeB進行進一步的最佳化和組態改變。輸入亦可包括參數改變對網路中的其他物體之潛在衝擊的任何資訊，亦即，參數改變的衝擊區域。
為了防止衝突，NM 201可仰賴進一步的資訊，比如參數改變對關鍵性能指標(KPI)之潛在衝擊。NM 201可進一步仰賴有關於eNodeB之目前狀態、網路中之某些受管理的物體之狀態、SON功能之優先權、及SON協調策略的資訊。
基於上述的SON協調策略，NM 201返還訊息3，拒絕請求，或訊息4，准予請求。如果決定為拒絕請求的決定，則不會發生進一步的處理且不做出組態改變。另一方面，如果決定為准予請求的決定，eNodeB或DM改變涵蓋區及能力，並在訊息5中通知NM 201涵蓋區及能力改變已完成。eNodeB或DM可進一步傳送有關於參數改變的成功或失敗之資訊，或在參數改變之前與之後的參數值。
在於eNodeB上完成SON功能後，應將SON協調狀態改變成EsmCompensating、EsmEnergySaving、或CocCompensating之一。例如，在ESM啟動一細胞來進行節能補償的角色後，應將此一細胞的SON協調狀態改變成EsmCompensating。NM 201在訊息6中通知eNodeB或DM應改變該eNodeB之SON協調狀態，且 DM或eNodeB儲存新的SON協調狀態在記憶體302中。
在其他示範實施例中，取代或在拒絕或准予SON功能的請求外，NM可以特定值組態至少一個eNodeB之特定參數。在示範實施例中，NM可在由另一個SON功能改變參數後防止由一或更多個SON改變參數一指定的時間。NM可進一步通知SON功能可能衝擊性能指標之計算的狀態改變。
在其他示範實施例中，NM 201檢測並主動解決SON功能間的衝突。NM 201可平行且在上述衝突防止過程外實施這種衝突解決。要檢測衝突，在NM 201上實施之SON協調功能分析資料，比如，例如，關鍵性能指標(KPI)、指出SON功能是否符合其之目標的測量、及eNodeB組態參數經時之不可接受的振盪或變異。任何這些測量或資料中的異常可指出SON功能正在彼此衝突下操作。
欲解決檢測到的衝突，NM 201可致能、禁能、或暫停SON功能。SON組態功能可修改某些SON功能的組態，或者SON組態功能可修改eNodeB之組態參數。
可理解到為了清楚上述說明參考不同的功能單元或處理器來描述一些實施例。然而，顯然可使用不同功能單元、處理器、或領域間的任何適當的功能散佈而不減損本發明之實施例。例如，繪示成由分別的處理器或控制器進行的功能可由相同處理器或控制器進行。因此，對 於特定功能單元的參照應僅是為提供所述功能之適當機構，而非嚴格邏輯或實體結構或組織之表示。
雖已連同一些實施例說明本發明，並不意圖限制本發明於在此所提出之特定形式。熟悉此技藝人士應可認知到所述的實施例之各種特徵可根據本發明而加以結合。然而，應可理解到可由熟悉此技藝人士做出各種的修改及替換而不背離本發明之精神及範圍。
提供發明摘要以迅速確認本揭露之本質。其不應用來解釋或限制申請專利範圍之範圍和意義。另外，在之前的實施方式中，為了揭露之順暢性，可見到各種特徵可群集在一起於單一實施例中。此揭露方法不應解釋為反映出主張專利權之實施例需要比在每一個申請專利範圍中所明確敘述更多的特徵之意圖。更確切地，如以下的申請專利範圍反映，標的存在於比單一揭露的實施例之所有特徵更少中。因此，以下的在此併入實施方式中，其中每一個申請專利範圍獨立成立為一個分別的實施例。
101‧‧‧第一eNodeB
102‧‧‧第二eNodeB
103‧‧‧第三eNodeB
104‧‧‧第四eNodeB

Claims (28)

  1. 一種網路管理裝置，包含：與複數增進型節點B(eNodeB)通訊之介面，該介面配置成接收改變一增進型節點B(eNodeB)之涵蓋區或能力的請求，一或更多個處理器，其配置成基於協調策略及自行最佳化網路(SON)協調狀態判定是否准予或拒絕該請求，該SON協調狀態為諸SON功能之一狀態。
  2. 如申請專利範圍第1項所述之網路管理裝置，其中，基於該協調策略及該SON協調狀態，該網路管理裝置根據該協調策略的涵蓋區及能力要求在網路層級協調該些複數eNodeB的涵蓋區及能力改變，同時根據該協調策略最小化細胞間干擾及能源使用。
  3. 如申請專利範圍第2項所述之網路管理裝置，其中該SON協調狀態為下列之一，節能管理(ESM)補償狀態，ESM節能狀態，細胞停運補償(COC)狀態，COC停運狀態，涵蓋區及能力最佳化(CCO)更新狀態，及SON無(None)狀態。
  4. 如申請專利範圍第3項所述之網路管理裝置，其中 該協調策略係基於下列至少一者：來自至少一個SON功能之輸入，該至少一個SON功能為該ESM、COC、及CCO SON功能的至少一者；該至少一個SON功能的優先權層級；網路營運者策略；及該eNodeB之SON協調狀態。
  5. 如申請專利範圍第4項所述之網路管理裝置，其中該協調策略進一步包括，如果該eNodeB係處於該ESM補償狀態中：如果該請求為請求該eNodeB補償停運中的一鄰近eNodeB之COC請求，如果網路營運者策略准予優先權給ESM補償則駁回該COC請求，且如果網路營運者策略准予優先權給COC補償則准予該COC請求；如果該請求為CCO請求，則基於該網路營運者策略判定是否准予該請求；及如果該請求並非為COC或CCO請求，則准予該請求。
  6. 如申請專利範圍第4項所述之網路管理裝置，其中該協調策略進一步包括，如果該eNodeB係處於該ESM節能狀態中：如果該請求為請求該eNodeB補償停運中的一鄰近eNodeB之COC請求，請求該ESM功能允許該eNodeB離開節能功能， 及如果該ESM功能駁回該請求，駁回該COC請求，及如果該ESM功能接受該請求，接受該COC請求；如果該請求為CCO請求，則基於該網路營運者策略判定是否准予該請求；及如果該請求並非為COC或CCO請求，則准予該請求。
  7. 如申請專利範圍第4項所述之網路管理裝置，其中該協調策略進一步包括，如果該eNodeB係處於該COC補償狀態中且該請求為CCO，則基於該網路營運者策略判定是否准予該請求。
  8. 如申請專利範圍第4項所述之網路管理裝置，其中該協調策略進一步包括：如果該eNodeB係處於該CCO更新狀態及該CCO停運狀態之一中，則駁回該請求，如果該eNodeB係處於該SON None狀態中，則准予該請求。
  9. 如申請專利範圍第3項所述之網路管理裝置，其中，該介面進一步配置成接收在該ESM補償狀態中的eNodeB係在停運的情況中之指示，及該一或更多個處理器進一步配置成 基於該接收到的指示改變該eNodeB的該SON協調狀態至該COC停運狀態，及通知該ESM SON功能該ESM SON功能將選擇第二eNodeB來補償由在COC停運狀態中之該eNodeB所補償之諸eNodeB。
  10. 如申請專利範圍第9項所述之網路管理裝置，其中，該介面進一步配置成接收該ESM SON功能無法選擇至少一個第二eNodeB來履行該eNodeB之該ESM功能的指示，及該一或更多個處理器進一步配置成基於該接收到的指示通知該ESM SON功能應在由該eNodeB所補償之諸eNodeB上撤消節能。
  11. 如申請專利範圍第3項所述之網路管理裝置，其中，該介面進一步配置成接收在該COC補償狀態中的eNodeB係在停運的情況中之指示，及該一或更多個處理器進一步配置成基於該接收到的指示改變該eNodeB的該SON協調狀態至該COC停運狀態，及通知該COC SON功能該COC SON功能將選擇第二eNodeB來補償(1)在該COC停運狀態中之該eNodeB及(2)由在該COC停運狀態中之該eNodaB所補 償之諸eNodeB。
  12. 如申請專利範圍第1項所述之網路管理裝置，其中從位在與該eNodeB通訊之域管理器中的元件管理器接收該請求。
  13. 如申請專利範圍第1項所述之網路管理裝置，其中從位在eNodeB中的元件管理器接收該請求。
  14. 如申請專利範圍第1項所述之網路管理裝置，其中該一或更多個處理器進一步組態成：接收該涵蓋區或能力改變已完成之通知；及更新該eNodeB的該SON協調狀態。
  15. 如申請專利範圍第1項所述之網路管理裝置，其中該一或更多個處理器進一步配置成：組態該eNodeB的至少一個參數；及在該處理器已組態該至少一個參數後的一段時期防止該至少一個參數之組態。
  16. 如申請專利範圍第15項所述之網路管理裝置，其中該至少一個參數為下鏈傳輸功率及天線參數之一。
  17. 一種增進型節點B(eNodeB)，包含：與網路管理裝置通訊之介面，該介面配置成，傳送改變涵蓋區或能力狀態之請求，及接收指出是否已准予或拒絕該改變該涵蓋區或能力狀態的該請求之許可通知，及一或更多個處理器，其配置成在關聯記憶體中儲存SON協調狀態，及 基於該許可通知改變該涵蓋區或能力狀態。
  18. 如申請專利範圍第17項所述之eNodeB，其中該SON協調狀態為下列之一，節能管理(ESM)補償狀態，ESM節能狀態，細胞停運補償(COC)狀態，COC停運狀態，涵蓋區能力最佳化(CCO)更新狀態，及SON無(None)狀態。
  19. 如申請專利範圍第18項所述之eNodeB，其中，該ESM補償狀態指出該eNodeB正提供涵蓋區給至少一個鄰近的eNodeB，該至少一個鄰近的eNodeB正關閉以節省能源，該ESM節能狀態指出該eNodeB為關閉以節省能源，該COC補償狀態指出該eNodeB正提供涵蓋區給停運中之至少一個鄰近的eNodeB，該CCO更新狀態指出該eNodeB的該些組態參數正被更新，及該SON None狀態指出該eNodeB未受SON功能影響。
  20. 如申請專利範圍第16項所述之eNodeB，其中該一或更多個處理器進一步組態成，傳送該涵蓋區或能力被改變的指示；及儲存經更新的SON協調狀態。
  21. 一種用於在自行最佳化網路(SON)中協調涵蓋區及能力改變之方法，該方法包含：接收改變一增進型節點B(eNodeB)之涵蓋區或能力的請求，基於協調策略及自行最佳化網路(SON)協調狀態判定是否准予或拒絕該請求，該SON協調狀態為諸SON功能之一狀態。
  22. 如申請專利範圍第21項所述之方法，其中，基於該協調策略及該SON協調狀態，該方法根據該協調策略的涵蓋區及能力要求在網路層級協調該些複數eNodeB的涵蓋區及能力改變，同時根據該協調策略最小化細胞間干擾及能源使用。
  23. 如申請專利範圍第22項所述之方法，其中拒絕該請求藉由防止多個SON功能同時改變該eNodeB組態之相同參數來防止該eNodeB中之不穩定性。
  24. 如申請專利範圍第22項所述之方法，進一步包含：如果該判定判定出准予該請求，則改變該eNodeB的至少一個參數，該至少一個參數為下鏈傳輸功率及天線參數之一。
  25. 如申請專利範圍第22項所述之方法，其中該SON協調狀態為下列之一，節能管理(ESM)補償狀態，ESM節能狀態， 細胞停運補償(COC)狀態，COC停運狀態，涵蓋區及能力最佳化(CCO)更新狀態，及SON無(None)狀態。
  26. 如申請專利範圍第25項所述之方法，其中該協調策略基於下列至少一者准予或拒絕該請求：來自至少一個SON功能之輸入，該至少一個SON功能為該ESM、COC、及CCO SON功能的至少一者；該至少一個SON功能的優先權層級；網路營運者策略；及該eNodeB之SON協調狀態。
  27. 如申請專利範圍第1項所述之網路管理裝置，其中該介面進一步配置成傳遞詢問至該eNodeB以獲得該eNodeB的SON協調狀態。
  28. 如申請專利範圍第21項所述之方法，進一步包含：詢問該eNodeB以獲得該eNodeB的SON協調狀態。
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