TWI575898B - 用於長期演進之虛擬載波感測機制 - Google Patents
用於長期演進之虛擬載波感測機制 Download PDFInfo
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- TWI575898B TWI575898B TW103112289A TW103112289A TWI575898B TW I575898 B TWI575898 B TW I575898B TW 103112289 A TW103112289 A TW 103112289A TW 103112289 A TW103112289 A TW 103112289A TW I575898 B TWI575898 B TW I575898B
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- Environmental & Geological Engineering (AREA)
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- Mobile Radio Communication Systems (AREA)
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Computer And Data Communications (AREA)
Description
本發明係關於一種用於長期演進之虛擬載波感測機制。
在工作於10GHz以下,且特別地,LTE(長期演進)之行動通訊系統中,主要的性能限制因子係干擾。於下行鏈路中,干擾起因於鄰近基地台(BS)/演進節點B(eNB)之傳輸。為了要降低下行鏈路中之干擾,目前的途徑在於使若干訊胞中之eNB的傳輸協調,以致使該等訊胞不影響到鄰近訊胞中之使用者的接收,或至少在鄰近訊胞中之使用者的接收上具有較少的衝擊。
LTE提供種種機制用於CoMP(協調的多重點)規格中之該協調。然而,此類型之協調使用回載鏈路於協調的eNB之間。例如,若連接不在時、若回載鏈路延遲存在問題時、或若回載鏈路具有不足的傳送量性能時,則使用回程連接性於協調的eNB間之目前的干擾協調機制將失效。在該等情況中,CoMP途徑將失效。由於很多小的訊
胞eNB(SC-eNB)以及業者無法提供預定的回程連接性於該等者之間,所以在具有小的訊胞之部署中,干擾問題具有甚至更大的衝擊。
100‧‧‧無線網路
110,310,410‧‧‧eNB 1(演進節點B 1)
120,320,420‧‧‧eNB 2
112,312,412‧‧‧UE 1(使用者裝備1)
122,322,422‧‧‧UE 2
114,124‧‧‧干擾
130‧‧‧回載鏈路
140‧‧‧無線電網路控制器(RNC)
200‧‧‧流程圖
210-280‧‧‧步驟
300,400‧‧‧信息流程圖
340,440‧‧‧eNB 1/UE 1傳輸
350,450‧‧‧eNB 2/UE 2傳輸
360,460‧‧‧演進封包核心(EPC)
370,470‧‧‧網際網路協定(IP)網路
480‧‧‧確認
500‧‧‧演進節點B(eNB)
510‧‧‧無線電發射器
512‧‧‧接收器
514‧‧‧天線系統
516‧‧‧控制部
518‧‧‧記憶體
520‧‧‧電源供應器
530‧‧‧控制器
580,622‧‧‧機器可讀取媒體
582,624‧‧‧指令
600‧‧‧機器
602‧‧‧硬體處理器
604‧‧‧主記憶體
606‧‧‧靜態記憶體
608‧‧‧內部鏈路
610‧‧‧顯示單元
612‧‧‧字符輸入裝置
614‧‧‧使用者介面(UI)導航裝置
616‧‧‧儲存裝置
618‧‧‧信號產生裝置
620‧‧‧網路介面裝置
621‧‧‧感測器
626‧‧‧通訊網路
第1圖描繪依據實施例之無線網路;第2圖描繪依據實施例之用以提供用於LTE之虛擬載波感測的方法之流程圖;第3圖係信息流程圖,用以描繪依據實施例之用以根據用於LTE之虛擬載波感測而提供通知的方法;第4圖係信息流程圖,用以描繪依據實施例之用以對根據用於LTE之虛擬載波感測的通知提供確認的方法;第5圖描繪依據實施例之演進節點B(eNB);以及第6圖描繪依據實施例之用以提供用於LTE之虛擬載波感測機制的實例機器之方塊圖。
以下說明及圖式充分描繪特定的實施例,以使熟習本項技藝之該等人士能實施它們。其他實施例可結合結構性的、邏輯性的、電性的、處理的、及其他的改變。某些實施例的一部分及特性可包含於其他實施例的該等者之中,或取代其他實施例的該等者。在申請專利範圍中所陳明的實施例包含該等申請專利範圍之可用的等效範圍。
依據實施例,機制係提供以當具有不良的連接性於
eNB之間時,協調來自鄰近eNB的干擾。與使用於WiFi中之虛擬載波感測相似地,潛在的下行鏈路傳輸係在鄰近訊胞之中偵測。依據實施例之干擾減輕可以以協調不具有回載鏈路的eNB予以實施。因此,依據實施例之干擾減輕係更強健,且甚至提供系統性能增進於簡單的部署。
在Wi-Fi®網路中,無線電訊框碰撞可當自若干台至相同或不同的台之同時傳輸彼此互相干擾而變成不可能解碼時發生。為了要降低Wi-Fi®網路中之無線電訊框碰撞的數目,短控制訊框的交換係在傳送具有資料有效負載的大訊框之前使用。該等者係請求傳送(RTS)及清除傳送(CTS)訊框,其係由所打算之傳輸的啟始者及接收者所分別傳送。該等訊框之各者包含該傳輸將占有之時間間隔的指示。因而,在啟始者及接收者四周的台注意到所打算之傳輸且保持安靜於所指示之週期,而允許通訊被成功地傳送。
第1圖描繪依據實施例之無線網路100。在第1圖中,演算節點B1,亦即,eNB1 110係主訊胞,以及eNB2 120係干擾訊胞。UE2 122經歷來自eNB1 110的干擾114,以及UE1 112經歷來自eNB2 120的干擾124。由於很多小的訊胞eNB(SC-eNB),所以在具有小的訊胞的網路中,干擾問題甚至係更大的問題。熟習本項技藝之該等人士將認知的是,eNB之用語可被使用以表示基地傳收機台(BTS)、演進節點B(eNB)、小訊胞演進節點B(SC-eNB)、等等。基地傳收機台(BTS)亦可表示無
線電基地台(RBS)、節點B(在第三代(3G)網路中)、或基地台(BS)。然而,為了要提供清晰性,在此將使用eNB。LTE使用回載鏈路130於協調的eNB 110,120之間,以使用CoMP(協調的多重點)規格而在eNB 110,120之間提供協調。該等eNB 110,120可在回載鏈路130上被連接至無線電網路控制器(RNC)140。然而,熟習本項技藝之該等人士將認知的是,該等eNB,亦即,eNB1 110及eNB2 120可包含控制器,且因而,RNC 140可不被提供。若連接不在時,若與回載鏈路130相關聯的延遲存在問題時,或若回載鏈路130具有不足的輸送量性能,則在協調的eNB 110,120間之藉由回載鏈路130而予以提供的連接性會失效。在該等情況中,CoMP途徑將失效。由於使用很多小的訊胞eNB(SC-eNB)以及業者無法提供預定的回程連接性於該等者之間,所以在具有小的訊胞之部署中,該等干擾114、124具有甚至更大的衝擊。
第2圖描繪依據實施例之用以提供用於LTE之虛擬載波感測的方法之流程圖200。例如,在LTE中,致能下行鏈路干擾協調包含干擾的eNB2要注意到在由eNB1所提供之訊胞的主訊胞中之自eNB1至UE1的潛在下行鏈路傳輸。為達成此,eNB1在下行鏈路之中傳送隨後DL傳輸的通知至UE1(210)。該通知包含多少子訊框將由隨後傳輸所使用以及實體資源區塊(PRB)的那些頻率資源將被使用之資訊。該通知可在下行鏈路控制資訊(DCI)
欄中被傳送,以便使UE1能在例如,直至4個子訊框內,快速地處理該通知。eNB2無法聽到此通知,因為eNB2亦係在相同的時間-頻率資源之中傳送。在上行鏈路中,UE1傳送所接收到之DL通知的確認(220)。在此確認中,UE1包含eNB1計劃要在傳送資料至UE1時使用之DL訊框資源的資訊。
因為UE1在上行鏈路資源中傳送其之確認,所以eNB2可旁聽到該確認、解碼它、且提取eNB1正在計劃要使用之DL資源的資訊(230)。eNB2是否已在所指示之DL資源中傳送的決定被做成(240)。若否定時(242),則eNB2標示所指示之DL資源為忙碌,且避免在該等資源之中傳送(250)。若肯定時(244),則做成eNB2是否將獨自占有該等資源以傳送資料至UE2的決定(260)。若否定時(262),則eNB2不重排程傳輸至選擇性的資源(270)。若肯定時(264),則eNB2使用選擇性的資源以重排程傳輸,使得在eNB1至UE1傳輸之中的干擾被避免(280)。
第3圖係描繪依據實施例之用以根據用於LTE之虛擬載波感測而提供通知的方法之信息流程圖300。在第3圖中,顯示兩個eNB:eNB1 310及eNB2 320。該eNB1 310及eNB2 320可依據第三代合作伙伴計劃(3GPP)LTE/LTE-A(長期演進/長期演進-升級版)或其他合適的無線寬域網路(WWAN)協定而操作,且可包含用以提供與演進封包核心(EPC)360一起操作的無線電網路通訊
之組態,以供對網際網路協定(IP)網路370的資料通訊之用。該eNB1 310及eNB2 320二者計劃要傳送至其個別的UE,UE1 312及UE2 322,且依據其計劃,傳輸將在頻率中重疊。eNB1 310傳送通知330至UE1 312。潛在之eNB1/UE1傳輸340係顯示與計劃之eNB2/UE2傳輸350重疊。
第4圖係描繪依據實施例之用以對根據用於LTE之虛擬載波感測的通知提供確認之方法的信息流程圖400。在第4圖中,UE1 412傳送確認460至eNB1 410。eNB1 410及eNB2 420可再提供與演進封包核心(EPC)460一起操作的無線網路通訊,以供對網際網路協定(IP)網路470的資料通訊之用。然而,eNB2 420聽到由UE1 412所傳送之確認480。因而,eNB2 420可對UE2 422重排程其計劃的傳輸。重排程的eNB2/UE2傳輸450並不會與潛在的eNB1/UE1傳輸440重疊。
第5圖描繪依據實施例之演進節點B(eNB)500。eNB 500包含至少一無線電發射器510、接收器512、天線系統514、控制部516、記憶體518、及電源供應器520。eNB 500的控制部516可包含控制器530。該控制器可被配置以提供資源管理及邏輯控制功能,用以允許eNB彼此互相直接地通訊。
eNB 500之控制器530亦可提供以下功能,包含:無線電資源管理(RRM),無線電承載控制,無線電權限控制(存取控制),連線移動管理,UE與eNB無線電之間
的資源排程,排程及傳送信息(來電呼叫及連線請求),廣播資訊協調(系統資訊),以及測量報告(為協助換手決定)。控制器530係進一步配置以傳送PDSCH資料及DM-RS至UE。一旦接收到來自該UE之CQI回授,控制器530係配置以施加及/或調整MCS且包含所施加及/或所調整之MCS至下一個PDSCH。
在選擇性的實施例中,eNB 500可操作作成為獨立型裝置,或可被連線(例如,被聯網)至其他機器。控制器530能執行指令(順序的或除此之外的),而指明將由eNB 500所採取之動作。進一步地,雖然係描繪單一之控制器530,但〝控制器〞之用語亦應被視為包含任何聚集之機器,其各自地或結合地執行一組(或多組)指令以執行在此所討論之方法的任一者或多者。在實例中,一或多個電腦系統(例如,獨立型、客戶、或伺服器電腦系統)或一或多個控制器530的至少一部分可藉由韌體或軟體(例如,指令、應用部分、或應用)而予以組構成為可操作以執行特定操作之模組。在實例中,軟體可位於至少一機器可讀取媒體上。在實例中,當藉由模組之潛在的硬體而予以執行時,軟體將致使該硬體執行特定的操作。
至少一機器可讀取媒體580可被使用以儲存一或多組資料結構或指令582(例如,軟體),而實施此處所敘述之該等技術或功能的任一或多者,或由該等技術或功能的任一者或多者所使用。該等指令582亦可至少部分地位於諸如記憶體518之附加的機器可讀取記憶體上,或於藉由
eNB 500之其執行期間的控制器530之內。在實例中,控制器530、記憶體518、等等的其中一者或任何組合可構成機器可讀取媒體。雖然機器可讀取媒體580係藉繪為單一的媒體,但〝機器可讀取媒體〞之用語可包含被組構以儲存一或多個指令582之單一媒體或多重媒體(例如,集中型或分佈型資料庫、及/或相關聯的快取及伺服器)。
〝機器可讀取媒體〞之用語可包含任何媒體,其能儲存、編碼、或裝載指令以供藉由eNB 500的執行之用且該等指令可致使eNB 500執行本發明之該等技術的任一者或多者,或其能儲存、編碼、或裝載由該等指令所使用的或與該等指令相關聯的資料結構。非限制之機器可讀取媒體實例可包含固態記憶體,以及光學及磁性媒體。機器可讀取媒體的特定實例可包含:非揮發性記憶體,諸如半導體記憶體裝置(例如,可電性編程唯讀記憶體(EPROM)、可電性拭抹除可編程唯讀記憶體(EEPROM))及快閃記憶體裝置;磁碟,諸如內部硬碟及可卸取式磁片;磁光碟;以及CD-ROM及DVD-ROM碟片。使用若干轉移協定的任一者(例如,訊框中繼、網際網路協定(IP)、傳輸控制協定(TCP)、使用者資料包協定(UDP)、超文件傳送協定(HTTP)、等等)可透過匯流排552進一步收送指令582。
第6圖描繪依據實施例之用以提供用於LTE之虛擬載波感測機制的實例機器600之方塊圖,其中在本文所討論之該等技術(例如,方法論)的任一者或多者可在其上
執行。在選擇性的實施例中,機器600可操作成為獨立型裝置,或可被連線(例如,被聯網)至其他機器。在聯網的部署中,機器600可以伺服器-客戶網路環境中之伺服器機器及/或客戶機器的身份操作。在實例中,機器600可扮演對等(P2P)(或其他分佈式)網路環境中之同位機的角色。機器600可係個人電腦(PC)、平板PC、機上盒(STB)、個人數位助理(PDA)、行動電腦、網站設備、網路路由器、開關或橋接器、或能執行指令(順序的或除此之外的)而指明將由該機器所採取之動作的任何機器。進一步地,雖然係描繪單一的機器,但〝機器〞之用語亦應被視為包含任何聚集的機器,其各自地或結合地執行一組(或多組)指令以執行在此所討論之方法的任一者或多者,諸如雲端計算、軟體即服務(Saas)、其他電腦群組態。
如在此所敘述之實例可包含邏輯、或若干組件、模組、或機制,或可操作於該等者之上。模組係能執行指定操作之有形實體(例如,硬體),且可以以一定方式予以組構或配置。在實例中,電路可以以特定方式被配置(例如,內部地或相對於諸如其他電路之外部實體)成為模組。在實例中,一或多個電腦系統(例如,獨立型、客戶、或伺服器電腦系統)或一或多個硬體處理器602的至少一部分可藉由韌體或軟體(例如,指令、應用部分、或應用)而予以組構成為可操作以執行特定操作之模組。在實例中,軟體可位於至少一機器可讀取媒體上。在實例
中,當藉由模組之潛在的硬體而予以執行時,軟體將致使該硬體執行特定的操作。
因而,〝模組〞之用語應被理解為包含有形的實體,亦即,被實體建構、特定組構(例如,硬線式)、或暫時(例如,暫態地)組構(例如,編程式)的實體,而以特定方式操作或執行在此所敘述之任何操作的至少一部分。當考慮其中模組係暫時組構之實例時,模組無需在任何時刻被及時地實例化。例如,當模組包含使用軟體所組構的適用型硬體處理器602於該處時;該通用型硬體處理器602可在不同的時間被組構成為個別的不同模組。軟體可因而組構硬體處理器,例如,在一時間之情況中構成特殊的模組以及在不同時間之情況中構成不同的模組。〝應用〞之用語,或其變化例係廣泛地使用於此,以包含常式、程式模組、程式、組件、及其類似物,且可被實施於種種系統組態上,包含單一處理器或多重處理器系統、微處理器為基之電子裝置、單一核心或多重核心系統、其組合、及其類物。因而,應用之用語可被使用以表示為了要執行在此所敘述之任何操作的至少一部分而予以配置之軟體或硬體的實施例。
機器(例如,電腦系統)600可包含硬體處理器602(例如,中央處理單元(CPU)、繪圖處理單元(GPU)、硬體處理器核心、或其任何組合)、主記憶體604、及靜態記憶體606,至少其若干者可經由內部鏈路(例如,匯流排)608而與其他者通訊。機器600可進一
步包含顯示單元610、字符輸入裝置612(例如,鍵盤)、及使用者介面(UI)導航裝置614(例如,滑鼠)。在實例中,顯示單元610、輸入裝置612、及UI導航裝置614可係觸控螢幕顯示器。機器600可附加地包含儲存裝置(例如,驅動單元)616、信號產生裝置618(例如,揚聲器)、網路介面裝置620、及諸如全球定位系統(GPS)感測器、羅盤、加速度計、或其他感測器之一或多個感測器621。機器600可包含諸如串聯(例如,通用串聯匯流排(USB))、並聯、或其他有線或無線(例如,紅外線(IR))連接之輸出控制器628,以連絡或控制一或多個週邊裝置(例如,印表機、讀卡機、等等)。
儲存裝置616可包含至少一機器可讀取媒體622,其中實施此處所敘述之該等技術或功能的任一者或多者,或由該等技術或功能的任一者或多者所使用之一或多組資料結構或指令624(例如,軟體)係儲存於其上。該等指令624亦可至少部分地位於諸如主記憶體604、靜態記憶體606之附加的機器可讀取記憶體上,或於藉由機器600之其執行期間的硬體處理器602之內。在實例中,硬體處理器602、主記憶體604、靜態記憶體606、或儲存裝置616的其中一者或任何組合可構成機器可讀取媒體。
雖然機器可讀取媒體622係藉繪為單一的媒體,但〝機器可讀取媒體〞之用語可包含被組構以儲存一或多個指令624之單一媒體或多重媒體(例如,集中型或分佈型
資料庫、及/或相關聯的快取及伺服器)。
〝機器可讀取媒體〞之用語可包含任何媒體,其能儲存、編碼、或裝載指令以供藉由機器600的執行之用且該等指令可致使機器600執行本發明之該等技術的任一者或多者,或其能儲存、編碼或裝載由該等指令所使用的或與該等指令相關聯的資料結構。非限制之機器可讀取媒體實例可包含固態記憶體,以及光學及磁性媒體。機器可讀取媒體的特定實例可包含:非揮發性記憶體,諸如半導體記憶體裝置(例如,可電性編程唯讀記憶體(EPROM)、可電性拭除可編程唯讀記憶體(EEPROM))及快閃記憶體裝置;磁碟,諸如內部硬碟及可卸取式碟片;磁光碟;以及CD-ROM及DVD-ROM碟片。
進一步地,指令624可使用若干轉移協定的任一者(例如,訊框中繼、網際網路協定(IP)、傳輸控制協定(TCP)、使用者資料包協定(UDP)、超文件傳送協定(HTTP)、等等),而在通訊網路626上,使用傳輸媒體,經由網路介面裝置620,以予以傳送或接收。實例通訊網路可包含局部區域網路(LAN)、寬域網路(WAN)、封包資料網路(例如,網際網路)、行動電話網路(例如,包含分碼多重存取(CDMA)、分時多重存取(TDMA)、分頻多重存取(FDMA)、及正交分頻多重存取(OFDMA)之通道存取方法,以及諸如用於行動通訊之全球系統(GSM)、通用型行動電訊系統(UMTS)、CDMA 2000 1x*標準、及長期演進(LTE)
之行動網路、傳統舊式電話(POTS)網路、及無線資料網路(例如,電機電子工程師學會(IEEE)802標準之家族,包含IEEE 802.11標準(WiFi)、IEEE 802.16標準(WiMAX®)、及其類似者)、對等(P2P)網路,或目前已知的或以後所開發的其他協定。
例如,網路介面裝置620可包含一或多個實體插孔(例如,乙太網、同軸、或電話插孔)或一或多個天線,以連接至通訊網626。在實例中,網路介面裝置620可包含複數個天線,而使用單一輸入多重輸出(SIMO)、多重輸入多重輸出(MIMO)、或多重輸入單一輸出(MISO)技術的至少一者以無線地通訊。〝傳輸媒體〞之用語應被視為包含能儲存、編碼、或裝載指令以供藉由機器600的執行之用的任何無形媒體,且包含數位或類比通訊信號或其他無形媒體以促成該軟體之通訊。
上述詳細說明包含附圖之參考,其形成詳細說明的一部分。利用描繪,該等附圖顯示可被實施之特定的實施例。該等實施例亦係在此稱做〝實例〞。該等實例可包含除了所顯示或所敘述的該等者之外的元件。然而,所打算的亦係包含所顯示或所敘述的該等元件之實例。此外,所打算的亦係使用所顯示或所敘述的該等元件(或其一或多個觀點)之任何組合或排列的實例,或相對於特殊之實例(或其一或多個觀點),或相對於在此所顯示或所敘述之其他實例(或其一或多個觀點)。
在此文件中所引用之公告、專利、及專利文獻係全部
地引用以合併於本文,雖然係各自地引用而併入。倘此文件與所引用而併入的該等文獻間有不一致的用法,於所併入之參考文獻中的用法係補充此文件之該者;對於無法調解之不一致處,以本文之用法為準。
在此文件中,如專利文件中所共用地,係使用〝一〞或〝一個〞之用語以包含一或超過一個,而與〝至少一個〞或〝一或多個〞之任可其他實例或用法無關。在此文件中,〝或〞之用語係表示非排斥性的「或」,使得〝A或B〞包含〝A但非B〞、〝B但非A〞、以及〝A及B〞,除非另有指示。在附錄之申請專利範圍中,〝包含〞及〝其中〞之用語係使用做為〝包括〞及〝在其中〞之個別用語的平易英文等效語。而且,在下文申請專利範圍中,〝包含〞及〝包括〞的用語係無限的,亦即,包含除了在申請專利範圍中的該用語之後所列出的元件之外的元件之系統、裝置、物品、或處理仍被視為落在該申請專利範圍的範疇之內。此外,在下文申請專利範圍中,〝第一〞、〝第二〞、及〝第三〞、等等之用語僅係使用做為標記,且並不打算建議數字順序於其物件。上述說明係打算變成描繪性的,且非限制性。上述該等實例(或其一或多個觀點)可以以與其他者相結合予以使用。諸如熟習本項技藝之一般人士於當檢視上述說明時之其他實施例亦可被使用。摘要係用以讓參閱者快速確定技術性之揭示的性質,例如,符合美國之37C.F.R.§1.72(b)。隨著瞭解而被提出的摘要將不被使用以闡釋或限制申請專利範圍之範疇
及意義。而且,在上述詳細說明中,種種特性可被組群在一起,以簡化本發明且使本發明有效率。然而,該等申請專利範圍可不陳明本文所揭示之特性,因為實施例可包含該等特性的子集。進一步地,實施例可包含比在特殊實例中所揭示之特性更少的特性。因此,下文申請專利範圍係以主張申請項本身獨立為個別之實施例而被結合至詳細說明之內。在本文中所揭示之實施例的範疇應參照附錄申請專利範圍,伴隨所給予該等申請專利範圍等效範圍權利的全部範疇,而予以決定。
Claims (18)
- 一種用以提供用於長期演進(LTE)之虛擬載波感測的方法,包含:在第一LTE下行鏈路(DL)傳輸中下行鏈路控制資訊(DCI)內從第一演進節點B(eNB)接收隨後DL傳輸之通知,該通知包括識別隨後DL訊框資源的資訊,其中該隨後DL訊框資源包含該第一eNB計劃要在該隨後DL傳輸中使用的時間維度和頻率維度兩者;以及在經排程的LTE上行鏈路資源單位中傳送該接收之通知的確認,其中該確認包含識別隨後DL訊框資源的該資訊,其中該確認係組態以由第二eNB接收,用以允許該第二eNB使用與計劃用於在該隨後DL傳輸中由該第一eNB使用之該DL訊框資源不同的DL訊框資源,而重排程其傳輸,用以降低與該隨後DL傳輸的干擾。
- 如申請專利範圍第1項之方法,其中該接收包含識別隨後DL訊框資源的資訊之該通知的步驟包含,接收識別多少子訊框將由該隨後DL傳輸所使用及與實體資源區塊相關聯的那一個頻率將被該隨後DL傳輸使用之資訊。
- 如申請專利範圍第2項之方法,其中該在該DCI欄中接收該通知的步驟包含,使用相同的時間-頻率資源而接收該通知。
- 如申請專利範圍第1項之方法,進一步包含依據第三代合作伙伴計劃(3GPP)長期演進/長期演進-升級版 (LTE/LTE-A)而操作。
- 一種用以提供用於長期演進(LTE)之虛擬載波感測的方法,包含:藉由第一演進節點B(eNB)監視用於自使用者裝備(UE)的上行鏈路傳輸之上行鏈路;在經排程的上行鏈路資源單位中接收通知的確認;處理在該經排程的上行鏈路資源單位中之該確認,以識別第二eNB計劃在由該第二eNB的隨後DL傳輸中所使用包含時間維度和頻率維度兩者之DL訊框資源,以及使用與該第二eNB計劃在該隨後傳輸中使用的DL訊框資源不同的DL訊框資源重排程傳輸,使得降低與該隨後DL傳輸的干擾。
- 如申請專利範圍第5項之方法,其中接收該確認的步驟進一步包含回應接收通知之該UE而接收來自該UE的確認,該通知包含識別多少子訊框將由該隨後DL傳輸所使用及與實體資源區塊相關聯的那一個頻率將被使用之資訊。
- 如申請專利範圍第5項之方法,進一步包含解碼該確認,且自識別多少子訊框將由該隨後DL傳輸所使用及與實體資源區塊相關聯的那一個頻率將被使用之該解碼之確認來提取資訊。
- 如申請專利範圍第5項之方法,進一步包含標示該第二eNB計劃在該隨後DL傳輸中所使用之該DL訊框資源為忙碌,且避免使用該標示的DL訊框資源。
- 一種使用者裝備(UE),包含:傳收器,用以接收及傳送信號;以及控制器,耦接至該傳收器,該控制器係配置以經由致能該控制器進行以下動作之組態而提供用於長期演進(LTE)之虛擬載波感測:在第一下行鏈路傳輸中下行鏈路控制資訊(DCI)內從第一演進節點B(eNB)接收隨後下行鏈路(DL)傳輸的通知,該通知包含識別該第一eNB計劃在該隨後DL傳輸中使用包含時間維度和頻率維度兩者的DL訊框資源的資訊;以及在經排程的上行鏈路資源單位中傳送該接收之通知的確認,其中該確認包含識別該第一eNB計劃在該隨後DL傳輸中所使用之該DL訊框資源的該資訊,其中第二eNB接收該確認且使用與該第一eNB計劃使用在該隨後DL傳輸中之DL訊框資源不同的DL訊框資源,而重排程該第二eNB之傳輸,用以降低與該隨後DL傳輸的干擾。
- 如申請專利範圍第9項之UE,其中該通知包含識別多少子訊框將由該隨後DL傳輸所使用及與實體資源區塊相關聯的那一個頻率將被該隨後DL傳輸使用之資訊。
- 如申請專利範圍第9項之UE,其中該控制器進一步在下行鏈路控制資訊欄中接收該通知。
- 如申請專利範圍第11項之UE,其中該控制器使 用相同的時間-頻率資源,而在該下行鏈路控制資訊欄中進一步接收該通知。
- 如申請專利範圍第9項之UE,其中該控制器進一步依據第三代合作伙伴計劃長期演進/長期演進-升級版(3GPP)(LTE/LTE-A)而操作。
- 一種用以提供用於長期演進(LTE)之虛擬載波感測的演進節點B(eNB),包含:傳收器,組態以接收及傳送信號;以及控制器,耦接至該傳收器,該控制器係配置以經由致能該控制器進行以下動作的組態而提供用於LTE之虛擬載波感測:監視用於來自使用者裝備(UE)之經排程的上行鏈路資源單位之上行鏈路;在該經排程的上行鏈路資源單位中接收通知的確認;處理在該經排程的上行鏈路資源單位中之該確認,以識別第二eNB計劃在由該第二eNB的隨後DL傳輸中所使用包含時間維度和頻率維度兩者之DL訊框資源,使用與計劃用於在該隨後DL傳輸中由該第二eNB使用的時間-頻率資源不同的時間-頻率資源重排程傳輸,以允許與該隨後DL傳輸的干擾被降低。
- 如申請專利範圍第14項之eNB,其中該通知包含識別多少子訊框將由該隨後DL傳輸所使用及與實體資 源區塊相關聯的那一個頻率將被使用之資訊。
- 如申請專利範圍第14項之eNB,其中該控制器解碼該確認,且從識別多少子訊框將由該隨後DL傳輸所使用及與實體資源區塊相關聯的那一個頻率將被使用的該解碼之確認資訊來提取。
- 如申請專利範圍第16項之eNB,其中該控制器進一步根據該提取之資訊而重排程傳輸,以使用與計劃用於在該第二eNB的隨後DL傳輸中由該第二eNB使用之DL訊框資源不同的DL訊框資源。
- 如申請專利範圍第14項之eNB,其中該控制器進一步標示該第二eNB計劃在隨後DL傳輸中所使用之DL訊框資源為忙碌,且避免使用該標示的DL訊框資源。
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