TWI559714B - 在行動網路中的無線電存取技術資訊之儲存 - Google Patents

在行動網路中的無線電存取技術資訊之儲存 Download PDF

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TWI559714B
TWI559714B TW103113700A TW103113700A TWI559714B TW I559714 B TWI559714 B TW I559714B TW 103113700 A TW103113700 A TW 103113700A TW 103113700 A TW103113700 A TW 103113700A TW I559714 B TWI559714 B TW I559714B
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information
network node
radio access
user equipment
frequency band
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TW103113700A
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TW201501498A (zh
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羅伯特 左斯
陳振豪
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英特爾Ｉｐ公司
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Description

在行動網路中的無線電存取技術資訊之儲存 發明領域
本文中之本發明大體上係關於用於管理在行動網路中的無線電存取技術資訊之儲存的裝置、系統及/或方法。
發明背景
在無線網路(諸如，根據第三代合作夥伴計劃(3GPP)之標準的公用陸地行動網路(PLMN))中，可將類似於通用封包無線電子系統演進型無線電存取網路(GERAN)、通用行動電信系統地面無線電存取網路(UTRAN)及演進型UTRAN(E-UTRAN)的用於不同無線電存取技術(RAT)之無線電存取網路連接至共同演進型封包核心(EPC)。3GPP標準可支援不同RAT之間的封包交換式(PS)交遞。在一實例中，可將附接至PS域且正與GERAN進行臨時區塊追隨(temporary block follow,TBF)的在此項技術中亦稱為行動台(MS)之使用者設備(諸如，行動電話或蜂巢式電話、個人電腦、平板電腦，或可作為行動網路之部分來進行通訊的 任何裝置)(例如，使用者裝置正與網路交換封包)交遞至UTRAN或E-UTRAN小區。
依據本發明之一實施例，係特地提出一種方法，其包含：由一行動網路之一網路節點自使用者設備接收與一或多種無線電存取技術相關之一請求；以及由該網路節點回應於該請求將一回覆訊息傳輸至該使用者設備，該回覆訊息針對該一或多種無線電存取技術中之每一者包括該網路節點可分配以儲存與該一或多種無線電存取技術相關之資訊的電子儲存器之一量的一指示。
100‧‧‧行動網路
102‧‧‧使用者設備
104‧‧‧無線電介面
106‧‧‧演進型通用行動電信系統地面無線電存取網路(E-UTRAN)系統
108‧‧‧S1-MME鏈路
110‧‧‧行動性管理實體(MME)
112‧‧‧S1-U鏈路
114‧‧‧伺服閘道器
115‧‧‧S11鏈路
116‧‧‧S3鏈路
118‧‧‧伺服通用封包無線電子系統支援節點(SGSN)
120‧‧‧S4鏈路
122‧‧‧內部S10鏈路
124‧‧‧S6a鏈路
126‧‧‧本籍用戶伺服器(HSS)
127‧‧‧Iu鏈路
128‧‧‧S12鏈路
129‧‧‧Gb鏈路
130‧‧‧通用行動電信系統地面無線電存取網路(UTRAN)
132‧‧‧通用封包無線電子系統演進型無線電存取網路(GERAN)
134‧‧‧S5鏈路
136‧‧‧公用資料網路(PDN)閘道器
138‧‧‧鏈路
140‧‧‧策略及計費規則功能(PCRF)節點
142‧‧‧SGi鏈路
144‧‧‧業者之IP服務
146‧‧‧鏈路
200‧‧‧訊息流程圖/訊息流程
202、206‧‧‧訊息
204‧‧‧附接接受訊息
208‧‧‧基地台子系統(BSS)
210‧‧‧使用者裝置網路能力資訊元素
212‧‧‧電子儲存器
214、216‧‧‧資訊元素
300‧‧‧訊息流程圖
302‧‧‧S1-AP訊息
304‧‧‧eNode-B
306‧‧‧使用者設備能力詢問訊息
308‧‧‧使用者裝置能力資訊訊息
310‧‧‧S1-AP訊息
500‧‧‧機器
502‧‧‧處理器
504‧‧‧主記憶體
506‧‧‧靜態記憶體
508‧‧‧匯流排
510‧‧‧圖形顯示器
512‧‧‧文數字輸入裝置
514‧‧‧游標控制裝置
516‧‧‧儲存單元
518‧‧‧信號產生裝置
520‧‧‧網路介面裝置
522‧‧‧機器可讀媒體
524‧‧‧指令
526‧‧‧網路
圖1為一實例實施例中之行動網路的方塊圖。
圖2為一實例實施例中的經由GERAN之附接程序的訊息流程圖。
圖3為在一實例實施例中的用於獲得使用者設備之RAT間無線電能力的演進型封包核心(EPC)環境中之訊息流程圖。
圖4為用於在一實例實施例中儲存無線電存取技術資訊之流程圖。
圖5為說明根據一些實例實施例的機器之組件的方塊圖。
較佳實施例之詳細說明
以下描述及圖式充分說明具體實施例，以使得 熟習此項技術者能夠實踐該等實施例。其他實施例可併有結構、邏輯、電、程序及其他改變。一些實施例之部分及特徵可包括於彼等其他實施例中或替代彼等其他實施例中。申請專利範圍中所闡述之實施例涵蓋彼等申請專利範圍之所有可用等效物。
圖1為一實例實施例中之行動網路100的方塊圖。在各種實例中，行動網路100為支援(但不限於)GERAN、UTRAN及/或E-UTRAN之演進型封包核心網路。應理解，雖然各種組件可為如所說明之特定元件，但可藉由用於各種相關行動網路及行動網路環境之類似或合適組件來替代該等組件。
使用者設備102(如所提到，其亦被稱作行動台(MS))經由無線電介面104(例如，長期演進(LTE-Uu))以通訊方式耦接至E-UTRAN 106系統。E-UTRAN 106可經由S1-MME(行動性管理實體)鏈路108以通訊方式耦接至MME 110，並經由S1-U鏈路112耦接至伺服閘道器114。MME 110可經由S11鏈路115直接連接至伺服閘道器114，且可經由S3鏈路116連接至伺服通用封包無線電子系統支援節點(SGSN)118，該節點自身經由S4鏈路120連接至伺服閘道器114。MME 110可經由內部S10鏈路122連接至另一MME，並經由S6a鏈路124連接至本籍用戶伺服器(HSS)126。
伺服閘道器114可經由S12鏈路128連接至一或多個UTRAN 130網路。SGSN 118可經由Iu鏈路127連接至一 或多個UTRAN 130，並經由Gb鏈路129連接至一或多個GERAN 132網路。伺服閘道器114可進一步經由S5鏈路134連接至公用資料網路(PDN)閘道器136。PDN閘道器136可經由鏈路138連接至策略及計費規則功能(PCRF)節點140，並經由SGi鏈路142連接至提供業者之IP服務144(諸如，由IP多媒體子系統(IMS)所提供之服務)的封包資料網路。PCRF節點140可經由鏈路146連接至提供業者之IP服務144的封包資料網路。
為了準備不同RAT之間的交遞，行動網路可利用關於使用者裝置之無線電能力的資訊，諸如關於由使用者裝置所支援的RAT、頻帶、功率類別等之資訊。當伺服使用者裝置之無線電存取網路決定至另一RAT之交遞為所要或需要的時，可在交遞準備期間將無線電能力資訊用信號發送至控制交遞之目標小區的無線電控制器(例如，用於UTRAN之無線電網路控制器(RNC)、用於E-UTRAN之eNode-B等)。無線電控制器可使用無線電能力資訊，以在目標小區中保留適當頻道以用於使用者裝置，且建置接著被遞送至使用者裝置之對應發信號訊息(例如，交遞命令)。
每次使用者裝置建立至UTRAN或E-TRAN之連接或至GERAN之TBF時，取決於(例如)所支援之RAT及頻帶的數目，用於使用者裝置之RAT間交遞的無線電能力資訊之量對於在網路上或至網路之傳送可能不切實際或不合需要。在各種當代實例中，無線電能力資訊之量可超過一 百(100)個八位元組之資訊(八位元組經定義為八個(8)資訊位元)。在此等實例中，可將資訊傳送至核心網路節點(例如，SGSN或MME)，並將其儲存於彼節點中，在將使用者裝置附接至核心網路節點之程序、路由區域程序(例如，經由GERAN/UTRAN)或追蹤區域更新程序(例如，經由E-UTRAN)期間，使用者裝置藉由該資訊而註冊至核心網路節點。稍後，在交遞準備期間，核心網路節點可將所儲存之無線電能力資訊用信號發送至控制交遞之目標小區的無線電控制器(例如，用於UTRAN之RNC或用於E-UTRAN之eNode-B)。
因而，無線網路標準之發展，諸如標準化額外頻帶、調變方案、雙工模式(例如，分時雙工(TDD)、分頻雙工(FDD)等)之彼等發展可添加可由使用者裝置提供的額外無線電能力資訊。某些行動網路可至少部分地基於可相對舊式或可包括相對少量電子儲存器的核心網路節點，且因此，隨著資訊增加，使用者裝置可傳輸的無線電能力資訊之量可超出彼等核心網路節點之電子儲存空間。即使在核心網路節點為具有當代電子儲存器之現代網路節點的情況下，使用者裝置可傳輸的無線電能力資訊之量的增加仍可超過核心網路節點之電子儲存能力。
在一實例中，3GPP之版本8可要求SGSN能夠儲存來自自GERAN交遞至UTRAN的多達兩百五十五(255)個八位元組之RAT間無線電能力資訊，及用於自GERAN交遞至E-UTRAN的另外兩百五十五(255)個八位元組之RAT間 無線電能力資訊(參見(例如)3GPP TS 23.060，v.8.17.0，子條款6.14及6.14.1.1)。對於MME，對應要求為儲存多達五百一十(510)個八位元組之RAT間無線電能力資訊(參見(例如)3 GPP TS 23.401 v.8.18.0，子條款5.11.2)，該資訊包括用於至GERAN之RAT間交遞的資訊及用於至UTRAN之RAT間交遞的資訊兩者。
然而，最近發展表明用於E-UTRAN之無線電能力的預期大小可能很快超過五百(500)個八位元組，此係由於功能增長及引入新頻帶。在一實例中，資訊元素之最大大小可為約一千零六十三(1263)個八位元組。可預期，未來發展將進一步增加使用者裝置可傳輸且核心網路節點可需要管理的無線電能力資訊之大小。
對於經由GERAN之附接及路由區域更新，對(例如)兩百五十五(255)個八位元組的限制可源自要求資訊適配於單一資訊元素(IE)，且由一(1)個八位元組之長度指示符給定此資訊元素之長度的標準(參見(例如)3GPP TS 24.008協定)。原則上，藉由將RAT間無線電能力資訊分裂成若干片段(每一片段小於或等於兩百五十五(255)個八位元組)並將新的可選資訊元素添加至各別附接完成及路由區域更新完成訊息，以便攜載此等片段(諸如，每常規協定演進)，有可能克服對兩百五十五(255)個八位元組之限制。
另外，即使找到對資訊元素要求之暫時解決方案，使用者裝置仍可能不知曉其是否正將訊息發送至可能 無法辨識出內容且可將額外資訊作為未知訊息增強而丟棄之舊版核心網路節點。丟棄額外資訊可浪費網路頻寬，且可使甚至更多資訊無用或具有有限價值，此係因為資訊截斷可導致丟失與某些頻帶相關之資訊，從而使與彼等頻帶相關的其他資訊具有有限價值或無價值。
大體而言，本文中所描述之當前系統在面臨新發展時可缺乏靈活性。舉例而言，當該系統並非當前經規劃時，無線電能力資訊可開始超過一千五百(1,500)個八位元組，且若無線電能力資訊開始超過甚至彼量之資訊，則嚴格地作出以滿足彼容量之解決方案可呈現為低效的。
圖2為一實例實施例中的經由GERAN之附接程序的訊息流程圖200。如所說明，訊息202、204、206經由基地台子系統(BSS)208流動於使用者設備102與核心網路節點(如所說明之SGSN 118)之間，如此項技術中已知。雖然此處所說明之核心網路節點為SGSN 118，但應理解在適當時，代替或除SGSN 118之外，使用任何合適之核心網路節點(諸如，MME 110)。BSS 208可為行動網路100之多種合適組件中之任一者。在各種替代實例中，訊息202、204、206可經由行動網路100之任何合適組件來投送。核心網路節點可至少部分地實施為或併有機器500(圖5)之元件中的一些。
當使用者設備102在訊息202中起始請求(諸如，附接請求或路由區域更新請求及/或程序)時，使用者設備102提供使用者裝置網路能力資訊元素210。在一實例中， 資訊元素210包括與使用者設備102是否支援至各種RAT(諸如，UTRAN或E-UTRAN)之封包交換式(PS)交遞相關的資訊。
SGSN 118利用資訊元素210及關於由行動網路100所支援之RAT的資訊(例如，如由SGSN 118所提供或自該SGSN中之位置資訊所獲得)，以決定SGSN 118將請求使用者設備102提供用於哪些目標RAT之RAT間無線電能力資訊。附接接受訊息204包括與如由SGSN 118所識別之目標RAT相關的請求。
在一實例中，對於附接接受訊息204中所請求的每一目標RAT，SGSN 118在訊息204中額外包括SGSN 118準備將多少個八位元組之使用者裝置102之目標RAT無線電能力資訊(例如，與UTRAN或EJJTRAN相關)儲存於電子儲存器212中的指示。電子儲存器212可為此項技術中已知之多種電腦記憶體(諸如，隨機存取記憶體(RAM))及電腦儲存器(諸如，硬碟、快閃記憶體及其類似者)中之任一者。在各種實例中，SGSN 118可分配多少個八位元組之指示可包括於作為行動網路100之標準操作的部分產生的資訊元素214內，諸如藉由將指示包括於資訊元素214之備用或由於其他方式未使用的位元內。或者，可包括該指示作為專用資訊元素214之部分，例如，將不會以其他方式發生或作為行動網路100之操作的部分產生的資訊元素214。
在各種實例中，(例如)根據習知之錯誤處置規則，若使用者設備102由於缺乏經更新之協定而並不理解 指示，則其可拒絕資訊。在此等實例中，資訊元素214可與舊版使用者裝置102回溯兼容，此係因為在可能不利用資訊元素214時，資訊元素214可能不會引起故障或以其他方式破壞大體上行動網路100及特定地使用者設備102之操作。在各種實例中，錯誤處置規則可根據3 GPP TS 24.008標準而實行。
在各種實例中，以八位元組之預定數目的倍數指定SGSN 118可儲存的用於特定RAT之八位元組數目。在一實例中，八位元組之預定數目為兩百五十五(255)。在各種實例中，可根據關於行動網路100所利用之標準選擇八位元組之預定數目，以便根據行動網路100中實行之標準，使八位元組之預定數目與資訊元素210、214之最大長度一致。
在一實例中，當使用者設備102接收具有資訊請求之訊息204時，使用者設備102將資訊元素216中之資訊包括於包括附接完成訊息之訊息206中。資訊元素216可包括RAT間交遞資訊元素(例如，用於交遞至UTRAN)，或E-UTRAN RAT間交遞資訊元素(例如，用於交遞至E-UTRAN)。在一實例中，資訊元素216包括多達預定最大數目個八位元組的資訊。
在各種實例中，若使用者設備102具有用於特定RAT的大於預定最大數目個八位元組的資訊，且資訊元素214指示SGSN 118已在電子儲存器212中分配足夠量之記憶體或儲存空間，則使用者設備102可傳輸多個資訊元素216 中之資訊。每一資訊元素216可包括多達預定最大量之資訊。
在各種實例中，若根據頻帶結構化RAT間無線電能力資訊，且使用者設備102可提供的用於某一目標RAT之資訊長於SGSN 118可儲存的用於該目標RAT之資訊，則取決於是否可將用於頻帶之所有資訊儲存於電子儲存器212中，使用者設備102可包括與特定頻帶相關之資訊。在各種實例中，使用者設備102識別可由SGSN 118所分配之電子儲存器支援的頻帶。應認識到，本文中所描述的關於頻帶之原理可同樣良好地適用於可傳輸的任何其他類別之資訊；在此等實例中，使用者設備102可識別所分配之電子儲存器的範疇，並相應地選擇可傳輸至SGSN 118的資訊，以免超過所分配之電子儲存器。
使用者設備102可諸如在(但未必限於)所分配之電子儲存空間小於使用者設備102可傳輸之資訊的情況下將所傳輸之資訊排定優先次序，如本文中所揭示。在一實例中，在傳輸與未處於使用中或未由使用者設備102咸信為處於使用中之頻帶相關的資訊之前，使用者設備102可傳輸與以下頻帶相關之資訊：使用者設備102知曉處於使用中，或具有指示頻帶在行動網路102中處於使用中或可由使用者設備102利用的資料。在各種實例中，使用者設備102可自RAT間相鄰小區資訊獲得與處於使用中之頻帶相關的資訊，使用者設備102可在系統資訊廣播中接收該RAT間相鄰小區資訊，使用者設備102可自或基於使用者 設備102正操作所處之小區接收該系統資訊廣播。因此，使用者裝置可調整使用者裝置發送為RAT間無線電能力資訊之內容，以匹配行動網路100指示其可儲存之內容，及行動網路100指示為處於使用中或可處於使用中之實際頻帶的內容。
在各種實例中，使用者設備102可四處移動至不同部分，例如，移動至行動網路100之不同實體位置或行動網路100內之不同實體位置。在此等實例中，使用者設備102可發現相比於使用者設備102最後指示於其RAT間無線電能力資訊中之頻帶，新的及/或不同之頻帶正用於行動網路100之不同部分之間及當中。在此等實例中，使用者設備102可(諸如)藉由起始訊息202或訊息202之修改來起始路由區域更新或追蹤區域更新程序，以將經更新之RAT間無線電能力資訊提供至SGSN 118。使用者設備102可考慮最近指示之電子儲存器分配，或可自SGSN 118獲得新的電子儲存器分配(諸如，藉由在訊息流程200中起始本文中所描述之程序)。
訊息流程200及相關揭示內容同樣適用於行動網路100之各種額外操作模式。在各種實例中，附接程序及其相關聯協定訊息202、204、206大體上適用於路由區域更新程序及其相關聯協定訊息。程序可適用於如3GPP TS 24.008及3GPP TS 24.301中所描述之其他非存取層(NAS)發信號訊息。
圖3為在一實例實施例中的用於獲得使用者設備 102之RAT間無線電能力的演進型封包核心(EPC)環境中之訊息流程圖300。訊息流程圖200之原理可大體上適用於訊息流程圖300之原理，且關於訊息流程圖200所提供之細節適用於以下論述。將關於E-UTRAN系統描述訊息流程圖300。與訊息流程圖200之GERAN系統對比，E-UTRAN系統包括經由存取層RRC發信號(參見(例如)3GPP TS 36.331)交換RAT間無線電能力之使用者設備102。eNode-B無線電控制器可經由S1-AP發信號(參見(例如)3GPP TS 36.413)提供彼資訊。
S1-AP訊息302可自MME 110傳遞至eNode-B 304。訊息302可包括初始內容脈絡設置請求或使用者設備102無線電能力匹配請求。訊息302可包括對使用者設備102之額外指示，該指示係關於用以儲存使用者設備102之RAT間無線電能力的MME 110之容量及/或分配，如本文中所揭示。eNode-B 304可發送使用者設備102能力詢問訊息306。訊息306可包括對使用者設備102之額外指示，該指示係關於用以儲存使用者設備102之RAT間無線電能力的MME 110之容量或分配。
使用者設備102可藉由至eNode-B 304之使用者裝置能力資訊訊息308而作出回應。eNode-B 304可接著將S1-AP訊息310傳輸至MME 110。訊息310可包括初始內容脈絡設置回應、使用者設備102無線電能力匹配回應及使用者設備102能力資訊指示符中之一者或全部。可根據上文關於訊息流程200所描述之原理來傳輸本文中所描述之 各種訊息302、306、308、310。
本文中所描述之原理適用於各種額外情況，包括(但未必限於)協定組配選項資訊(參見(例如)3GPP TS 24.008，子條款9.9.4.11)，及使用者設備102提供至行動網路100的訊務流聚集描述資訊(參見(例如)3GPP TS 24.008，子條款9.9.4.15)。
圖4為用於在一實例實施例中儲存無線電存取技術資訊之流程圖。可關於行動網路100或任何其他合適之網路或系統來使用該流程圖。
在400處，行動網路之網路節點自使用者設備接收與一或多種無線電存取技術相關之請求。在一實例中，網路節點為第一網路節點，且其中來自使用者設備之請求為以下各者中之至少一者：向第一網路節點註冊之請求，或將註冊更新至第一網路節點或第二網路節點中之至少一者的請求。
在402處，網路節點回應於請求而將回覆訊息傳輸至使用者設備，該回覆訊息針對一或多種無線電存取技術中之每一者包括網路節點可分配以儲存與一或多種無線電存取技術相關之資訊的電子儲存器之量的指示。在一實例中，網路節點可分配的電子儲存器之量為兩百五十五個八位元組之倍數。
在404處，網路節點接收與一或多種無線電存取技術相關之資訊中的至少一些，該資訊不超過電子儲存器之量。在一實例中，與一或多種無線電存取技術相關之資 訊係在一或多個分離地傳輸之資訊元素中接收，每一資訊元素包括與一種無線電存取技術相關的不超過預定最大數目個八位元組之資訊。在一實例中，若與一種無線電存取技術相關之資訊包括比預定最大值多之八位元組之資訊，則接收資訊中之至少一些包括在多個資訊元素中接收資訊中之至少一些，每一資訊元素包括不超過預定最大數目個八位元組。
在一實例中，無線電存取技術中之至少一者與至少一預定頻帶相關聯，且其中由網路節點所接收之資訊為與至少一頻帶相關之資訊。在一實例中，與至少一頻帶相關之資訊對應於以下各者中之至少一者：由使用者設備支援至少一頻帶之指示，及由使用者設備在至少一頻帶中進行之傳輸之最大額定輸出功率的指示。在一實例中，至少一頻帶正由行動網路使用。
在406處，網路節點接收與行動網路之地理特性相關的資訊，地理特性係關於行動網路之路由區域及行動網路之追蹤區域中的至少一者，該資訊不超過電子儲存器之量。在各種實例中，網路節點與上文之404同時或代替上文之404接收資訊。
圖5為說明根據一些實例實施例的能夠自機器可讀媒體(例如，機器可讀儲存媒體)讀取指令並執行本文中所論述之方法中的任何一或多者的機器500之組件的方塊圖。具體言之，圖5展示機器500之圖解表示，該機器呈電腦系統之實例形式，且在該機器內可執行用於使機器500 執行本文中所論述之方法中的任何一或多者之指令524(例如，軟體)。在替代實施例中，機器500操作為獨立裝置或可連接(例如，網路連接)至其他機器。在網路連接式部署中，機器500可作為伺服器-用戶端網路環境中之伺服器機器或用戶端機器來操作，或操作為同級間(或分散式)網路環境中之同級機器。機器500可為伺服器電腦、用戶端電腦、個人電腦(PC)、平板電腦、膝上型電腦、迷你筆記型電腦、機上盒(STB)、個人數位助理(PDA)、蜂巢式電話、智慧型電話、web設備、網路路由器、網路交換器、網路橋接器，或能夠依序地或以其他方式執行指定機器將採取之動作的指令524之任何機器。另外，雖然僅說明單一機器，但亦應將術語「機器」視為包括個別地或共同地執行指令524以執行本文中所論述之方法中的任何一或多者之機器集合。
機器500包括處理器502(例如，中央處理單元(CPU)、圖形處理單元(GPU)、數位信號處理器(DSP)、特殊應用積體電路(ASIC)、射頻積體電路(RFIC)或其任何合適組合)、主記憶體504及靜態記憶體506，該等裝置經組配以經由匯流排508彼此通訊。機器500可進一步包括圖形顯示器510(例如，電漿顯示板(PDP)、發光二極體(LED)顯示器、液晶顯示器(LCD)、投影儀或陰極射線管(CRT))。機器500亦可包括文數字輸入裝置512(例如，鍵盤)、游標控制裝置514(例如，滑鼠、觸控板、軌跡球、操縱桿、運動感測器或其他指標器具)、儲存單元516、信號產生裝置 518(例如，揚聲器)及網路介面裝置520。
儲存單元516包括儲存有指令524(例如，軟體)之機器可讀媒體522，該等指令體現本文中所描述之方法或功能中的任何一或多者。在由機器500執行指令524期間，該等指令亦可完全或至少部分駐留於主記憶體504內、處理器502內(例如，處理器之快取記憶體內)，或該兩者內。因此，可將主記憶體504及處理器502視為機器可讀媒體。可經由網路介面裝置520在網路526上傳輸或接收指令524。網路介面裝置520可為有線收發器或無線收發器，其包括可用於蜂巢式網路或行動網路(諸如，行動網路100)中之一或多個收發器。
如本文中所使用，術語「記憶體」係指能夠暫時地或永久地儲存資料之機器可讀媒體，且可視為包括(但不限於)隨機存取記憶體(RAM)、唯讀記憶體(ROM)、緩衝記憶體、快閃記憶體及快取記憶體。雖然在實例實施例中將機器可讀媒體522展示為單一媒體，但應將術語「機器可讀媒體」視為包括能夠儲存指令之單一媒體或多個媒體(例如，集中式或分散式資料庫，或相關聯快取記憶體及伺服器)。亦應將術語「機器可讀媒體」視為包括能夠儲存用於由機器(例如，機器500)執行之指令(例如，軟體)的任何媒體，或多個媒體之組合，使得當由機器之一或多個處理器(例如，處理器502)執行時，該等指令使機器執行本文中所描述之方法中的任何一或多者。因此，「機器可讀媒體」係指單一儲存設備或裝置，以及包括多個儲存設備或裝置 的「基於雲端」之儲存系統或儲存網路。因此，應將術語「機器可讀媒體」視為包括(但不限於)呈固態記憶體、光學媒體、磁性媒體或其任何合適組合之形式的一或多個資料儲存庫。
貫穿本說明書，多個例項可實施描述為單一例項之組件、操作或結構。儘管將一或多個方法之個別操作說明並描述為單獨操作，但可並行地執行個別操作中之一或多者，且並不要求以所說明之次序執行操作。呈現為實例組配中之單獨組件的結構及功能性可實施為組合式結構或組件。類似地，呈現為單一組件之結構及功能性可實施為單獨組件。此等及其他變化、修改、添加及改良屬於本文中之標的物的範疇內。
本文中將某些實施例描述為包括邏輯或數個組件、模組或機制。模組可構成軟體模組(例如，體現於機器可讀媒體上或傳輸信號中之程式碼)抑或硬體模組。「硬體模組」為能夠執行某些操作，且可以某一實體方式經組配或配置的有形單元。在各種實例實施例中，一或多個電腦系統(例如，獨立電腦系統、用戶端電腦系統或伺服器電腦系統)或電腦系統之一或多個硬體模組(例如，處理器或處理器群組)可由軟體(例如，應用程式或應用程式部分)經組配為操作以執行如本文中所描述之某些操作的硬體模組。
在一些實施例中，可以機械方式、電子方式或其任何合適組合來實施硬體模組。舉例而言，硬體模組可 包括永久地經組配以執行某些操作之專用電路或邏輯。舉例而言，硬體模組可為特殊用途處理器，諸如場可規劃閘陣列(FPGA)或ASIC。硬體模組亦可包括由軟體暫時地組配以執行某些操作之可規劃邏輯或電路。舉例而言，硬體模組可包括涵蓋於通用處理器或其他可規劃處理器內之軟體。將瞭解，可由成本及時間考慮因素驅動以機械方式、專用且經永久地組配電路或經暫時組配電路(例如，由軟體組配)實施硬體模組之決策。
因此，應將片語「硬體模組」理解為涵蓋有形實體，即經實體建構、永久組配(例如，固線式)或暫時組配(例如，規劃)而以某一方式操作或執行本文中所描述之某些操作的彼實體。如本文中所使用，「硬體實施模組」係指硬體模組。考慮硬體模組經暫時組配(例如，規劃)之實施例，無需在任一時間瞬時組配或例項化硬體模組中之每一者。舉例而言，在硬體模組包含由軟體組配以變為特殊用途處理器之通用處理器的情況下，通用處理器可在不同時間經組配為分別不同之特殊用途處理器(例如，包含不同硬體模組)。因此，軟體可組配處理器，以(例如)在一時間瞬時構成特定硬體模組，並在不同時間瞬時構成不同硬體模組。
硬體模組可將資訊提供至其他硬體模組並自其他硬體模組接收資訊。因此，可將所描述之硬體模組視為以通訊方式耦接。在同時存在多個硬體模組之情況下，可經由硬體模組中之兩者或兩者以上之間或當中的信號傳輸 (例如，經由適當電路及匯流排)而達成通訊。在於不同時間組配或例項化多個硬體模組之實施例中，可(例如)經由儲存及擷取多個硬體模組存取的記憶體結構中之資訊而達成此等硬體模組之間的通訊。舉例而言，一個硬體模組可執行操作，並將彼操作之輸出儲存於其以通訊方式耦接至的記憶體裝置中。接著，另一硬體模組可在稍後時間存取記憶體裝置，以擷取並處理所儲存之輸出。硬體模組亦可起始與輸入或輸出裝置之通訊，且可對資源(例如，資訊集合)進行操作。
可至少部分地由經暫時組配(例如，由軟體)或永久組配以執行相關操作之一或多個處理器執行本文中所描述之實例方法的各種操作。無論係經暫時組配抑或永久組配，此等處理器皆可構成操作以執行本文中所描述之一或多個操作或功能的處理器實施模組。如本文中所使用，「處理器實施模組」係指使用一或多個處理器所實施的硬體模組。
類似地，本文中所描述之方法可至少部分係經處理器實施的，處理器為硬體之實例。舉例而言，可由一或多個處理器或處理器實施模組執行方法之操作中的至少一些。此外，一或多個處理器亦可操作，以支援「雲端計算」環境中之相關操作的執行，或作為「軟體即服務」(SaaS)。舉例而言，可由電腦群組(作為包括處理器之機器的實例)執行操作中之至少一些，其中可經由網路(例如，網際網路)及經由一或多個適當介面(例如，應用程式介面 (API))存取此等操作。
某些操作之執行可分散在一或多個處理器當中，不僅駐留於單一機器內，而且跨越數個機器而部署。在一些實例實施例中，一或多個處理器或處理器實施模組可位於單一地理位置中(例如，家庭環境、辦公室環境或伺服器群內)。在其他實例實施例中，一或多個處理器或處理器實施模組可跨越數個地理位置而分散。
額外實例
實例1可包括標的物(諸如，一種用於執行動作之設備、方法、構件)，其可包括：由一行動網路之一網路節點自使用者設備接收與一或多種無線電存取技術相關之一請求，以及由該網路節點回應於該請求將一回覆訊息傳輸至該使用者設備，該回覆訊息針對該一或多種無線電存取技術中之每一者包括該網路節點可分配以儲存與該一或多種無線電存取技術相關之資訊的電子儲存器之一量的一指示。
實例2可包括實例1之方法，其進一步包括該網路節點為一第一網路節點，且其中來自該使用者設備之該請求為以下各者中之至少一者：向該第一網路節點註冊之一請求，或將一註冊更新至該第一網路節點或一第二網路節點中之至少一者的一請求。
實例3可包括實例1及實例2中之任何一或多者的方法，其進一步包括由該網路節點接收與該一或多種無線電存取技術相關之該資訊中的至少一些，該資訊不超過電 子儲存器之該量。
實例4可包括實例1至實例3中之任何一或多者的方法，其進一步包括與該一或多種無線電存取技術相關之該資訊係在一或多個分離地傳輸之資訊元素中接收，每一資訊元素包括與一種無線電存取技術相關的不超過預定最大數目個八位元組之資訊。
實例5可包括實例1至實例4中之任何一或多者的方法，其進一步包括若與該種無線電存取技術相關之該資訊包括比該預定最大值多之八位元組之資訊，則接收該資訊中之至少一些包括在多個資訊元素中接收該資訊中之該至少一些，每一資訊元素包括不超過該預定最大數目個八位元組。
實例6可包括實例1至實例5中之任何一或多者的方法，其進一步包括該等無線電存取技術中之至少一者與至少一預定頻帶相關聯，且其中由該網路節點所接收之該資訊為與該至少一頻帶相關之資訊。
實例7可包括實例1至實例6中之任何一或多者的方法，其進一步包括與該至少一頻帶相關之該資訊對應於以下各者中之至少一者：由該使用者設備支援該至少一頻帶之一指示，及由該使用者設備在該至少一頻帶中進行之傳輸之一最大額定輸出功率的一指示。
實例8可包括實例1至實例7中之任何一或多者的方法，其進一步包括該至少一頻帶正由該行動網路使用。
實例9可包括實例1至實例8中之任何一或多者的 方法，其進一步包括由該網路節點接收與該行動網路之一地理特性相關的資訊，該地理特性係關於該行動網路之一路由區域及該行動網路之一追蹤區域中的至少一者，該資訊不超過電子儲存器之該量。
實例10可包括實例1至實例9中之任何一或多者的方法，其進一步包括該網路節點可分配的電子儲存器之該量為兩百五十五個八位元組之一倍數。
實例11可包括標的物(諸如，一種用於執行動作之設備、方法、構件)，其可包括一種用於一行動網路之網路節點，該網路節點包括：一電子儲存器，其經組配以儲存與一或多種無線電存取技術相關之資訊；一處理器，其經組配以判定可經分配以用於儲存來自使用者設備之與無線電存取技術相關之資訊的該電子儲存器中之未使用空間的一量；以及一收發器，其經組配以自該使用者設備接收與一或多種無線電存取技術相關之一請求，並將一回覆訊息傳輸至該使用者設備，該回覆訊息針對該一或多種無線電存取技術中之每一者包括該網路節點可分配以儲存與該一或多種無線電存取技術相關之資訊的電子儲存器之一量的一指示。
實例12可包括實例11之網路節點，其進一步包括該網路節點為一第一網路節點，且其中來自該使用者設備之該請求為以下各者中之至少一者：向該第一網路節點註冊之一請求，或將一註冊更新至該第一網路節點或一第二網路節點中之至少一者的一請求。
實例13可包括實例11及實例12中之任何一或多者的網路節點，其進一步包括該接收器進一步經組配以接收與該一或多種無線電存取技術相關之該資訊中的至少一些，該資訊不超過可如由該處理器所判定而分配的電子儲存器之該量。
實例14可包括實例11至實例13中之任何一或多者的網路節點，其進一步包括與該一或多種無線電存取技術相關之該資訊係在一或多個分離地傳輸之資訊元素中接收，每一資訊元素包括與一種無線電存取技術相關的不超過預定最大數目個八位元組之資訊。
實例15可包括實例11至實例14中之任何一或多者的網路節點，其進一步包括若與該種無線電存取技術相關之該資訊包括比該預定最大值多之八位元組之資訊，則該收發器經組配以在多個資訊元素中接收該資訊中之該至少一些，每一資訊元素包括不超過該預定最大數目個八位元組。
實例16可包括實例11至實例15中之任何一或多者的網路節點，其進一步包括該等無線電存取技術中之至少一者與至少一預定頻帶相關聯，且其中該收發器經組配以接收與該至少一頻帶相關之資訊。
實例17可包括實例11至實例16中之任何一或多者的網路節點，其進一步包括與該至少一頻帶相關之該資訊對應於以下各者中之至少一者：由該使用者設備支援該至少一頻帶之一指示，及由該使用者設備在該至少一頻帶 中進行之傳輸之一最大額定輸出功率的一指示。
實例18可包括實例11至實例17中之任何一或多者的網路節點，其進一步包括該至少一頻帶正由該行動網路使用。
實例19可包括實例11至實例18中之任何一或多者的網路節點，其進一步包括該收發器經進一步組配以接收與該行動網路之一地理特性相關的資訊，該地理特性係關於該行動網路之一路由區域及該行動網路之一追蹤區域中的至少一者，該資訊不超過電子儲存器之該量。
實例20可包括實例11至實例19中之任何一或多者的網路節點，其進一步包括該處理器可分配的電子儲存器之該量為兩百五十五個八位元組之一倍數。
此等非限制性實例中之每一者可獨立存在，或可以任何排列或組合與其他實例中的一或多者組合。
上文之詳細描述包括對隨附圖式之參考，隨附圖式形成詳細描述之一部分。圖式藉由說明展示可實踐本發明之具體實施例。此等實施例在本文中亦稱為「實例」。此等實例可包括除所展示或描述之彼等元件之外的元件。然而，本發明人亦預期僅提供所展示或描述之彼等元件的實例。此外，本發明人亦預期關於特定實例(或其一或多個態樣)抑或關於本文中所展示或描述之其他實例(或其一或多個態樣)而使用所展示或描述之彼等元件的任何組合或排列的實例(或其一或多個態樣)。
在此文件中，如專利文件中所常見，使用術語 「一」以包括一個或一個以上，其獨立於「至少一」或「一或多個」之任何其他例項或使用。在此文件中，術語「或」用於指非排他性或，使得除非另外指示，否則「A或B」包括「A而非B」、「B而非A」及「A及B」。在此文件中，術語「包括」及「其中(in which)」用作各別術語「包含」及「其中(wherein)」之通俗等效術語。又，在以下申請專利範圍中，術語「包括」及「包含」將為開放性的，亦即，仍認為包括除列舉於請求項中之此術語之後的彼等元件之外的元件的系統、裝置、物件、組合物、調配物或程序屬於彼請求項之範疇內。此外，在以下申請專利範圍中，術語「第一」、「第二」及「第三」等僅用作標記，且並不意欲對其對象強加數值要求。
上文之描述意欲為說明性而非限制性的。舉例而言，上文所描述之實例(或其一或多個態樣)可彼此結合而使用。可使用其他實施例(諸如，由一般熟習此項技術者在檢閱上文之描述之後)。提供摘要以符合37 C.F.R.§ 1.72(b)，來允許讀者快速確定本技術揭示內容之本質。在理解以下內容之情況下提交摘要：其將不會用於解譯或限制申請專利範圍之範疇或意義。又，在上文之【實施方式】中，可將各種特徵群聚在一起以簡化本發明。不應將此情況解譯為表明未主張之揭示特徵對任何請求項而言係必需的。更確切而言，本發明標的物可在於少於特定所揭示實施例之所有特徵。因此，據此將以下申請專利範圍併入【實施方式】中，其中每一請求項作為一單獨實施例而獨 立存在，且預期此等實施例可與以各種組合或排列彼此組合。應參考所附申請專利範圍，連同此等申請專利範圍授權的等效物之全部範疇，判定本發明之範疇。
100‧‧‧行動網路
102‧‧‧使用者設備
104‧‧‧無線電介面
106‧‧‧演進型通用行動電信系統地面無線電存取網路(E-UTRAN)系統
108‧‧‧Sl-MME鏈路
110‧‧‧行動性管理實體(MME)
112‧‧‧Sl-U鏈路
114‧‧‧伺服閘道器
115‧‧‧S11鏈路
116‧‧‧S3鏈路
118‧‧‧伺服通用封包無線電子系統支援節點(SGSN)
120‧‧‧S4鏈路
122‧‧‧內部S10鏈路
124‧‧‧S6a鏈路
126‧‧‧本籍用戶伺服器(HSS)
127‧‧‧Iu鏈路
128‧‧‧S12鏈路
129‧‧‧Gb鏈路
130‧‧‧通用行動電信系統地面無線電存取網路(UTRAN)
132‧‧‧通用封包無線電子系統演進型無線電存取網路(GERAN)
134‧‧‧S5鏈路
136‧‧‧公用資料網路(PDN)閘道器
138‧‧‧鏈路
140‧‧‧策略及計費規則功能(PCRF)節點
142‧‧‧SGi鏈路
144‧‧‧業者之IP服務
146‧‧‧鏈路

Claims (16)

  1. 一種用於一行動網路之網路節點，其包含：一電子儲存器，其經組配以儲存與一或多種無線電存取技術相關之資訊；一處理器，其經組配來判定可經分配以用於儲存來自使用者設備之與無線電存取技術相關之資訊的該電子儲存器中之未使用空間的容量；以及一收發器，其經組配以進行以下操作：接收來自該使用者設備與一或多種無線電存取技術相關之一請求；將一回覆訊息傳輸至該使用者設備，該回覆訊息包括針對於該等一或多種無線電存取技術中之每一者之該網路節點可分配以儲存與該等一或多種無線電存取技術相關之資訊的電子儲存器的容量的一指示；以及接收來自該使用者設備之一回應，其包含該使用者設備之無線電容量資訊，該回應係基於該回覆訊息之該指示。
  2. 如請求項1之網路節點，其中網路節點為一第一網路節點，且其中來自該使用者設備之該請求為以下各者中之至少一者：向該第一網路節點註冊之一請求，或將一註冊更新至該第一網路節點或一第二網路節點中之至少一者的一請求。
  3. 如請求項1之網路節點，其中該接收器經進一步組配以接收與該等一或多種無線電存取技術相關的至少一些該資訊，該資訊不超過如該處理器所判定之可分配的該電子儲存器的容量。
  4. 如請求項3之網路節點，其中與該等一或多種無線電存取技術相關之該資訊係在一或多個分離地傳輸之資訊元素中接收，每一資訊元素包括與一種無線電存取技術相關之不超過一預定最大數目個八位元組資訊。
  5. 如請求項4之網路節點，其中若與該種無線電存取技術相關之該資訊包括比該預定最大值多的八位元組資訊，則該收發器經組配以在多個資訊元素中接收至少一些該資訊，每一資訊元素包括不超過該預定最大數目個八位元組。
  6. 如請求項3之網路節點，其中該等無線電存取技術中之至少一者與至少一預定頻帶相關聯，且其中該收發器經組配以接收與該至少一頻帶相關之資訊。
  7. 如請求項6之網路節點，其中與該至少一頻帶相關之該資訊對應於以下各者中之至少一者：由該使用者設備支援該至少一頻帶之一指示，及由該使用者設備在該至少一頻帶中進行之傳輸之一最大額定輸出功率的一指示。
  8. 如請求項6之網路節點，其中該至少一頻帶正由該行動網路使用。
  9. 如請求項1之網路節點，其中該收發器經進一步組配以接收與該行動網路之一地理特性相關的資訊，該地理特 性係關於該行動網路之一路由區域及該行動網路之一追蹤區域中的至少一者，該資訊不超過該電子儲存器的容量。
  10. 如請求項1之網路節點，其中該處理器可分配的電子儲存器之該容量為兩百五十五個八位元組之倍數。
  11. 如請求項1之網路節點，其中：該請求為用於該使用者設備之一附接請求或一路由區域更新請求中的一者，該請求包含關於該使用者設備是否支援封包交換式交遞至該等一或更多無線電存取技術之資訊；回應於該請求而判定網路節點將針對何種目標無線電存取技術請求該使用者設備來提供無線電間存取技術無線電能力資訊；該回覆包含用以提供該無線電間存取技術無線電能力資訊的請求；以及該使用者設備之該無線電能力資訊包含該無線電間存取技術無線電能力資訊；以及來自該使用者設備之該請求包含一附接完成訊息。
  12. 如請求項1之網路節點，其中：該網路節點可分配之該電子儲存器之容量的該指示被組態以被包括於一資訊元素內，該資訊元素藉由將指示包括於該資訊元素之備用或其他未使用的位元內而被產生以作為該行動網路之標準操作的部分。
  13. 如請求項1之網路節點，其中： 該網路節點可分配之該電子儲存器之容量的該指示經組態以被包括於一專用資訊元素內，該專用資訊元素將不會以其他方式發生或被產生作為行動網路之操作的部分。
  14. 如請求項1之網路節點，其中：若無線電間存取技術無線電能力資訊是根據頻帶而結構化，且要由該網路節點所接收之用於一目標無線電存取技術的資訊是長於該網路節點可儲存之用於該目標無線電存取技術的資訊，則該收發器經組配以取決於是否可將用於頻帶之該資訊儲存於該電子儲存器中來接收與特定頻帶相關之資訊。
  15. 如請求項1之網路節點，其中該收發器經組配以：在接收未處於使用中或未被使用者設備相信處於使用中之與頻帶相關的資訊前，接收關於頻帶之資訊，在該等頻帶上該使用者設備具有資料指出該等頻帶在該行動網路中係處於使用中或可藉由該使用者設備而被利用。
  16. 如請求項1之網路節點，其中：該收發器經組配以在接收來自該使用者設備之該請求之前發送一指示至該使用者設備，該指示係關於用以儲存該使用者設備之無線電間存取技術無線電能力的該網路節點之容量或分配。
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TW103113897A TWI559790B (zh) 2013-04-26 2014-04-16 在無線通訊網路中用於壅塞控制的設備及方法
TW105115759A TWI578796B (zh) 2013-04-26 2014-04-16 可組配用於視訊注意區域(roi)傳信之以經由ims之多媒體電話服務 (mtsi)為基礎的使用者設備(ue)
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