TWI517725B - 使用用戶平面壅塞(upcon)容器報告用戶平面壅塞 - Google Patents
使用用戶平面壅塞(upcon)容器報告用戶平面壅塞 Download PDFInfo
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- TWI517725B TWI517725B TW103103566A TW103103566A TWI517725B TW I517725 B TWI517725 B TW I517725B TW 103103566 A TW103103566 A TW 103103566A TW 103103566 A TW103103566 A TW 103103566A TW I517725 B TWI517725 B TW I517725B
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Description
本發明係關於一種用於報告無線電存取網路(RAN)用戶平面壅塞(UPCON)的技術。
無線行動通信技術使用各種標準及協定,以在節點(例如,傳輸站)及無線裝置(例如,行動裝置)之間傳輸資料。有些無線裝置使用正交分頻多工存取(OFDMA)於下行鏈路(DL)傳輸中及單載波分頻分多工存取(SC-FDMA)於上行鏈路(UL)傳輸中進行通信。使用正交分頻多工(OFDM)用於信號傳輸之標準及協定包括第三代合作夥伴計畫(3GPP)長期演進(LTE)、研究所的電機電子工程師協會(IEEE)802.16標準(例如,802.16e、802.16m),其通常被業界團體稱為WiMAX(全球互通微波存取)、及IEEE802.11標準,其通常被業界團體稱為WiFi。
在3GPP無線電存取網路(RAN)LTE系統中,節點可以是演進式通用陸地無線電存取網路(E-UTRAN)節點B(通常也稱為演進節點B、增強節點B、eNodeB或eNB)及無線電網路控制器(RNC)的組合,其與無線裝置通信,已知為用戶設備(UE)。下行鏈路(DL)傳輸可以是從節點(例如,eNodeB)到無線裝置(例如,UE)的通信,及上行鏈路(UL)傳輸可以是從無線裝置到節點的通信。
核心網路(CN)或網路的核心可以為電信網路的中央部分,其提供各種服務給無線電存取網路(RAN)所連接的用戶。核心網路的功能之一可以將封包從無線電存取網路路由到網際網路。
核心網路可以提供連接主節點的高容量通信設施。核心網路(或骨幹網路)可以為不同子網路之間的資訊交流提供路徑。對於服務一個組織的企業私有網路而言,高容量通信設施可以稱為骨幹,而對於服務提供者而言,高容量通信設施可以稱為核心網路。
電信網路可以包括三個部分或平面:控制平面、用戶平面(資料平面或支架平面)及管理平面。因為每一部分可以是獨立的覆蓋網路,這三個部分可稱為平面。控制平面可以承載控制資訊(也稱為發信號)。用戶平面可以承載網路的用戶流量。管理平面可以承載用於網路管理的操作和行政流量。
在3GPP LTE無線通信標準中,系統架構演進
(SAE)可以使用核心網路架構。SAE可以有控制平面和用戶平面交通分離之扁平式全網際網路協定(全IP(all-IP))架構。SAE架構的主要元件可以是演進式封包核心(EPC)或SAE核心。
RAN‧‧‧無線電存取網路
EPC‧‧‧演進式封包核心
3GPP‧‧‧第三代合作夥伴計畫
108‧‧‧無線電存取網路
110‧‧‧節點
112‧‧‧家用節點
114‧‧‧演進的節點
120‧‧‧用戶設備
122‧‧‧用戶設備
202‧‧‧演進式封包核心
202‧‧‧核心網路
210‧‧‧演進的節點
220‧‧‧應用伺服器
230‧‧‧移動性管理實體
232‧‧‧服務閘道
234‧‧‧封包資料網路閘道
236‧‧‧策略和計費執法功能
238‧‧‧策略和計費規則功能
240‧‧‧代理伺服器
242‧‧‧伺服器
244‧‧‧存取網路探索和選擇功能
246‧‧‧操作和維護
248‧‧‧用戶平面壅塞伺服器
250‧‧‧封包資料網路閘道
252‧‧‧演進的節點B/策略和計費執法功能
260‧‧‧網際網路
302‧‧‧用戶平面壅塞事件報告
304‧‧‧確認(ACK)
306‧‧‧用戶平面壅塞事件報告
308‧‧‧報告確認(ACK)
310‧‧‧用戶平面壅塞事件報告
312‧‧‧報告確認(ACK)
314‧‧‧用戶平面壅塞事件報告
316‧‧‧報告確認(ACK)
318‧‧‧用戶平面壅塞事件報告
320‧‧‧報告確認(ACK)
332‧‧‧用戶平面壅塞事件報告
334‧‧‧報告確認(ACK)
336‧‧‧用戶平面壅塞事件報告
338‧‧‧報告確認(ACK)
342‧‧‧用戶平面壅塞事件報告
344‧‧‧報告確認(ACK)
346‧‧‧用戶平面壅塞事件報告
348‧‧‧報告確認(ACK)
350‧‧‧用戶平面壅塞事件報告
352‧‧‧報告確認(ACK)
362‧‧‧用戶平面壅塞事件報告
364‧‧‧報告確認(ACK)
366‧‧‧用戶平面壅塞事件報告
368‧‧‧報告確認(ACK)
372‧‧‧用戶平面壅塞事件報告
374‧‧‧報告確認(ACK)
376‧‧‧用戶平面壅塞事件報告
378‧‧‧報告確認(ACK)
380‧‧‧用戶平面壅塞事件報告
382‧‧‧報告確認(ACK)
392‧‧‧用戶平面壅塞
394‧‧‧壅塞通知
396‧‧‧壅塞通知
398‧‧‧壅塞通知
520‧‧‧方塊
610‧‧‧方塊
620‧‧‧方塊
從以下的詳細說明以及伴隨的圖式,本揭露的特徵與優點將是明顯的,其經由實例一起解說本揭露的特徵,其中:圖1說明由於第三代合作夥伴計畫(3GPP)無線存取網路(RAN)對演進式封包核心(EPC)無線電介面(例如,LTE-Uu、Uu)容量限制之用戶平面壅塞(UPCON);圖2說明由於第三代合作夥伴計畫(3GPP)無線存取網路(RAN)對演進式封包核心(EPC)無線電介面(例如,Gb、Iu-PS、S1-U)容量限制之用戶平面壅塞(UPCON);圖3說明根據實例之無線電存取網路(RAN)與核心網路(CN)或演進式封包核心(EPC)的通信示意圖;圖4說明根據實例之使用不同介面的用戶平面壅塞(UPCON)事件報告的通信;圖5說明根據實例之報告至策略和計費規則功能(PCRF)的直接用戶平面壅塞(UPCON)事件;
圖6說明根據實例之通過代理伺服器或代理者報告至策略和計費規則功能(PCRF)的用戶平面壅塞(UPCON)事件;圖7說明根據實例之報告至伺服器(例如,存取網路探索和選擇功能(ANDSF)、操作和維護(O&M)子系統或UPCON伺服器)而無代理伺服器的用戶平面壅塞(UPCON)事件;圖8說明根據實例之報告至伺服器(例如,存取網路探索和選擇功能(ANDSF)、操作和維護(O&M)子系統或UPCON伺服器)以及代理伺服器的用戶平面壅塞(UPCON)事件;圖9說明根據實例之經由GTP-U對策略和計費規則功能(PCRF)的壅塞通知;圖10描述根據實例之用於通知用戶平面壅塞(UPCON)的核心網路(CN)之方法的流程圖;圖11描述根據實例之用於報告無線電存取網路(RAN)用戶平面壅塞(UPCON)之核心網路(CN)裝置的電腦電路的功能性;及圖12說明根據實例之無線裝置(例如,UE)的示意圖。
現在將對所述的示範性實施例進行參照,以及文中將使用特定語言來說明該等實施例。然而將理解到,本發明的範圍因此將不受限制。
在揭露和說明本發明之前,將瞭解的是,本發明並不受限於文中所述的特定結構、過程步驟或材料,然而擴大到其等效物如同熟悉此項技藝者所認知的。亦應瞭解的是,文中所用的術語僅用於描述特定例子而不是要被限制。不同圖式中相同的參考數字代表相同的元素。流程圖和過程中所提供的數字清楚地說明步驟和操作,並不一定表示特定的順序或序列。
以下提供技術實施例的初始概述,然後進一步詳細描述特定的技術實施例。該初始概述是要幫助讀者更快地瞭解這種技術,但不是要找出該技術的關鍵特徵或基本特徵也不是要限制所請求標的物的範圍。
存取點或節點(eNB)及UE之間的用戶平面協定疊可包括封包資料聚合協定(PDCP)、無線電鏈控制(RLC)、媒體存取控制(MAC)子層。在用戶平面上,核心網路中(例如,EPC)的封包可被密封於特定EPC協定中且穿隧於封包資料網路(PDN)閘道(PGW或P-GW)及節點(例如,eNB)之間。不同隧道協定可取決於介面而使用。通用封包無線電服務(GPRS)隧道協定(GTP)可被使用在eNB及服務閘道(SGW或S-GW)之間的S1介面以及在SGW及PGW之間的S5及/或S8介面上。由層所接收的封包可稱為服務資料單元(SDU),而層的封包輸出可稱為在自頂層至底層的用戶平面之協定資料單元(PDU)及網際網路協定(IP)封
包。
控制平面可包括無線電資源控制層(RRC)的附加,其可負責配置下層(例如,實體層)。控制平面可處理無線電特殊或連接特殊功能上,其可取決於可包括二個狀態:閒置或連接之UE的狀態。
近年來,行動營運商已看到用戶通信資料中的明顯增加。雖然網路的資料容量已增加,所觀察到用戶通信資料中的增加繼續超過網路資料容量的成長。通常,無線電存取網路(RAN)用戶平面壅塞(UPCON)可能在RAN資源的需求(亦即,用於用戶資料的轉移)超過RAN資源的容量時而發生。結果,用戶可能收到降低服務品質(QoS)之資料。因此,網路壅塞的增加可能使用戶服務體驗降級。通常,用戶平面壅塞(亦即,資料平面壅塞)或UPCON可能在二個情境下觸發:(1)由於完全使用基地台容量的用戶平面壅塞(例如,無線電介面或空中介面);及(2)由於3GPP RAN對演進式封包核心(EPC)介面的限制之用戶平面壅塞(例如,網路介面)。服務品質(QsS)可以指的是允許有特殊要求之話務的傳輸的電話及電腦網路的數個相關態樣。
圖1解說由於基地台容量的完全使用之無線電介面(例如,LTE-Uu、Uu)上之用戶平面壅塞(UPCON)的實例。第三代合作夥伴計畫(3GPP)無線存取網路(RAN)節點110可與核心網路(例如,演進式封包核心(EPC))連通。核心網路(CN)中可包括
EPC。在實例中,3GPP RAN對EPC介面(例如,Gb、lu-Ps、S1-U)的容量可以是100百萬位元每秒(Mbps)。3GPP RAN節點可傳送用戶資料至位於細胞內的複數用戶裝置或設備(UE)。UPCON可在細胞B中的通信量超過該細胞的容量時發生。例如,該細胞中的該複數UE可產生等於細胞容量的用戶平面通信。當額外或現存UE企圖產生額外用戶平面通信於該細胞中時,壅塞可能發生於該細胞中。作為實例,3GPP RAN可傳送用戶資料至細胞A、B及C。細胞A、B及C無線電容量(例如,無線電介面)可以是75Mbps。UPCON可能在細胞B中的通信量超過該細胞的容量時發生(例如,75Mbps)。在另一實例中,UPCON可在通信量超過該細胞或介面的容量的指定百分比時發生。
圖2解說由於3GPP RAN對演進式封包核心(EPC)介面或網路(例如,Gb、lu-Ps、S1-U)的容量限制之UPCON的實例。3GPP RAN可與EPC連通。在實例中,3GPP RAN對EPC介面的容量可以是100Mbps。3GPP RAN可傳送用戶資料至細胞A、B及C,其中每一細胞可包含複數用戶裝置或UE。每細胞的無線電容量可以是75Mbps。當傳送至細胞A、B及C中複數UE之用戶平面資料的量係大於3GPP RAN對EPC介面的容量時,UPCON可能發生在3GPP RAN。例如,用戶平面資料的量可以是大於3GPP RAN對EPC介面的容量(例如,100Mbps)。結果,細胞A、B及C中的所有UE可
能經受過度資料速率降低或服務拒絕。即使每細胞(例如,細胞A、B及C)可具有必要容量以支援在該細胞內服務的該複數UE,3GPP RAN對EPC介面的容量限制可能不利地衝擊細胞A、B及C中的一或多個UE。結果,3GPP RAN對EPC介面的UPCON可防止該複數UE傳送用戶資料至EPC或自EPC接收用戶資料。
可針對封包資料網路閘道(PDN-GW)使用機構以避免且處理細胞超載情況。例如,PDN-GW可拒絕來自經由移動性管理實體(MME)抵達PDN閘道(P-GW)之UE的封包資料網路(PDN)連接建立請求。接著可通知UE無法與網路建立新的PDN連接。然而,PDN連接建立請求仍可被傳送至據推測超載的P-GW。再者,被通知PDN連接無法經由P-GW建立之UE的更高潛時可能存在,因為PDN連接建立請求自演進節點B(eNB)行經MME至P-GW,且然後在到達UE之前經MME及eNB返回。而且,服務閘道(S-GW)中的超載情況亦可能衝擊UE流通量,因此導致負面用戶體驗。
因此,為了減輕UPCON的效應,核心網路(CN)可提供UPCON檢測規則給存取網路(例如,RAN)。UPCON檢測規則可包括UPCON事件觸發器。因此,基於由CN所提供的UPCON事件觸發器,存取網路可能檢測到UPCON情況。存取網路可向CN報告壅塞情況。CN可通知應用伺服器(AS)執行一或多個減少用戶平面(即,資料平面)上的壅塞之動作。
核心網路(CN)可傳遞與用戶平面壅塞有關的策略和控制計費(PCC)資訊(即,UPCON相關的PCC資訊)到RAN。CN可提供UPCON相關的PCC資訊給RAN以便更有效地處理UPCON的情況。換句話說,CN可遞送或提供UPCON相關的PCC資訊給RAN。尤其是,UPCON相關的PCC資訊可能會遞送到RAN節點、演進節點B(eNB)、無線電網路控制器(RNC)或基地台系統(BSS)。
UPCON相關的PCC資訊可包括UPCON事件,諸如RAN用戶平面壅塞的指示。此外,UPCON事件可包括RAN用戶平面壅塞報告功能已針對UE的演進式封包系統(EPS)載體的一部分(或全部)之指示致能或啟用。UPCON相關的PCC資訊可包括一或多個UPCON事件觸發器。UPCON事件觸發器可指示UPCON的位置發生在以下一者:無線電上行鏈路、無線電下行鏈路、網路上行鏈路、網路下行鏈路、或RAN節點處理能力。
本文所述的技術(例如,核心網路裝置、節點、應用伺服器(AS)、方法、電腦電路、系統、結構和機構)可以提供RAN用戶平面壅塞(UPCON)的意識,以便一旦RAN用戶平面壅塞時通知CN,以及在壅塞情況的改變及/或取消時一旦RAN用戶平面壅塞情況改變或停止(亦即,消失)時通知CN。
如果RAN(例如,3GPP RAN)用戶平面在壅塞期間後不壅塞,RAN可以通知CN壅塞情況的改變及/
或取消,以使相關的核心網路元件(例如,策略和計費規則功能(PCRF)、移動性管理實體(MME)、SGW、PGW、存取網路探索和選擇功能(ANDSF)伺服器、操作和維護(O&M)伺服器或UPCON伺服器)可返回到正常功能或正確地表現。
圖3說明3GPP LTE RAN 108及核心網路(CN)或演進式封包核心(EPC)202。例如,RAN可包括節點(例如,eNB 114和家用eNB(HeNB)112)於通用陸地無線電存取網路(UTRAN)或演進式UTRAN(E-UTRAN或eUTRAN)中。UE 120和122可以與eNB(例如,HeNB 112)進行無線通信。RAN可經由核心網路(CN)(例如,EPC)耦接到網際網路260。CN或網際網路可以耦接到應用伺服器220。應用伺服器可以提供各種應用和服務。EPC可以包括耦接到RAN的服務閘道(S-GW)232和移動性管理實體(MME)230、以及耦接S-GW到PDN的封包資料網路(PDN)閘道(P-GW)234,諸如網際網路260、內部網路,或其它類似網路。S-GW可提供網路存取給與RAN關聯的UE。核心網路可包括耦接到P-GW的策略和計費規則功能(PCRF)。核心網路亦可包括存取網路探索和選擇功能(ANDSF)伺服器(未顯示)、操作和維護(O&M)伺服器(未顯示)或UPCON伺服器(未顯示)。核心網路裝置可通過佈纜、電線、光纖、及/或諸如路由器或中繼器的傳輸硬體而相互直接通信。
服務閘道(S-GW或SGW)232可以路由和轉送用戶資料封包,同時作為用戶平面在eNodeB間交遞期間的行動錨點以及作為移動LTE與其它3GPP技術之間的行動錨點(終止S4介面和中繼2G/3G系統與PGW之間的交通)。針對閒置狀態UE,S-GW可以終止下行鏈路資料路徑且在UE的下行鏈路資料到達時觸發分頁。S-GW可以管理和儲存UE上下文,IP載送服務的參數及網路內部的路由資訊。S-GW可以在合法截聽的情況執行用戶交通的複製。
SGW協定堆疊可以包括支援與MME 230的S11介面之S11控制平面堆疊、支援與PGW 234的S5/S8介面之S5/S8控制和資料平面堆疊、支援與eNodeB 112和114(圖4的210)的S1用戶平面介面之S1用戶平面堆疊、支援通用行動電信系統(UMTS)的無線電網路控制器(RNC)和eNodeB的SGW之間的S4用戶平面介面之S4資料平面堆疊。SGW可以支援與MME的S11介面和與PGW的S5/S8介面。這些SGW介面的整合控制平面堆疊可以包括IP、用戶資料塊協定(UDP)或增強的GPRS隧道協定控制(eGTP-C)。SGW可以支援與eNodeB的S1-用戶(S1-U)介面和與PGW的S5/S8資料平面介面。這些SGW介面的整合資料平面堆疊可以包括IP、UDP或增強的GPRS隧道協定用戶(eGTP-U)。
介面可使用於無線電存取承載網路建立在無線裝置(例如,UE)和3GPP核心網路(例如,閘道通用
封包無線電服務(GPRS)支援節點(GGSN)或封包資料網路(PDN)閘道(P-GW)234)的邊緣之間時。閘道GPRS支援節點(GGSN)可以是網路節點,充當GPRS無線資料網路和其它網路之間的閘道。GGSN可以儲存從本地暫存器(HLR)及/或服務GPRS支援節點(SGSN)接收的用戶資料,以及每一無線裝置註冊之SGSN的位址。PDN閘道(P-GW或PGW)可以藉由成為無線裝置的交通進出點而提供從無線裝置到外部封包資料網路的連通性。無線裝置可以具有與用於存取多個PDN的多個P-GW之同時連通性。P-GW可以進行策略執行、每一用戶的封包過濾、計費支援、合法截聽和封包篩選。P-GW可以作為3GPP和諸如WiMAX和3GPP2的非3GPP技術之間的移動性的錨點。
PGW協定堆疊可以包括S5/S8控制和資料平面堆疊以支援與SGW 232的S5/S8介面。PGW 234可以支援與SGW的S5/S8介面。S5/S8介面的整合控制平面堆疊可以包括IP、UDP或eGTP-C。S5/S8介面的整合資料平面堆疊可以包括IP、UDP或eGTP-U。
MME 230可以用於處理行動性相關的發信號功能。在LTE中,MME可以是對RAN的控制節點。MME可以提供行動裝置閒置模式追蹤和分頁、對行動裝置的資料再傳輸、行動裝置鑑別、行動裝置的核心間網路交遞追蹤、或這些功能的組合。MME可能涉及載體活化/鈍化過程以及在初始附接及核心網路(CN)節點再定位
期間選擇行動裝置的S-GW。MME可以產生成和分配臨時標識給行動裝置。MME可以執行行動裝置的漫遊限制。MME可以處理安全密鑰管理和合法截取信號。
MME協定堆疊可以包括S1-MME堆疊以支援與eNodeB的S1-MME介面,以及S11堆疊以支援與S-GW的S11介面。MME 230可以支援與eNodeB的S1介面。整合的S1 MME介面堆疊可以包括網際網路協定(IP)、串流控制傳輸協定(SCTP)或S1應用部分(S1AP)。
策略和計費規則功能(PCRF)238可以控制RAN中計費和資源的建立以及封包切換(PS)核心網路202。PCRF和策略及計費執行功能(PCEF)可以是密切相關的功能實體,其可以包括策略控制決策和流量基礎控制功能。PCRF可以設計成提供有關服務資料流檢測的網路控制、服務品質(QoS)、和控制到PCEF的基於流量的計費。然而PCEF可以在閘道提供用戶通訊處理和QoS。PCRF也可以負責提供服務資料流檢測,和連線及離線計費的相互作用一起計數。PCRF可以是專門的策略功能實體,它係以3GPP標準化,並提供頻寬和多媒體網路上的計費之策略功能。PCRF功能可以充當策略計費控制(PCC)架構的一部分,其亦包括PCEF和代理呼叫會話控制功能(P-CSCF)。PCRF可以聚合主機網路內部的資訊。因此,PCRF可以考慮作為整個網路架構的一部分。PCRF可以自動地為網路中主動的每一用戶作智慧策
略決定。作業支援系統(OSS)以及其它來源(例如,入口網站)即時支援可以幫助策略制定之規則的創建。以PCRF,網路可以提供多種服務、計費規則和服務品質(QoS)的水準。PCRF可以根據通過應用功能(AF)所收到的交談及媒體的相關資訊來操作。然後,此交談及媒體的相關資訊可以轉移到通信規劃事件的AF。PCRF可以是使用閘道介面而應用PCC規則至PCEF的實體。大部分的用戶資訊資料庫和其它特殊功能可以存取到PCRF。與計費系統相關的資訊也可以更可擴充和集中的方式存取到PCRF。PCRF可以提供即時策略和計費規則作業。
策略與計費執法功能(PCEF)234可以是功能性實體,其包括隨同基於流量計費功能性的策略執行,如圖4中所示。PCEF功能元件可以位在閘道(例如,PGW 250)。PCEF可以負責提供用戶平面上通信處理中的控制器功能和在閘道的QoS,並提供服務的資料流檢測、計數與包括線上和離線的不同計費相互作用。PCEF可能會選擇適當的PCC規則用於針對PCC規則的服務資料流過濾器之每一所接收的封包的評價過程。藉著考慮每一PCC規則的優先順序,可以執行適當PCC規則的選擇。一旦封包與服務資料流過濾器相匹配,服務資料流過濾器的PCC規則可以被視為該特殊封包的封包匹配過程。因此,可以應用該過濾器的PCC規則。PCEF可以扮演當考慮某一服務資料流時的角色,其可以由策略控制所控制。當一對應的閘道可以存取時,服務資料流可以被允
許藉PCEF通過閘道。
PCEF 236和PCRF 238二者可以是涉及不同等級的計費監督的功能實體。PCEF和PCRF二者可以使用PCC規則。PCRF可以包括策略控制決定和基於流量計費控制功能,而PCEF可以專注於策略執行和基於流量計費功能。當考慮到預定義的PCC規則時,PCC規則可以由PCEF預配置,但這些預定義的PCC規則的啟動或止動可由PCRF執行。PCEF可以支援連線和離線計費相互作用,而PCRF可能不會。
存取網路探索和選擇功能(ANDSF)244可以協助用戶設備(UE)探索非3GPP存取網路,諸如Wi-Fi或WIMAX,其可以用於除了3GPP存取網路(諸如高速封包存取(HSPA)或LTE)的資料通信,並提供UE以監督對這些網路連接的規則,如圖7所示。ANDSF可以提供關於3GPP和非3GPP存取網路的連接性之資訊給UE。ANDSF可以協助UE探索在其附近的存取網路,並提供規則(即,策略)以優化序和管理對這些網路的連接。
操作和維護(O&M)246子系統或伺服器可以使用電腦輔助工具,以規劃、測量、和優化過程,支援集中式遠端應用程式的管理。自組織網路(SON)範例可以局部化、分散式、集中式和混合架構使O&M功能自動化。這些自動化的O&M功能可設計為自組織行為、以網路參數和性能指標的變化作出動態反應、和優化整體性能
和品質。
UPCON伺服器248可以是專用來管理UPCON的伺服器。UPCON伺服器亦可能提供其它核心網路的功能性。應用伺服器(AS)220可以是一軟體架構,其提供創建應用伺服器執行的廣義方法,而不考慮應用功能為何,或AS可以包括特定執行實例的伺服器部分。在任一情況下,該伺服器的功能可以專用於有效的步驟執行(例如,程式、常式、腳本)用於支援其所應用的應用程式。
回提到圖4,RAN 108(例如,通過eNB 210)可以通知CN 202(例如,EPC)壅塞情況的改變和/或取消的,然後相關的核心網路元件(例如,PCRF 238、MME 230、SGW 232、PGW 234、ANDSF伺服器244(圖7-8)、O&M伺服器246(圖7-8)、或UPCON伺服器248(圖7-8))可以採取適當的動作(例如,應用UPCON PCC規則或取消可應用於UPCON的PCC規則)。RAN可以藉著產生UPCON事件報告以及傳送或傳輸UPCON事件報告302給CN(例如,MME)而通知CN用戶平面壅塞(UPCON)事件或情況,以及CN可以承認或報告確認(ACK)304正常收到UPCON事件報告。每一CN裝置可以傳輸或轉送UPCON事件報告306、310、或314到另一CN裝置,以及從其它CN裝置接收ACK 308、312、或316報告。
例如,MME 230可以從eNB 210收到UPCON事件報告302,並經由S1-MME介面將ACK 304報告到
eNB,以及經由S11介面將UPCON事件報告306轉送到SGW 232。SGW可經由S11介面將ACK 308報告到MME,以及經由S5/S8介面將UPCON事件報告310轉送到PGW/PCEF 250。PGW/PCEF可以經由S5/S8介面將ACK 312報告到SGW,並經由Gx介面將UPCON事件報告314轉送到PCRF 238,以及PCRF可以經由Gx介面將ACK 316報告到PGW/PCEF。在實例中,PCRF可以將UPCON事件報告318轉送到應用伺服器(AS)220並經由Rx介面從AS收到ACK 320報告。
UPCON事件報告可以包括UPCON容器。UPCON容器可以用於解決RAN用戶平面壅塞情況的改變或取消。UPCON容器可以包含壅塞的介面指標、嚴重性等級指標、壅塞情況指標、或識別碼(ID)或對應於UPCON位置的名稱。壅塞介面指標可以指示壅塞介面,諸如無線電介面(例如,LTE-Uu、Uu)或網路介面(例如,Gb、Iu-PS、S1-U)。嚴重性等級指標可以提供預定義的數位,其指示嚴重性等級。例如,嚴重性等級可以是某個範圍的值(例如,0到7),其中較小的數位表示加重(或更糟)的UPCON條件,然而較大的數位代表較少的UPCON。在另一實例中,較大的數位表示加重(或更糟)的UPCON,同時較小的數位代表較少的UPCON。不同的PCC規則可以是根據壅塞嚴重性等級予以應用。在實例中,可以用多位元(例如,4位元)表示壅塞嚴重性等級。
壅塞狀況指標可以指示壅塞情況是否存在(例如,0位元可以意指壅塞情況消失,而1位元意指壅塞情況出現,或替代地,1位元可以指示UPCON存在,而0位元可以指示UPCON停止或終止)。在實例中,可以用單一位元表示壅塞情況指標。壅塞情況指標可以為UPCON情況或事件提供二進位或離散值。
在另一實例中,當使用壅塞嚴重性等級時,壅塞狀況指標可能不需要。RAN裝置(例如,eNB)或CN裝置可能基於壅塞情況嚴重性等級的閾值,確定壅塞情況指標。
至於細胞基的UPCON情況通知,UPCON容器中可以包括細胞識別碼(CID)。至於UE為基的UPCON情況通知,識別碼(ID)可以包括識別UE,其可以包括於UPCON容器中。至於存取點名稱(APN)基的UPCON情況通知,APN可以包含於UPCON容器中。至於封包資料協定(PDP)上下文和/或演進式封包系統(EPS)載體基的UPCON情況通知,相對識別碼可以包含在UPCON容器中。
各種過程和程序可用於RAN以報告UPCON事件到CN。圖4-6的AS可以包括ANDSF伺服器、O&M伺服器或UPCON伺服器,其可以收集RAN用戶平面壅塞情況。圖5說明直接從eNB/PCEF 252向PCRF 238或AS 220報告UPCON事件。eNB/PCEF可以將UPCON事件報告332轉送給PCRF,並從PCRF收到ACK 334報告。在
實例中,PCRF可以將UPCON事件報告336轉送給AS並從AS接收ACK 338報告。
圖6說明通過代理伺服器240和/或代理者報告至PCRF 238之UPCON事件。代理伺服器可以是獨立的功能實體(FE)或並列有MME 230、SGW 232、或PGW 234(SGSN或GGSN假使於第二代(2G)或第三代(3G)無線電話技術中)和其它網路元件。代理伺服器可以是多跳(multi-hop)實體,其可以代表eNB和ANDSF、O&M、和/或UPCON伺服器之間的多個網路元件。當代理伺服器位於SGW時,UPCON容器可以透過諸如MME(SGSN於2G和3G的情況下)的其它網路元件,轉移到SGW。當代理伺服器位於PGW時,UPCON容器可以透過MME和SGW(SGSN和SGW於2G和3G的情況下)轉移到PGW。在實例中,eNB可以將UPCON事件報告342轉送到代理伺服器,並從代理伺服器接收ACK 344報告。代理伺服器可以將UPCON事件報告346轉送給PCRF並從PCRF收到ACK 348報告。在另一實例中,PCRF可以將UPCON事件報告350轉送到AS並從AS接收ACK 352報告。
圖7說明報告到伺服器242(例如,ANDSF 244、O&M 246、和/或UPCON 248伺服器)的UPCON事件而無代理伺服器和/或代理者。eNB 210可以將UPCON事件報告362轉送到伺服器,並從伺服器接收ACK 364報告。在實例中,伺服器可以將UPCON事件報告366轉
送給AS,並從AS接收ACK 368報告。
圖8說明以代理伺服器240和/或代理者報告到伺服器242(例如,ANDSF 244、O&M 246、和/或UPCON 248伺服器)的UPCON事件。在實例中,eNB 210可以將UPCON事件報告372轉送到代理伺服器,並從代理伺服器接收ACK 374報告。代理伺服器可以將UPCON事件報告376轉送給伺服器,並從伺服器接收ACK 378報告。在實例中,伺服器可以將UPCON事件報告380轉送給AS,並從AS接收ACK 382報告。
圖9說明從eNB 210透過GTP-U介面到PCRF 238的壅塞通知。UPCON容器可以藉著擴大GTP-U標頭透過用戶平面而列入壅塞通知。GTP-U標頭可以包含UPCON容器或UPCON容器的組件(例如,指標)。在實例中,eNB可檢測UPCON 392,並轉送壅塞通知394到SGW 232。SGW可以轉送壅塞通知396到PGW 234,以及PGW可以轉送壅塞通知398給PCRF。在另一實例中,圖5-8可以適用為壅塞通知(無報告ACK)。
當收到UPCON事件報告或壅塞通知時,CN或CN裝置可以採取各種行動。例如,當PCRF收到UPCON事件報告或壅塞通知時,PCRF可啟動網際網路協定(IP)連接性存取網路(IP-CAN)會話修改程序以適應UPCON情況的PCC規則。當伺服器(例如,ANDSF、O&M、和/或UPCON伺服器)接收UPCON事件報告或壅塞通知時,伺服器可觸發UE或AS以致能相關的調配規
則或啟動對UE或AS的相對規則條文或修改程序。當MME收到UPCON事件報告或壅塞通知時,MME可觸發IP-CAN會話修改程序以適應更改的UPCON條件。當SGSN接收UPCON事件報告或壅塞通知時,SGSN可能觸發PDP上下文和/或IP-CAN會話修改的程序,以適應更改的UPCON條件。當P-GW接收UPCON事件報告或壅塞通知時,P-GW可能觸發IP-CAN會話修改程序以適應更改的UPCON條件。當GGSN接收UPCON事件報告或壅塞通知時,GGSN可能觸發PDP上下文修改程序以適應更改的UPCON條件。
如果UPCON事件報告或壅塞通知指示S1-U壅塞,S-GW可能修改映射在S1-U上的QoS並內部地處理UPCON事件。在另一實例中,S-GW也可能觸發IP-CAN會話修改程序,以適應更改的UPCON條件。
另一實例提供用於通知核心網路(CN)用戶平面壅塞(UPCON)的方法500,如圖10的流程圖中所示。該方法可執行作為機器或電腦電路上的指令,其中該等指令係包括在至少一台電腦可讀取媒體或一個非過渡性機器可讀取儲存媒體上。該方法包括接收UPCON事件報告中的UPCON容器的操作,其中UPCON容器包括壅塞情況指標,以指示UPCON情況,如於方塊510中所示。該方法的下一操作可以根據壅塞狀況指標修改UPCON程序,如於方塊520中所示。
在實例中,UPCON容器可以包含壅塞嚴重性
等級指標於值域中,以指示壅塞嚴重性等級。修改UPCON程序的操作可以進一步包括根據壅塞嚴重性等級指標來修改UPCON程序。在另一實例中,UPCON容器可以包含壅塞的介面指標以指示壅塞的無線電介面或壅塞的網路介面。修改UPCON程序的操作可以進一步包括根據壅塞的介面指標來修改UPCON程序。
在另一配置中,UPCON容器可以包含細胞為基的UPCON情況的細胞識別碼(CID)、UE為基的UPCON情況的UE識別(ID)、APN為基的UPCON情況的存取點名稱(APN)、封包資料協定(PDP)上下文為基的UPCON情況或增強的存在服務(EPS)載體為基的UPCON情況的相對ID。修改UPCON程序的操作可以進一步包括根據ID(例如,CID、UE ID、或相對ID)或名稱(例如,APN)來修改UPCON程序。核心網路可以包括移動性管理實體(MME)、服務閘道(S-GW)、封包資料網路(PDN)閘道(P-GW)、策略和計費執行功能(PCEF)、策略和計費規則功能(PCRF)、服務通用封包無線電服務(GPRS)支援節點(SGSN)、閘道GPRS支援節點(GGSN)、存取網路探索和選擇功能(ANDSF)、操作和維護(O&M)子系統、UPCON伺服器、代理伺服器、或獨立功能實體。
在另一實例中,修改UPCON程序的操作可以進一步包括:當CN包括策略和計費規則功能(PCRF)時,啟動網際網路協定(IP)連接性存取網路(IP-CAN)
會話修改程序以執行新的策略和計費控制(PCC)規則;當CN包括存取網路探索和選擇功能(ANDSF)、操作和維護(O&M)子系統或UPCON伺服器時,觸發用戶設備(UE)或應用伺服器(AS),以致能相關的置備規則,或對UE或AS啟動相關的規則置備或修改程序;當CN包括移動性管理實體(MME)時,觸發IP-CAN會話修改程序以適應更改的UPCON條件;當CN包括服務通用封包無線電服務(GPRS)支援節點(SGSN)時,觸發封包資料協定(PDP)上下文或IP-CAN會話修改程序以適應更改的UPCON條件;當CN包括閘道GPRS支援節點(GGSN)時,觸發PDP上下文修改程序以適應更改的UPCON條件;當CN包括封包資料網路(PDN)閘道(P-GW)時,觸發IP-CAN會話修改程序以適應更改的UPCON條件;或當CN包括服務閘道(S-GW)時,修改映射在S1-U介面上的服務品質(QoS)或觸發IP-CAN會話修改程序以適應更改的UPCON條件。
在另一配置中,修改UPCON程序的操作可以進一步包括在壅塞情況指標指示UPCON情況停止時取消UPCON程序。在另一實例中,該方法可以進一步包括:在成功收到UPCON事件報告後確認(ACK)UPCON事件報告;或將UPCON事件報告轉送給CN中的應用伺服器(AS)或另一裝置。
另一例子提供用於報告無線電存取網路(RAN)用戶平面壅塞(UPCON)的核心網路(CN)裝
置的電腦電路的功能性600,如圖11的流程圖中所示。該功能性可以方法實作,或可執行該功能性作為機器上的指令,其中該等指令列入至少一個電腦可讀取媒體或一個非暫態機器可讀取儲存媒體。電腦電路可以配置成接收使用UPCON容器的UPCON事件報告,其包含壅塞情況指標以指示UPCON情況,如方塊610中所示。電腦電路可以進一步配置成根據壅塞狀況指標來改變UPCON程序,如方塊620中所示。
在實例中,可以使用用戶平面協定接收UPCON容器。在另一實例中,可以使用控制平面協定接收UPCON容器。
在另一配置中,UPCON容器可以包含壅塞嚴重性等級指標於一數值範圍中,以指示壅塞嚴重性等級。配置來改變UPCON程序的電腦電路可以進一步配置成根據壅塞嚴重性等級指標來修改UPCON程序。在另一實例中,UPCON容器包含壅塞的介面指標以指示壅塞的無線電介面或壅塞的網路介面。配置來改變UPCON程序的電腦電路可以進一步配置成根據壅塞的介面指標來修改UPCON程序。
在另一配置中,UPCON容器可以包含細胞為基的UPCON情況的細胞識別碼(CID)、UE為基的UPCON情況的UE識別(ID)、APN為基的UPCON情況的存取點名稱(APN)、封包資料協定(PDP)上下文為基的UPCON情況或增強存在服務(EPS)載體為基的
UPCON情況的相對ID。配置來改變UPCON程序的電腦電路可以進一步配置成根據ID(例如,CID、UE ID或相對ID)或名稱(例如,APN)來修改UPCON程序。核心網路裝置可以包括移動性管理實體(MME)、服務閘道(S-GW)、封包資料網(PDN)閘道(P-GW)、策略和計費執法功能(PCEF)、策略和計費規則功能(PCRF)、服務通用封包無線電服務(GPRS)支援節點(SGSN)、閘道GPRS支援節點(GGSN)、存取網路探索和選擇功能(ANDSF)、操作與維護(O&M)子系統UPCON伺服器、代理伺服器或獨立的功能實體。
在另一實例中,配置來改變UPCON程序的電腦電路可以進一步配置成:當CN裝置包括策略和計費規則功能(PCRF)時,啟動網際網路協定(IP)連接性存取網路(IP-CAN)會話修改程序,以執行新的策略和計費控制(PCC)規則;當CN裝置包括存取網路探索和選擇功能(ANDSF)、操作和維護(O&M)子系統或UPCON伺服器時,觸發用戶設備(UE)或應用伺服器(AS)以致能相關的置備規則,或對UE或AS啟動相關的規則置備或修改程序,其中UE包括天線、觸控顯示螢幕、揚聲器、麥克風、圖形處理器、應用處理器、內部記憶體或非揮發性記憶體埠;當CN裝置包括移動性管理實體(MME)時,觸發IP-CAN會話修改程序以適應更改的UPCON條件;當CN裝置包括服務通用封包無線電服務(GPRS)支援節點(SGSN)時,觸發封包資料協定
(PDP)上下文或IP-CAN會話修改程序以適應更改的UPCON條件;當CN裝置包括閘道GPRS支援節點(GGSN)時,觸發PDP上下文修改程序以適應更改的UPCON條件;當CN裝置包括封包資料網路(PDN)閘道(P-GW)時,觸發IP-CAN會話修改程序以適應更改的UPCON條件;或當CN裝置包括服務閘道(S-GW)時,修改映射在S1-U介面上的服務品質(QoS)或觸發IP-CAN會話修改程序以適應更改的UPCON條件。
在另一配置中,配置來改變UPCON程序的電腦電路可以進一步配置成在壅塞情況指標指示UPCON情況停止時取消UPCON程序。在另一實例中,電腦電路可以進一步配置成:在成功收到UPCON事件報告後確認(ACK)UPCON事件報告;以及將UPCON事件報告轉送給應用伺服器(AS)或其它CN裝置。可以從節點收到UPCON事件報告,其中該節點包括基站(BS)、節點B(NB)、演進節點B(eNB)、基帶單元(BBU)、遠端無線電頭(RRH)、遠端無線電設備(RRE)、遠端無線電單元(RRU)或中央處理模組(CPM)。
在另一實例中,節點的電腦電路功能性可以報告無線電存取網路(RAN)用戶平面壅塞(UPCON)。該功能性可實施作為方法或該功能性可執行作為機器上的指令,其中該等指令列入至少一個電腦可讀取媒體或一個非暫態機器可讀取儲存媒體上。在另一實例中,可以由處理器和/或收發器提供該功能性。電腦電路可以配置來確
定RAN UPCON事件,並產生使用UPCON容器的UPCON事件報告,其包含事件情況指標以指示UPCON情況。電腦電路可以進一步配置成透過CN裝置將UPCON事件報告傳輸到核心網路。
回來參照圖3-8,為適應用戶平面壅塞(UPCON)的應用伺服器(AS)220可以包括收發器和處理器。收發器可以配置成接收使用UPCON容器的UPCON事件報告,其包含事件情況指標以指示UPCON情況。處理器可以配置成根據壅塞狀況指標來改變UPCON程序。UPCON程序的變化可以觸發AS致能相關的置備規則,或通過存取網路探索和選擇功能(ANDSF)、操作和維護(O&M)子系統或UPCON伺服器啟動相關的規則置備或修改程序。
在實例中,UPCON容器可以包含壅塞嚴重性等級指標於值域中,以指示壅塞嚴重性等級。配置來更改UPCON程序的處理器可以進一步配置成根據壅塞嚴重性等級指標來修改UPCON程序。在另一實例中,UPCON容器可以包含壅塞的介面指標以指示壅塞的無線電介面或壅塞的網路介面。配置來更改UPCON程序的處理器可以進一步配置成根據壅塞的介面指標來修改UPCON程序。
在另一配置中,UPCON容器可以包含細胞為基的UPCON情況的細胞識別碼(CID)、UE為基的UPCON情況的UE識別(ID)、APN為基的UPCON情況的存取點名稱(APN)、封包資料協定(PDP)上下文為
基的UPCON情況或增強存在服務(EPS)載體為基的UPCON情況的相對ID。配置來更改UPCON程序的過程可以進一步配置成根據ID(例如,CID、UE ID或相對ID)或名稱(例如,APN)來修改UPCON程序。在另一實例中,當壅塞情況指標指示UPCON情況終止時,UPCON程序的更改取消UPCON程序。
圖12提供無線裝置的實例示意圖,諸如用戶設備(UE)、移動台(MS)、移動無線裝置、移動通信裝置、平板電腦、手機或其它類型的無線裝置。無線裝置可以包括一或多個配置為與節點、巨集節點、低功率節點(LPN)或傳輸站進行通信的天線,諸如基站(BS)、演進節點B(eNB)、基帶單元(BBU)、遠端無線電頭(RRH)、遠端無線電設備(RRE)、中繼站(RS)、無線電設備(RE)或其它類型的無線廣域網路(WWAN)網路存取點等。無線裝置可以配置成使用至少一個包括3GPP LTE、WiMAX、高速封包存取(HSPA)、藍牙和WiFi的無線通信標準進行通信。無線裝置可以使用各自無線通信標準的單獨天線或多個無線通信標準的共用天線來進行通信。無線裝置可以在無線細胞域網(WLAN)、無線個人細胞域網路(WPAN)、和/或WWAN中進行通信。
圖12亦提供可以用於來自無線裝置的音訊輸入和輸出之麥克風和一或多個揚聲器的例證。顯示螢幕可以是液晶顯示(LCD)螢幕或諸如有機發光二極體
(OLED)顯示器的其它類型顯示螢幕。顯示螢幕可以配置為觸控螢幕。觸控螢幕可以使用電容式、電阻式或其它類型的觸控螢幕技術。應用處理器和圖形處理器可以耦接到內部記憶體,以提供處理和顯示性能。亦可以使用非揮發性記憶體埠以提供資料輸入/輸出選項給用戶。非揮發性記憶體埠亦可能用於擴充無線裝置的記憶能力。鍵盤可能與無線裝置整合一起,或以無線方式連接到無線裝置,以提供附加的用戶輸入。使用觸控螢幕亦可以提供虛擬鍵盤。
各種技術或其某些方面或部分可能採取以有形媒體的形式體現的程式碼(即,指令),諸如軟碟、光碟唯讀記憶體(CD-ROM)、硬碟機、非暫態電腦可讀取儲存媒體、或任何其它機器可讀取儲存媒體,其中,當程式碼載入且由諸如電腦的機器執行時,該機器成為實踐各種技術的設備。電路可以包括硬體、韌體、程式碼、可執行碼、電腦指令、和/或軟體。非暫態電腦可讀取儲存媒體可以是不包括信號的電腦可讀取儲存媒體。至於可程式化電腦上的程式碼執行,計算裝置可包括處理器、由處理器可讀取的儲存媒體(包括揮發性和非揮發性記憶體和/或儲存元件)、至少一個輸入裝置和至少一個輸出裝置。揮發性和非揮發性記憶體和/或儲存元素可以是隨機存取(RAM)、可抹除可程式唯讀的記憶體(EPROM)、快閃驅動裝置、光碟機、磁性硬碟、固態硬碟、或用於儲存電子資料的其它媒體。節點和無線裝置亦可包括收發器模
組(即,收發器)、計數器模組(即,計數器)、處理模組(即,處理器)、和/或時脈模組(即,時脈)或計時器模組(即,計時器)。可執行或利用本文所述的各種技術的一或多個程式可能使用應用程式介面(API)、可再用控制和類似項。此類程式可以高階程式的或物件導向的程式語言而與電腦系統進行通信。但是,該等程式可以組合或機器語言予以施行,如果需要的話。在任何情況下,語言可以是已編譯或解釋的語言,並與硬體實現結合。
應該理解的是,在本說明書中所描述的許多功能單元已被標為模組,以更特別強調其實現獨立性。例如,模組可以實現作為包含自訂非常大規模整合(VLSI)電路或閘陣列、諸如邏輯晶片的現成半導體、電晶體或其它分立組件等的硬體電路。模組亦可以可程式硬體裝置實施,諸如現場可程式閘陣列、可程式陣列邏輯、可程式邏輯裝置或類似物。
模組亦可由各種類型的處理器以執行軟體予以實現。可執行代碼的確定模組可例如包含一或多個電腦指令的物理或邏輯方塊,其可例如組織作為物件、過程或功能。然而,確定模組的可執行檔不需要是物理上位於一起,不過,可能包含儲存在不同位置的不同指令,當邏輯上一起加入時,其包含模組,並實現模組所述的目的。
事實上,可執行代碼的模組可能是單一指令或很多指令,並甚至可能分佈在幾個不同的代碼片段、在不同的程式之間和跨過幾個記憶裝置。同樣的是,操作資
料可能確定和說明在模組內的本文,並可以任何合適的形式體現和組織在任何適當類型的資料結構內。操作資料可能會收集作為單一的資料集,或可能分佈在不同地點,包括在不同的存放裝置,並可能存在,至少部分地,只是作為在系統或網路上的電子信號。模組可以是被動或主動,包括可操作來執行所需功能的代理。
在整個說明書中所提及的"實例"或"示範"意指,關於實例所述的特定特徵、結構或特性就包含在本發明的至少一實施例中。因此,在整個說明書中出現在各個角落的短語"實例中"或用詞"示範"並不一定要在相同的實施例中提及。
如本文中所使用的,為方便起見,複數的項目、結構元件、組合元素及/或材料可能提出於共同清單中。然而,這些清單應解釋為,彷彿清單中的每一構件單獨列為一單獨且獨特的構件。因此,這些清單中無一構件應解釋為,完全根據一個沒有表明相反跡象的共同群組中它們的呈現而事實上相當於相同清單中的任何其它構件。此外,本發明的不同實施例和實例可能會與其不同組件的替代品一起在本文中述及。瞭解到,這種實施例、實例和替代品不應被解釋為另一事實上等效物,但被視為本發明的獨立且自主表現。
再者,所述的特徵、結構或特徵可以任何適當的方式結合在一或更多個實施例中。在以下說明中,提供許多具體細節,如佈局的實例、距離、網路例子等,以
提供本發明實施例的透徹理解。然而,一個熟悉相關技藝者將承認,本發明可以沒有一或多個特定細節、或有其它方法、組件、佈局、等予以實現。在其它例子中,知名結構、材料、或操作不詳細顯示或描述,以避免混淆本發明的態樣。
雖然上述例子都說明了本發明的原理在一或多個特定應用中,對於熟悉相關技藝者將明顯的是,可以進行實作的形式、使用和細節中的許多修改而無需發明學院的行使,且不偏離本發明的原理和概念。因此,不預期限制本發明,除了如同以下由請求項所提出的。
108‧‧‧無線電存取網路
112‧‧‧家用節點
114‧‧‧演進的節點
120‧‧‧用戶設備
122‧‧‧用戶設備
202‧‧‧核心網路(CN)或演進式封包核心(ECP)
220‧‧‧應用伺服器
230‧‧‧移動性管理實體
232‧‧‧服務閘道
234‧‧‧封包資料網路閘道
238‧‧‧策略和計費規則功能
260‧‧‧網際網路
Claims (22)
- 一種非暫態機器可讀取儲存媒體,具有體現於上的多個指令,當該等指令被一或多個處理器執行時,會執行下列操作:識別在核心網路(CN)中的策略和計費規則功能(PCRF)的無線電存取網路(RAN)用戶平面壅塞(UPCON)資訊(RUCI);以及使用該RUCI在PCRF執行減少在RAN節點的交通。
- 如申請專利範圍第1項的非暫態機器可讀取儲存媒體,還包含多個指令,當該等指令被一或多個處理器執行時,會執行下列操作:透過功能元件在該PCRF接收來自操作和維護(OAM)系統的該RUCI。
- 如申請專利範圍第1項的非暫態機器可讀取儲存媒體,其中,在該PCRF接收的該RUCI包括特定演進節點B(eNB)的壅塞等級或被該UPCON衝擊的演進式通用陸地無線電存取網路(UTRAN)細胞。
- 如申請專利範圍第1項的非暫態機器可讀取儲存媒體,其中,在該PCRF接收的該RUCI包括被該UPCON衝擊的用戶設備(UE)的識別碼。
- 如申請專利範圍第1項的非暫態機器可讀取儲存媒體,其中,在該PCRF接收的該RUCI包括存取點名稱(APN),該RUCI針對該APN報告。
- 如申請專利範圍第1項的非暫態機器可讀取儲存媒體,還包含多個指令,當該等指令被一或多個處理器執 行時,會執行下列操作:在該PCRE執行基於壅塞等級、用戶設備(UE)的識別符或包括在該RUCI中的存取點名稱(APN)中至少一者的策略決定。
- 如申請專利範圍第1項的非暫態機器可讀取儲存媒體,其中,接收該RUCI的該PCRF作為被該UPCON衝擊的用戶設備(UE)的封包資料網路(PDN)連接。
- 一種策略和計費規則功能(PCRF),被建構以操作於演進式封包核心(EPC),該PCRF包含:至少一處理器;記憶體裝置,用以儲存多個指令,當該等指令被該至少一處理器執行時,導致該至少一處理器執行下列操作:透過功能元件接收來自操作和維護(OAM)系統的無線電存取網路(RAN)用戶平面壅塞(UPCON)資訊(RUCI);執行部分基於在該PCRF接收的該UUCI的策略決定以便減少在RAN節點的交通。
- 如申請專利範圍第8項的PCRF,其中,在該PCRF接收的該RUCI包括特定演進節點B(eNB)的壅塞等級或被該UPCON衝擊的演進式通用陸地無線電存取網路(UTRAN)細胞。
- 如申請專利範圍第8項的PCRF,其中,在該PCRF接收的該RUCI包括被該UPCON衝擊的用戶設備(UE)的識別碼。
- 如申請專利範圍第8項的PCRF,其中,在該 PCRF接收的該RUCI包括存取點名稱(APN),該RUCI針對該APN報告。
- 如申請專利範圍第8項的PCRF,其中,當該等指令被該至少一處理器執行時,導致該至少一處理器執行下列操作:執行基於壅塞等級、用戶設備(UE)的識別符或包括在該RUCI中的存取點名稱(APN)中至少一者的策略決定。
- 如申請專利範圍第8項的PCRF,其中,當該等指令被該至少一處理器執行時,導致該至少一處理器執行下列操作:作為被該UPCON衝擊的用戶設備(UE)的封包資料網路(PDN)連接。
- 一種執行基於用戶平面壅塞(UPCON)的策略決定的方法,該方法包含:接收在核心網路(CN)中的策略和計費規則功能(PCRF)的無線電存取網路(RAN)用戶平面壅塞(UPCON)資訊(RUCI);以及基於在該PCRF接收的該RUCI在該PCRF執行減少在RAN節點的交通的策略決定。
- 如申請專利範圍第14項的方法,還包含透過功能元件在該PCRF接收來自操作和維護(OAM)系統的該RUCI。
- 如申請專利範圍第14項的方法,其中,在該PCRF接收的該RUCI包括特定演進節點B(eNB)的壅塞等級或被該UPCON衝擊的演進式通用陸地無線電存取網 路(UTRAN)細胞。
- 如申請專利範圍第14項的方法,其中,在該PCRF接收的該RUCI包括被該UPCON衝擊的用戶設備(UE)的識別碼。
- 如申請專利範圍第14項的方法,其中,在該PCRF接收的該RUCI包括存取點名稱(APN),該RUCI針對該APN報告。
- 如申請專利範圍第14項的方法,還包含在該PCRF執行基於壅塞等級、用戶設備(UE)的識別符或包括在該RUCI中的存取點名稱(APN)中至少一者的策略決定。
- 如申請專利範圍第14項的方法,其中,接收該RUCI的該PCRF作為被該UPCON衝擊的用戶設備(UE)的封包資料網路(PDN)連接。
- 一種演進式封包核心(EPC),包含:至少一處理器;記憶體裝置,用以儲存多個指令,當該等指令被該至少一處理器執行時,導致該至少一處理器執行下列操作:識別無線電存取網路(RAN)用戶平面壅塞(UPCON)資訊(RUCI),該RUCI包括特定演進節點B(eNB)的壅塞等級或被該UPCON衝擊的演進式通用陸地無線電存取網路(UTRAN)細胞、被該UPCON衝擊的用戶設備(UE)的識別碼、以及存取點名稱(APN),該RUCI針對該APN報告;以及 執行一策略決定以便減少在RAN節點的交通,該策略決定基於壅塞等級、該UE的識別符、及包括在該RUCI中的存取點名稱(APN)而予以執行。
- 如申請專利範圍第21項的EPC,當該等指令被該至少一處理器執行時,導致該至少一處理器執行下列操作:透過功能元件在該PCRF接收來自操作和維護(OAM)的該RUCI。
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