TW201406185A - 藉由機器型通信使用者設備用於無線單元的選擇性連接 - Google Patents

藉由機器型通信使用者設備用於無線單元的選擇性連接 Download PDF

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TW201406185A
TW201406185A TW102113971A TW102113971A TW201406185A TW 201406185 A TW201406185 A TW 201406185A TW 102113971 A TW102113971 A TW 102113971A TW 102113971 A TW102113971 A TW 102113971A TW 201406185 A TW201406185 A TW 201406185A
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mtc
enb
wireless
traffic
units
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TW102113971A
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English (en)
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TWI573484B (zh
Inventor
Puneet Jain
Sangeetha Bangolae
Marta Martinez Tarradell
Mo-Han Fong
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Intel Corp
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Priority claimed from US13/735,952 external-priority patent/US9246618B2/en
Application filed by Intel Corp filed Critical Intel Corp
Publication of TW201406185A publication Critical patent/TW201406185A/zh
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    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
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    • H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
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Abstract

本文描述藉由機器型通信(machine-type communication)(「MTC」)使用者設備(user equipment)(「UE」)用於無線單元之選擇性連接的實施例。MTC UE可能偵測複數個無線單元，各者藉由演進型節點B(evolved Node B)(「eNB」)提供。該MTC UE可能偵測與該等複數個無線單元的個別無線單元關聯的eNB類別，並可能基於該等關聯eNB類別識別在其上容許MTC流量之該等複數個經偵測無線單元的一或多個無線單元。該MTC UE可能基於單元選擇準則選擇性地連接該等一或多個已識別無線單元的一無線單元。另外，eNB可能提供無線單元並可能將識別該eNB將容許MTC流量的情況的MTC方針提供至MTC UE。可能將該eNB組態成基於該MTC方針選擇性地服務該MTC UE。

Description

藉由機器型通信使用者設備用於無線單元的選擇性連接 【相關申請案】
此申請案係根據美國臨時專利申請案編號61/646223，及主張該案優先權，標題為“ADVANCED WIRELESS COMMUNICATIONSYSTEMS AND TECHNIQUES”，其於2012年5月11日提出申請，該申請案的內容在此藉由參考方式引入。
本發明的實施例通常相關於資料處理的技術領域，且更明確地相關於藉由機器型通信使用者設備之無線單元的選擇性連接。
本文提供的先前技術描述通常用於呈現本揭示發明的背景。描述於此先前技術部分之本發明人的作品以及可能在申請時不另外具有先前技術資格之本描述的實施樣態既不明確地也不暗示性地承認為核駁本揭示發明的 先前技術。除非本文另外指明，於此部分描述的該等方式不係本揭示發明中之申請專利範圍的先前技術，也不藉由包括在此部分中而被承認為係先前技術。
部分使用者設備(「UE」)可能以少量或無人介入的方式主要或僅用於與其他UE或計算裝置的通信。此種UE的範例可能包括無線天氣感測器、組裝線感測器、及追蹤車隊之車輛的計量器等。在許多情形中，此等裝置可能登入無線網路並，例如，透過網際網路，與網路伺服器通信。在3GPP長期演進技術(「LTE」)第10版(2011年3月)(「LTE標準」)的說法中，此種通信可能稱為機器型通信(「MTC」)。在IEEE 802.16標準，IEEE Std.802.16-2009，於2009年5月29日發佈(「WiMAX」)的說法中，此種通信可能稱為機器-對-機器(「M2M」)通信。
使用MTC之主要或僅與其他計算裝置或UE通信的UE可能產生非常少量的使用者面流量。在許多情形中，該流量可能以低優先度處理。然而，隨著MTC UE的數量增加，總體通信量卻可能使網路過載。可能難以維持此種大量MTC UE連接而不影響其他(例如，行動電話)流量。
100‧‧‧MTC UE
102‧‧‧無線單元
104‧‧‧第一eNB
106‧‧‧第二eNB
108‧‧‧第三eNB
110‧‧‧第四eNB
112‧‧‧MME
114‧‧‧MTC-專用MME
700‧‧‧計算裝置
702‧‧‧印刷電路板
704‧‧‧處理器(等)
706‧‧‧通信晶片
708‧‧‧揮發性記憶體
710‧‧‧非揮發性記憶體
712‧‧‧快閃記憶體
714‧‧‧輸入/輸出控制器
716‧‧‧圖形處理器
718‧‧‧天線
720‧‧‧觸控螢幕顯示器
722‧‧‧觸控螢幕控制器
724‧‧‧電池
728‧‧‧全球定位系統(「GPS」)裝置
730‧‧‧羅盤
732‧‧‧揚聲器
734‧‧‧照相機
736‧‧‧感測器
738‧‧‧模組
藉由結合隨附圖式的以下詳細描述將輕易地理解實施例。為協助此描述，相似參考數字指定相似的結 構元件。實施例係經由例示方式且不受隨附圖式中的圖之限制的方式說明。
圖1概要地描繪根據本揭示發明的各種實施例之使用本揭示發明的可應用部分組態以促進機器型通信(「MTC」)使用者設備(「UE」)與合適無線單元的選擇性連接的各種網路實體。
圖2描畫根據各種實施例之可能實作在MTC UE及演進型節點B(「eNB」)之間的範例通信交換。
圖3描畫根據各種實施例之可能實作在MTC UE及eNB之間的另一範例通信交換。
圖4描畫根據各種實施例之可能藉由MTC UE實作的範例方法。
圖5描畫根據各種實施例之可能藉由eNB實作的範例方法。
圖6描畫根據各種實施例之可能藉由eNB實作的另一範例方法。
圖7概要地描畫根據各種實施例之可能將所揭示的方法及電腦可讀媒體實作於其上的範例計算裝置。
在以下詳細描述中，參考形成本文之一部分的隨附圖式，其中相似數字通篇指定相似部分，並將可能實踐的說明實施例顯示於其中。待理解可能使用其他實施例並可能產生結構或邏輯改變而不脫離本揭示發明的範 圍。因此，下文的詳細描述並不採用限制方式，且實施例的範圍係藉由隨附的申請專利範圍及其等效範圍界定。
可能以最能幫助理解所聲明之主題內容的方式將各種操作描述為多個離散行動或依次操作。然而，不應將描述的次序理解為暗示此等操作有必然的相關次序。特別係此等操作可能不以呈現的次序實施。所描述的操作可能以與所描述之實施例不同的次序實施。在額外實施例中可能實施各種額外操作及/或省略所描述的操作。
針對本揭示發明的目的，片語「A或B」及「A及/或B」的意義係(A)、(B)、或(A及B)。針對本揭示發明的目的，片語「A、B、及/或C」的意義係(A)、(B)、(C)、(A及B)、(A及C)、(B及C)或(A、B、及C)。
本描述可能使用片語「在一實施例中」或「在實施例中」，彼等各者可能指一或多個相同或不同實施例。再者，術語「包含」、「包括」、及「具有」等，如關於本揭示發明之實施例所使用的，係同義的。
如本文所使用的，術語「模組」及/或「邏輯」可能係指特定應用積體電路(「ASIC」)、電子電路、執行一或多個軟體或韌體程式的處理器(共享、專用、或成組)及/或記憶體(共享、專用、或成組)、組合邏輯電路、及/或提供所描述之功能的其他合適組件的一部分，或包括彼等。
將可能藉由機器型通訊(「MTC」)使用者 設備(「UE」)促進無線單元之選擇性連接的實體顯示在圖1中。雖然本文描述的範例重複地參考至UE及其他LTE-中心術語，此並不意謂著限制；本文描述的技術可能使用在其他無線網路中，諸如，GPS、EDGE、GPRS、CDMA、WiMAX、Ev-DO、及其他。
可能將MTC UE 100組態成偵測複數個無線單元102。在各種實施例中，各無線單元102可能藉由演進型節點B(「eNB」)提供。在各種實施例中，可能將MTC UE 100組態成偵測與該等複數個無線單元102之個別無線單元102關聯的eNB類別。本文使用的術語「eNB類別」可能指示藉由eNB提供或不藉由其提供的服務種類。例如，可能將部分eNB，例如，圖1中的第一eNB 104及第二eNB 106，組態成禁止MTC流量。eNB可能針對各式各樣的原因以此方式組態成，諸如，為被認為比MTC流量具有更高優先權的流量保留eNB帶寬。
可能將部分eNB，諸如，圖1中的第三eNB 108，設置成主要或僅管理MTC流量。此可能保留用於其他流量之「正常」eNBs，諸如，第一eNB 104及第二eNB 106，的資源。在各種實施例中，MTC-專用eNB可能係「低成本」eNB，例如，使用在具有大量MTC UE的工廠或其他環境中。當推出新MTC服務時，此可能降低資本開支(「CAPEX」)。在各種實施例中，MTC-專用eNB可能，例如，作為MTC節點ID的一部分，廣播其專用於MTC流量的指示。
可能將其他eNB，諸如，圖1中的第四eNB 110，組態成無條件地或在特定環境下支援「正常」(例如，非-MTC)流量，但也支援MTC流量(其範例將於本文中描述)。在本文中將此種eNB 110稱為「混合」eNB。在各種實施例中，混合eNB 110可能，例如，為MTC節點ID的一部分，廣播其在部分或所有環境下接受MTC流量的指示。
在各種實施例中，可能將eNB組態成廣播彼等的類別及彼等提供之可用於連接單元的其他資訊或另外使彼等可用。例如，在圖2中，將MTC-專用eNB 108顯示成廣播其類別(MTC-專用)。MTC UE 100可能接收此廣播類別，及由其他eNB廣播的類別(例如，未顯示於圖2中的104、106、110)。
在各種實施例中，在偵測該等複數個無線單元及彼等的類別時，可能將MTC UE 100組態成識別該等複數個經偵測無線單元102之在其上容許MTC流量的一或多個無線單元。在各種實施例中，此識別可能基於與各無線單元102關聯的經偵測eNB類別。在各種實施例中，可能將MTC UE 100組態成交叉比對該等一或多個經識別無線單元與容許MTC UE連接至其之MTC-專用eNB的列表。在各種實施例中，MTC-專用eNB的列表可能，例如，使用NSA發訊，從eNB得到。
在各種實施例中，可能，例如，藉由在各種位置的各種實體，維護容許MTC UE 100連接至其之 MTC-專用eNB的列表。在部分實施例中，該列表可能由MTC UE 100維護。該列表可能另外或替代地由網路實體維護並經由非存取層(「NAS」)發訊使其可用。在各種實施例中，該列表可能包含屬於特定公眾陸地行動網路(「PLMN」)識別的MTC-專用eNB。例如，該列表可能係封閉型用戶群組(「CSG」)白名單。MTC UE 100可能，例如，基於單元選擇準則，選擇也包括在此列表中之最合適的經偵測單元。
一旦MTC UE 100已將該等經偵測單元的已識別無線單元102匹配於該列表中的已容許MTC-專用單元，在各種實施例中，MTC UE 100可能，例如，基於單元選擇準則，選擇性地連接該等匹配無線單元102之一者。在圖2中顯示此範例。在各種實施例中，在成功連接後，可能將MTC UE組態成儲存連接資訊以便於未來的連接及無線單元選擇。
單元選擇準則可能可由，例如，MTC UE 100使用，以從複數個候選無線單元選擇，並可能以各種形式發生。在各種實施例中，單元選擇準則可能係一或多個經識別無線單元102的訊號強度。例如，MTC UE 100可能決定第三eNB 108具有比藉由其他MTC-專用eNB(未圖示)提供之單元更強的訊號，且可能在該基礎上選擇性連接藉由第三eNB 108提供的無線單元102。其他單元選擇準則可能包括，但未受限於，可用單元帶寬、重試計數器逾時次數、連接種類、回音返回時間、及可用eNB資源 等。
可能有沒有經識別MTC-專用eNB在該列表上或沒有MTC-專用eNB滿足一或多個單元選擇準則的情形。在此種情形中，MTC UE 100可能識別在其上容許MTC及非-MTC流量二者的一或多個無線單元102(例如，如藉由混合eNB 110提供的)。例如，在圖3中，混合eNB 110可能將決定在藉由混合eNB 110提供之無線單元102上容許或不容許MTC流量的環境的MTC方針，例如，獨立地或作為廣播的一部分提供至MTC UE 100。基於此方針及與其他混合eNB關聯的相似MTC方針，給定其目前的環境，MTC UE可能識別，如果有的話，此等混合eNB的何者會容許MTC UE 100連接。
在各種實施例中，MTC方針可能使用專用UE發訊(例如，NAS)藉由混合eNB 110提供。在各種實施例中，此MTC方針可能包括在描畫在圖2中的廣播eNB類別資訊中。也可能以其他方式將MTC方針提供至MTC UE。例如，在部分實施例中，可能使用開放行動通訊聯盟裝置管理(Open Mobile Alliance Device Management)(「OMA-DM」)協定以用一或多個MTC方針組態MTC UE 100。
MTC方針可能指示在藉由混合eNB 110提供的無線單元102上容許MTC流量的環境。例如，可能服務在或接近特定位置的MTC UE，例如，在地理圍欄內，然而可能不服務位於其他位置的MTC UE。作為另一範 例，可能服務特定種類的MTC UE，然而可能不服務另一種類的MTE UE。如圖3所示，MTC UE 100可能結合各種MTC UE屬性，諸如，其位置(例如，基於全球定位系統或「GPS」，座標)或種類使用此方針，以決定混合eNB 110是否在無線單元102上容許MTC流量至MTC UE 100/來自其。然後，MTC UE 100可能基於單元選擇準則選擇並連接特定eNB。
UE可能經歷其不能傳輸或接收通信的停機時間。在部分情形中，此種UE可能轉變至「閒置」模式，例如，以保留電力及/或計算或網路資源。然而，UE可能在閒置模式中的同時四處移動。為維持充份的無線連接，閒置的「正常」UE(例如，行動電話)可能，例如，依據第三代合作夥伴計劃(「3GPP」)技術規格(「TS」)36.304，在服務其的無線單元最終不再係最佳選擇的情形中，週期性地搜尋其可能連接的「容許單元」。例如，閒置UE可能使用識別容許UE連接至其之單元的CSG白名單(例如，藉由特定無線載波提供或屬於特定PLMN身份的單元)。
相似於「正常」的UE，閒置MTC UE可能週期性地搜尋支援或藉由MTC-專用eNBs提供的容許單元。若發現多於一個藉由MTC-專用eNB提供的容許單元，UE可能藉由單元選擇準則將該等單元分等。若沒有發現藉由MTC-專用eNBs提供的單元(或滿足單元選擇準則)，則閒置UE可能轉變為其更廣泛地搜尋藉由容許 MTC流量及其他流量的混合eNB提供的(例如，CSG的)容許單元的「駐留在任何單元中」狀態。
例如，在各種實施例中，當在無線電資源控制(「RRC」)閒置模式中的同時，可能將MTC UE 100組態成週期性地偵測其他複數個無線單元102，例如，彼等可能與當MTC UE 100最後連接無線單元102時所偵測的複數個無線單元102不同。與當最初連接無線單元102時相似地，可能將MTC UE 100組態成偵測與該等其他複數個無線單元之個別無線單元關聯的eNB類別，並基於該等關聯eNB類別識別該等其他複數個經偵測無線單元之在其上容許MTC流量的一或多個無線單元。在各種實施例中，可能將MTC UE 100組態成基於單元選擇準則選擇性啟始從該MTC UE已連接至其的無線單元102至該等一或多個已識別無線單元之另一無線單元102的交遞。
現在參考圖4，描畫依據各種實施例之可能藉由MTC UE，諸如，圖1中的MTC UE 100，實作的範例方法400。在區塊402中，MTC UE可能偵測各者係藉由eNB(例如，圖1中的104-110)提供的複數個無線單元(例如，圖1中的102)。在區塊404，MTC UE可能偵測與複數個無線單元之個別無線單元關聯的eNB類別。
在區塊406，MTC UE可能，例如，基於關聯eNB類別，識別該等複數個經偵測無線單元之在其上容許MTC流量的一或多個無線單元。在區塊408，MTC UE可能交叉比對該等一或多個經識別無線單元與容許MTC UE 連接至其之MTC-專用eNB的列表(例如，儲存在MTC UE 100的記憶體中或維持在NAS上的CSG)。若在區塊408發現一或多個匹配無線單元，則在區塊410，MTC UE可能基於單元選擇準則選擇性地連接最合適匹配之藉由MTC-專用eNB提供的無線單元。
然而，若在區塊408未在該列表上發現匹配的無線單元，則在區塊412，MTC UE可能，例如，基於單元選擇準則選擇性連接藉由容許MTC及非-MTC流量二者之混合eNB(例如，圖1中的110)提供的無線單元。在各種實施例中，此選擇性連接可能基於識別該混合eNB將容許MTC流量的環境之混合eNB的MTC方針。如上文提及的，混合eNB可能以各種方式使MTC方針可用，諸如，經由NAS發訊(在部分情形中，使用eNB類別)。
現在參考圖5，描繪依據各種實施例之可能藉由eNB(例如，104-110)實作的範例方法500。方法500的各種操作可能依據實作方法500的eNB是否係MTC-專用eNB(例如，108)、混合eNB(例如，110)、或不容許MTC流量的eNB(例如，104、106)而加入或省略。
在區塊502，eNB可能提供無線單元，諸如，描畫於圖1中的無線單元102之一者。在區塊504，eNB可能將通常指示是否在藉由eNB提供的無線單元上容許MTC流量的MTC類別提供至，諸如，MTC UE 100(其可能已偵測藉由eNB提供的無線單元102)。若該eNB係 禁止MTC流量之MTC類別的成員(例如，104、106)，則MTC UE 100可能不更與該eNB通信，且方法500可能結束。若該eNB係MTC-專用eNB(例如，108)，則MTC UE 100可能基於MTC UE 500的單元選擇準則連接藉由eNB提供的無線單元，或藉由另一MTC-專用eNB提供的另一無線單元。
若該eNB係混合eNB(例如，110)，在區塊506，eNB可能將識別eNB將容許MTC流量之環境的MTC方針提供至，諸如，MTC UE 100。如上文提及的，MTC方針可能指示eNB將服務位於或接近特定位置的MTC UE，例如，在地理圍欄內，或其將服務特定種類的MTC UE。在各種實施例中，可能使用NAS發訊將MTC類別及/或MTC方針提供至MTC UE 100。在區塊508，該eNB可能基於MTC方針選擇性地服務MTC UE 100。
在各種實施例中，在區塊510，可能將該eNB組態成決定該eNB所連接之網路的部分過載。例如，該eNB可能，例如，憑藉其流量密度超過預定臨界，決定其無線單元為網路流量所過載。在此種情形中，在區塊512，可能將該eNB組態成，例如，使用具有特定RRC釋放指示器的RRC連接釋放訊息釋放一或多個MTC UE。在各種實施例中，RRC釋放指示器可能導致一或多個MTC UE轉變至將MTC UE從網路分斷而不重登錄的狀態。在各種實施例中，RRC釋放指示器可能導致一或多個MTC UE轉變為閒置模式。在各種實施例中，RRC釋放指 示器可能將MTC UE重導向至另一eNB。
在各種實施例中，網路中之eNBs以外的其他組件可能專用於MTC通信，例如，以包含MTC流量並保留用於非-MTC流量之非-MTC組件的網路資源。可能以MTC-專用形式發生的一範例實體係行動管理實體(mobility management entity)(「MME」)。
例如，在圖1中，有未特別專用於MTC流量的二個「正常」MME 112及一個MTC-專用MME 114。可能將MTC-專用eNB 108及混合eNB 110組態成選擇當可能時使用的MTC-專用MME 114，但在必要時，也可能使用非-MTC專用MME 112(例如，若MTC-專用MME 114關機或過載)。在各種實施例中，與MTC-專用eNB 108相似，MTC-專用MME 114可能係「低成本」MME，例如，設定在具有大量MTC UE的工廠或其他環境中。當推出新MTC服務時，此可能更降低CAPEX。應理解顯示於圖1中的MME及eNB的組態係用於說明，並預期MME及eNB的任何其他組態或配置。
圖6描繪可能藉由各種eNB，諸如，MTC-專用eNB 108及混合eNB 110，實作以使用MTC-專用MME的範例方法600。在區塊602，eNB可能偵測複數個行動管理實體(「MME」)。在區塊604，eNB可能偵測與該等複數個MME之個別MME關聯的MME類別。例如，MME可能經由S1介面提供彼等的個別MME類別。
在區塊606，eNB可能基於關聯MME類別識 別該等複數個經偵測MME之專用於MTC流量的一或多個MME。例如，圖1中的混合eNB 110可能識別MTC-專用MME 114。在區塊608，eNB可能基於MME選擇準則選擇在區塊606識別之該等一或多個MME的一MME。若在區塊606僅識別一個MTC-MME，則eNB可能簡單地使用該MME。
圖7描繪根據各種實施例的範例計算裝置700。可能將描述本文中的MTC UE 100或任何eNB(例如，104-110)實作在計算裝置上，諸如，計算裝置700。計算裝置700可能包括許多組件，一或多個處理器(等)704、及至少一個通信晶片706。在各種實施例中，該等一或多個處理器(等)704各者可能係處理器核心。在各種實施例中，也可能將該至少一個通信晶片706實體地或電性地耦接至該等一或多個處理器704。在其他實作中，通信晶片706可能係該等一或多個處理器704的一部分。在各種實施例中，計算裝置700可能包括印刷電路板(「PCB」)702。針對此等實施例，可能將該等一或多個處理器704及通信晶片706設置於其上。在其他實施例中，可能耦接各種組件而不使用PCB 702。
取決於其應用，計算裝置700可能包括可能或可能不實體地及電性地耦合至PCB 702的其他組件。此等其他組件包括，但未受限於，揮發性記憶體(例如，動態隨機存取記憶體708，也稱為「DRAM」)、非揮發性記憶體(例如，唯讀記憶體710，也稱為「ROM」)、快 閃記憶體712、輸入/輸出控制器714、數位訊號處理器(未圖示)、加密處理器(未圖示)、圖形處理器716、一或多個天線718、顯示器(未圖示)、觸控螢幕顯示720、觸控螢幕控制器722、電池724、音頻編碼解碼器(未圖示)、視訊編碼解碼器(未圖示)、全球定位系統(「GPS」)裝置728、羅盤730、加速度計(未圖示)、迴轉儀(未圖示)、揚聲器732、照相機734、一或多個其他感測器736(例如，晴雨表、蓋氏計數器、溫度計、黏度計、流變儀、高度表、或可能在各種製造環境中發現或使用在其他應用中的其他感測器)、或多個大量儲存裝置(諸如，硬碟驅動器、固態硬碟、光碟(「CD」)、數位多樣化光碟(「DVD」))(未圖示)等。在各種實施例中，可能將處理器704與其他組件積體在相同晶粒上以形成系統單晶片(「SoC」)。
在各種實施例中，揮發性記憶體(例如，DRAM 708)、非揮發性記憶體(例如，ROM 710)、快閃記憶體712、及大量儲存裝置可能包括組態成依據使用何計算裝置700實作，響應於藉由一或多個處理器704的執行，致能計算裝置700實踐描畫於圖2及3中之資料交換的所有或經選擇實施樣態或方法400、500、或600的程式化指令。更具體地說，一或多個記憶體組件，諸如，揮發性記憶體(例如，DRAM 708)、非揮發性記憶體(例如，ROM 710)、快閃記憶體712、及大量儲存裝置可能包括指令的暫時及/或持久複製，當該等指令藉由一 或多個處理器704執行時，依據使用何計算裝置700實作，致能計算裝置700操作組態成實踐描畫於圖2或3中之資料交換的所有或經選擇實施樣態或方法400、500、或600的一或多個模組738。
通信晶片706可能致能用於將資料傳輸至計算裝置700或自其傳輸資料的有線及/或無線通訊。術語「無線」及其衍生術語可能用於描述可能透過非實質媒體經由使用調變電磁輻射通訊資料的電路、裝置、系統、方法、技術、通信通道等。該術語未暗示該等關聯裝置不包含任何線路，雖然在部分實施例中彼等可能不含。通信晶片706可能實作許多無線標準或協定的任一者，包括但未受限於IEEE 702.20、通用封包無線電服務(「GPRS」)、演進資料最佳化(「Ev-DO」)、演進高速封裝存取(「HSPA+」)、演進高速下行封包存取(「HSDPA+」)、演進高速上行封包存取(「HSUPA+」)、全球行動通訊系統(「GSM」)、GSM增強數據率演進(「EDGE」)、分碼多重存取(「CDMA」)、分時多重存取(「TDMA」)、數位增強無線電信(「DECT」)、藍牙、彼等的衍生、以及指定為3G、4G、5G、及之後的任何其他無線協定。計算裝置700可能包括複數個通信晶片706。例如，第一通信晶片706可能專用於較短範圍的無線通訊，諸如，Wi-Fi及藍牙，且第二通信晶片706可能專用於較長範圍的無線通訊，諸如，GPS、EDGE、GPRS、CDMA、WiMAX、 LTE、Ev-DO、及其他。
在各種實作中，計算裝置700可能係膝上型電腦、易網機、筆記型電腦、超輕薄筆記型電腦、智慧型手機、計算平板電腦、個人數位助理(「PDA」)、超級行動PC、行動電話、桌上型電腦、伺服器、印表機、掃描器、監視器、機上盒、娛樂控制單元(例如，遊戲主控台)、數位相機、可攜式音樂播放器、或數位視訊錄影機。在其他實作中，計算裝置700可能係處理資料的任何其他電子裝置。
本文描述用於藉由MTC UE之無線單元的選擇性連接的設備、封裝、電腦實作方法、系統、裝置、及電腦可讀媒體(暫時及非暫時的)的實施例。在各種實施例中，可能偵測各者藉由eNB提供的複數個無線單元。在各種實施例中，可能偵測與該等複數個無線單元的個別無線單元關聯的eNB類別。在各種實施例中，可能基於該等關聯eNB類別識別該等複數個已偵測無線單元之在其上容許MTC流量的一或多個無線單元。在各種實施例中，該MTC UE可能基於單元選擇準則選擇性地連接該等一或多個已識別無線單元的一無線單元。
在各種實施例中，MTC UE可能，例如，在偵測網路過載時從eNB得到指令，以從連接模式轉變至閒置或分斷模式，並釋放至eNB的連接並經由另一eNB重導向後續通信。
在各種實施例中，可能交叉比對容許MTC UE 連接至其之MTC-專用eNB的列表與經識別無線單元。在各種實施例中，MTC UE可能更基於該交叉比對的結果選擇性地連接無線單元。在各種實施例中，MTC-專用eNB的列表可能從eNB及/或使用NSA發訊得到。
在各種實施例中，可能產生該列表上沒有MTC-專用eNB能服務MTC UE的決定。在各種實施例中，可能，例如，基於識別該eNB將容許MTC流量的情況之該eNB的MTC方針識別服務MTC及非MTC-流量二者的eNB。在各種實施例中，MTC方針可能藉由eNB提供或使用OMA-DM組態組態在MTC UE上。在各種實施例中，包括在MTC方針中的環境可能包括MTC UE正在或接近預定位置、在地理圍欄內、或係特定種類的MTC UE。
在各種實施例中，單元選擇準則可能包括一或多個經識別無線單元的訊號強度或重試計數器的過期逾時。在各種實施例中，MTC UE可能從連接模式轉變為閒置模式。在各種實施例中，當在閒置模式中的同時，MTC UE可能週期性地偵測各者藉由eNB提供的其他複數個無線單元。在各種實施例中，可能偵測與該等其他複數個無線單元的個別無線單元關聯的eNB類別。在各種實施例中，可能基於該等關聯eNB類別識別該等其他複數個已偵測無線單元之在其上容許MTC流量的一或多個無線單元。在各種實施例中，可能基於該單元選擇準則選擇性地啟始從該MTC UE先前選擇性地連接至其的該無線單元至 該等其他複數個經偵測無線單元的該等一或多個已識別無線單元之另一無線單元的交遞。
在各種實施例中，可能將eNB組態成提供無線單元。在各種實施例中，可能將eNB組態成將識別該eNB將容許MTC流量之環境的MTC方針提供至偵測無線單元的MTC UE。在各種實施例中，可能將該eNB組態成基於該MTC方針選擇性地服務該MTC UE。在各種實施例中，可能將eNB組態成使用專用UE發訊將MTC方針提供至MTC UE。
在各種實施例中，可能將eNB組態成響應於該eNB所連接之網路的部分過載的決定，釋放MTC UE。在各種實施例中，該釋放可能包括將MTC UE轉變為閒置或分斷模式，及/或重導向至新eNB。在各種實施例中，該網路的該部分可能係藉由eNB提供的無線單元。
在各種實施例中，可能將eNB組態成偵測複數個MME。在各種實施例中，可能將eNB組態成偵測與該等複數個MME之個別MME關聯的MME類別。在各種實施例中，可能將eNB組態成基於關聯MME類別識別該等複數個經偵測MME之專用於MTC流量的一或多個MME。在各種實施例中，可能將eNB組態成基於MME選擇準則選擇該等一或多個經識別MME的一MME。在各種實施例中，MME類別可能透過一或多個S1介面偵測。
雖然特定實施例已針對描述的目的於本文說明及描述，此申請案企圖涵蓋本文討論之實施例的任何調 適或變化。因此，顯然企圖使本文描述的實施例僅受申請專利範圍限制。
當本揭示發明敘述「一」或「第一」元件或其等效元件時，此種揭示包括一或多個此種元件，既不需要也不排除二或多個此種元件。另外，使用用於識別元件的有序指示器(例如，第一、第二、或第三)以區分該等元件，除非另外具體陳述，並不指示或暗示此種元件的必要數量或有限數量，也不指示或暗示彼等指示此種元件的特定位置或次序。
100‧‧‧MTC UE
102‧‧‧無線單元
104‧‧‧第一eNB
106‧‧‧第二eNB
108‧‧‧第三eNB
110‧‧‧第四eNB
112‧‧‧MME
114‧‧‧MTC-專用MME

Claims (25)

  1. 一種機器型通信(「MTC」)使用者設備(「UE」)，包含處理電路以：偵測複數個無線單元，各者藉由演進型節點B(「eNB」)提供；偵測與該等複數個無線單元的個別無線單元關聯的eNB類別；基於該等關聯eNB類別，識別在其上容許MTC流量之該等複數個已偵測無線單元的一或多個無線單元；且基於單元選擇準則選擇性地連接該等一或多個已識別無線單元的一無線單元。
  2. 如申請專利範圍第1項的MTC UE，其中該處理電路更：交叉檢查容許該MTC UE依靠該等已識別無線單元連接至其之MTC-專用eNB的列表；且更基於該交叉檢查的結果選擇性地連接該無線單元。
  3. 如申請專利範圍第2項的MTC UE，其中該處理電路更從eNB得到該MTC-專用eNB的列表。
  4. 如申請專利範圍第2項的MTC UE，其中該處理電路更使用非存取層(non-access stratum)(「NAS」)發訊得到該MTC-專用eNB的列表。
  5. 如申請專利範圍第2項的MTC UE，其中該處理電路更：決定該列表上的該等MTC-專用eNB均不能服務該 MTC UE；且識別服務MTC及非MTC-流量二者的eNB，其係基於識別該eNB將容許MTC流量的情況之該eNB的MTC方針。
  6. 如申請專利範圍第5項的MTC UE，其中該MTC方針係藉由eNB提供或使用開放行動通訊聯盟裝置管理(Open Mobile Alliance Device Management)(「OMA-DM」)組態組態在該MTC UE上。
  7. 如申請專利範圍第5項的MTC UE，其中該情況包含該MTC UE正在或接近在地理圍欄內的預定位置或係特定種類的MTC UE。
  8. 如申請專利範圍第1項的MTC UE，其中該單元選擇準則包含該等一或多個已識別無線單元的訊號強度或重試計數器的逾期。
  9. 如申請專利範圍第1項的MTC UE，其中該處理電路更：將該MTC UE從連接模式轉變為閒置模式，且在閒置模式中的同時：期間性地偵測其他複數個無線單元，各者藉由eNB提供；偵測與該等其他複數個無線單元的個別無線單元關聯的eNB類別；基於該等關聯eNB類別，識別在其上容許MTC流量之該等其他複數個已偵測無線單元的一或多個無線單元； 且基於該單元選擇準則選擇性地啟始從該MTC UE先前選擇性地連接至其的該無線單元至該等其他複數個已偵測無線單元的該等一或多個已識別無線單元之另一無線單元的交遞。
  10. 如申請專利範圍第1項的MTC UE，其中該處理電路更組態成在偵測到網路過載時從該eNB得到指令，以從連接模式轉變為閒置模式或將連接釋放給該eNB並經由另一eNB重導向後續通信。
  11. 一種演進型節點B(「eNB」)，包含處理電路以：提供無線單元；將識別該eNB將容許MTC流量之情況的MTC方針提供至偵測該無線單元的機器型通信(「MTC」)使用者設備(「UE」)；且基於該MTC方針選擇性地服務該MTC UE。
  12. 如申請專利範圍第11項的eNB，其中該處理電路更使用非存取層(「NAS」)發訊及/或無線電資源控制(radio resource control)(「RRC」)發訊將該MTC方針提供至該MTC UE。
  13. 如申請專利範圍第11項的eNB，其中該處理電路更回應於該eNB所連接之網路的部分過載的決定釋放該MTC UE，其中該MTC UE的釋放包含將該MTC UE轉變成閒置或切斷模式，或重導向至新eNB。
  14. 如申請專利範圍第13項的eNB，其中該網路的該部分係由該eNB提供的該無線單元。
  15. 如申請專利範圍第11項的eNB，其中該情況包含該MTC UE正在或接近預定位置。
  16. 如申請專利範圍第11項的eNB，其中該情況包含該MTC UE正在地理圍欄內。
  17. 如申請專利範圍第11項的eNB，其中該情況包含該MTC UE係特定種類的MTC UE。
  18. 如申請專利範圍第11項的eNB，其中更組態該處理電路以：偵測複數個行動管理實體(mobility management entity)(「MME」)；偵測與該等複數個MME之個別MME關聯的MME類別；基於該等關聯MME類別，識別專用於MTC流量之該等複數個已偵測MME的一或多個MME；且基於MME選擇準則選擇該等一或多個已識別MME的一MME。
  19. 如申請專利範圍第18項的eNB，其中該等MME類別係透過一或多個S1介面偵測。
  20. 一種電腦可讀媒體，包含指令，該等指令回應於藉由機器型通信(「MTC」)使用者設備(「UE」)的執行，致能該MTC UE：識別與提供複數個無線單元的個別無線單元之eNB 關聯的演進型節點B(「eNB」)類別；基於該等已識別MTC類別及包括提供該經選擇無線單元之該eNB的相對訊號強度或重試計數器的逾期之一或多者的單元選擇準則，從該等複數個無線單元選擇供該MTC UE連接的無線單元，以傳輸或接收MTC流量。
  21. 如申請專利範圍第20項的電腦可讀媒體，其中該選擇更基於從該經選擇eNB得到的MTC方針，其中該MTC方針識別該eNB將容許MTC流量的情況。
  22. 如申請專利範圍第21項的電腦可讀媒體，其中該情況包含該MTC UE正在或接近特定位置。
  23. 如申請專利範圍第21項的電腦可讀媒體，其中該情況包含該MTC UE正在地理圍欄內。
  24. 如申請專利範圍第21項的電腦可讀媒體，其中該情況包含該MTC UE係特定種類的UE。
  25. 如申請專利範圍第21項的電腦可讀媒體，其中該等MTC類別或該MTC方針係使用非存取層(「NAS」)發訊得到。
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