TWI517648B - 用於無線通訊系統中的下行鏈路協調多點之傳訊技術 - Google Patents

用於無線通訊系統中的下行鏈路協調多點之傳訊技術 Download PDF

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TWI517648B
TWI517648B TW102140893A TW102140893A TWI517648B TW I517648 B TWI517648 B TW I517648B TW 102140893 A TW102140893 A TW 102140893A TW 102140893 A TW102140893 A TW 102140893A TW I517648 B TWI517648 B TW I517648B
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pdsch
value
message
serving cell
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TW102140893A
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TW201408017A (zh
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肯蘭 艾特梅
艾利克斯 達威朵夫
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英特爾公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1635—Cumulative acknowledgement, i.e. the acknowledgement message applying to all previous messages
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    • H04W72/04—Wireless resource allocation
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    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • 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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    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
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Description

用於無線通訊系統中的下行鏈路協調多點之傳訊技術 參考相關申請案
本案請求美國臨時專利申請案第61/646,223號，申請日2012年5月11日，名稱「進階無線通訊系統及技術」之優先權，該案全文爰引於此並融入本說明書的揭示。
發明領域
本發明之實施例大致上係有關於通訊領域，及更明確言之，係有關於用於無線通訊系統中的下行鏈路協調多點之通訊。
發明背景
已經發展協調多點(CoMP)系統以改良無線網路中的各項操作參數。共有三個型別的CoMP系統：聯合發射(JT)；動態點選擇(DPS)；及及協作排程及協作波束形成(CS/CB)。於JT CoMP中，一服務點例如增強節點站台(eNB)及一協調點例如另一個eNB二者可發送相同資料給一使用者設備(UE)。於DPS CoMP中，一傳輸點可在不同候選者間動態地選擇，例如巨集節點eNB及皮-節點eNB。於CS/CB CoMP中，協調節點可遏止干涉通道的干擾。但該eNB可能不具有足夠控制及傳訊機構以有效地管理與一UE的CoMP通訊。
依據本發明之一實施例，係特地提出一種非過渡機器可讀取儲存媒體，其具有指令儲存於其上，當藉由一或多個處理器執行時，使得一使用者設備(UE)進行以下動作：偵測一值，其在從一演進節點B(eNB)所接收之一訊息的一實體下行鏈路分享通道(PDSCH)資源元件(RE)對映欄位中；基於該值識別來自複數個PDSCH RE對映參數集合的一PDSCH RE對映參數集合，其中該PDSCH RE對映參數集合包括一些天線埠；及處理該PDSCH RE對映參數集合以接收一PDSCH。
100‧‧‧網路、無線通訊網路
104、112、116‧‧‧增強節點站台(eNB)、演進節點B(eNB)
108‧‧‧使用者設備
120、136‧‧‧通訊模組
124‧‧‧回授模組
128‧‧‧CoMP管理模組
132、152‧‧‧天線
140‧‧‧CoMP管理模組
144‧‧‧非週期性回授模組
200、300、600‧‧‧表
400‧‧‧位元映像
500‧‧‧方法
504-520‧‧‧方塊
700‧‧‧系統
704‧‧‧處理器
708‧‧‧系統控制邏輯
712‧‧‧系統記憶體
716‧‧‧非依電性記憶體(NVM)/儲存裝置
720‧‧‧網路介面
722‧‧‧收發器
732‧‧‧輸入/輸出(I/O)裝置
藉後文詳細說明部分結合附圖將更明白瞭解實施例。為了輔助此項描述，相似的元件符號標示相似的結構元件。於附圖之圖式中實施例係藉舉例說明但非限制性。
圖1示意地例示說明依據多個實施例包括一使用者設備(UE)及複數個演進節點B(eNB)的無線通訊網路。
圖2為一表，依據多個實施例對映通道狀態資訊(CSI)請求欄位之值以觸發非週期性CSI回授。
圖3為依據多個實施例對映另一個CSI請求欄位之值的一表。
圖4例示說明依據多個實施例之一位元映像，該 位元映像可用以指示含括於用以觸發非週期性CSI回授的一CSI處理集合中的一或多個CSI處理。
圖5為一流程圖，例示說明依據多個實施例可藉一UE執行的用以觸發非週期性CSI回授之方法。
圖6為一表，依據多個實施例對映特定胞元參考信號(CRS)組態參數之值至CRS天線埠之一數目及一CRS頻移的相對應值。
圖7示意地闡釋依據多個實施例之一系統實例。
詳細說明
本文揭示之具體實施例包括但非僅限於用於無線通訊網路中支援下行鏈路協調多點通訊的傳訊方法、系統、電腦可讀取媒體、及裝置。
具體實施例之各個面向將使用熟諳技藝人士用以傳遞其工作內容給其它熟諳技藝人士的常用術語描述。但熟諳技藝人士顯然易知可只使用部分所描述的面向實施替代實施例。為求解說目的，列舉特定號碼、材料、及組態以供徹底瞭解具體實施例。但熟諳技藝人士顯然易知可不使用該等特定細節實施替代實施例。於其它情況下，刪除或簡化眾所周知的特徵以免遮掩該等具體實施例。
又，將轉而以最有助於瞭解具體實施例之方式將各項操作描述為多個離散操作；但描述的順序不應解譯為暗示此等操作必然為順序相依性。更明確言之，此等操作無需以表示內容的順序執行。
「於若干實施例中」一語係重複地使用。該片語通常並非指稱相同實施例，但可以是相同實施例。除非上下文另行指示，否則「包含」、「具有」、及「包括」等詞為同義詞。「A及/或B」一語表示(A)、(B)、或(A及B)。類似「A及/或B」一語，「A/B」及「A或B」等詞表示(A)、(B)、或(A及B)。「A、B及C中之至少一者」一語表示(A)、(B)、(C)、(A及B)、(A及C)、(B及C)或(A、B及C)。「(A)B」一語表示(B)或(A及B)，換言之，A為選擇性。
雖然此處已經例示說明及描述特定實施例，但熟諳技藝人士將瞭解寬廣多個替代及/或相當體現可取代所示的及所述的特定實施例而未悖離本文揭示之實施例的範疇。本案意圖涵蓋此處討論的實施例之任何適應或變化。因此，因此，明確意圖本文揭示之實施例將只受申請專利範圍各項及其相當範圍所限。
如此處使用，「模組」一詞可指稱屬於其中一部分、或包括特定應用積體電路(ASIC)、電子電路、處理器(分享、專用、或群組)及/或記憶體(分享、專用、或群組)其係執行一或多個軟體或韌體程式、綜合邏輯電路、及/或提供所描述的功能之其它適當組件。
圖1示意地例示說明依據多個實施例一種無線通訊網路100。無線通訊網路100(後文稱作為「網路100」)可為第三代合作夥伴計畫(3GPP)長期演進(LTE)的存取網路，諸如演進通用地面無線電存取網路(E-UTRAN)。網路100可包括組配以與使用者設備(UE)108無線通訊的一站 台，例如增強節點站台(eNB)104。
至少初步地，eNB 104可具有與UE 108確立的無線連結，且可操作為在CoMP度量集合內部的一服務節點。網路100的一或多個額外eNB例如eNB 112及116也可含括於CoMP度量集合內。eNB 112及116可經組配以輔助經由與eNB 104的協作而與UE 108作無線通訊。該等一或多個額外eNB可合稱為「協作節點」。一個eNB可在協作節點與服務節點角色間變遷。
服務節點與協作節點可透過無線連結及/或有線連結(例如高速光纖回程連結)而彼此通訊。
eNB可各自具有彼此大致相同的發射功率能力，或另外，部分eNB可具有相對較低的發射功率能力。舉例言之，於一個實施例中，eNB 104可為相對高功率站台諸如巨eNB，而eNB 112及116可為相對低功率站台諸如皮eNB及/或微微微eNB。
eNB 104可組配成透過一或多個成分載波而與UE 108通訊。各個成分載波可與用與該成分載波通訊的一頻帶相聯結。於若干實施例中，eNB 104可使用載波聚合透過多數個成分載波(具有不同頻率)而與UE 108通訊。UE 108可接收一次服務胞元上的控制資訊，且可接收二次服務胞元上的其它控制資訊。一次及二次服務胞元可與個別成分載波相聯結。CoMP通訊除外或另外，可運用載波聚合。
UE 108可包括通訊模組120及回授模組124彼此耦合。UE 108進一步可包括耦合通訊模組120及/或回授模 組124的CoMP模組128。通訊模組120可進一步耦合UE 108的多根天線132中之一或多者以透過網路100無線通訊。
UE 108可包括任何適當數目的天線。於多個實施例中，UE 108可包括與由UE 108接收自eNB的同時空間層或串流數目至少同等多數的天線，但本文揭示之範疇非受如此所限。同時空間層或串流數目也可稱作為發射排序，或簡稱排序。
天線132中之一或多者可交錯地用作為發射天線或接收天線。另外或此外，天線132中之一或多者可為專用接收天線或專用發射天線。
eNB 104可包括至少如圖所示彼此耦合的通訊模組136、CoMP管理模組140、及非週期性回授模組144。通訊模組136可進一步耦合eNB 104的多根天線152中之一或多者。通訊模組136可與一或多個UE(例如UE 108)通訊(例如發射及/或接收)。於多個實施例中，eNB 104可包括發射至UE 108的同時空間層或串流數目至少同等多數的天線，但本文揭示之範疇非受如此所限。天線152中之一或多者可交錯地用作為發射天線或接收天線。另外或此外，天線152中之一或多者可為專用接收天線或專用發射天線。
於多個實施例中，UE 108可經組配以用於個別胞元(例如成分載波)的一或多個CSI處理。CSI處理可包括相聯結的CSI-參考信號(CSI-RS)資源及/或相聯結的CSI-干涉測量(CSI-IM)資源。於若干實施例中，CSI-RS資源可為不歸零功率(NZP)CSI-RS資源。UE 108可進一步接收與各個 經組配的CSI處理相聯結的一胞元指數及/或一CSI處理識別符(ID)(例如於一給定胞元內部)。一或多個CSI處理可運用更高層傳訊，諸如透過無線電資源控制(RRC)傳訊而針對UE 108(例如藉eNB 104)組配。CSI處理可用於UE 108以產生針對eNB 104的CSI回授以輔助與UE 108的下行鏈路CoMP通訊。
於多個實施例中，UE 108的回授模組124可透過通訊模組120接收來自eNB 104的下行鏈路控制資訊(DCI)訊息。DCI訊息例如可於實體下行鏈路控制通道(PDCCH)上接收。於若干實施例中，PDCCH可為增強的PDCCH(EPDCCH)或其它型別的PDCCH。DCI訊息可包括一CSI請求欄位以指示一或多個CSI處理，UE 108將針對該CSI處理提供CSI回授給eNB 104。據此，DCI訊息可輔助藉UE 108非週期性報告CSI回授。於若干實施例中，CSI請求欄位可為二位元以指示四個可能值中之一者。CSI請求欄位的其它實施例可含括其它數量的位元。
回授模組124可針對指示的CSI處理產生CSI&O授。CSI回授可包括例如CSI處理的頻道品質指標(CQI)、預編碼矩陣指標(PMI)、一或多個所選子頻帶、及/或排序指標(RI)。然後，回授模組124可透過通訊模組120，發送一CSI報告給eNB 104，該報告包括所產生的CSI回授。CSI報告可例如在實體上行鏈路分享通道(PUSCH)上發送。
圖2例示說明依據若干實施例對映二位元CSI請求欄位之值的一表200。如表200所示，CSI請求欄位可具有 「01」值，以指示回授模組124係將針對該UE 108的一服務胞元所組配的一第一CSI處理集合而提供一CSI報告。該服務胞元可為一次服務胞元，於其上UE 108接收包括該CSI請求欄位的該DCI。於若干實施例中，根據UE 108接收DCI的該成分載波，UE 108可識別UE 108將對其提供CSI回授的該服務胞元。
於若干實施例中，值「01」可指示UE 108將針對與該服務胞元相聯結的全部CSI處理提供CSI回授(例如該第一CSI處理集合可包括與該服務胞元相聯結的全部CSI處理)。於其它實施例中，該第一CSI處理集合可包括與該服務胞元相聯結的該等CSI處理之一子集(例如少於全部)。舉例言之，該第一CSI處理集合可透過較高層(例如透過RRC傳訊)而針對UE 108組配。
於多個實施例中，CSI請求欄位可具有一值「10」，指示回授模組124將給一第二CSI處理集合提供一CSI報告。另外，CSI請求欄位可具有一值「11」，指示回授模組124將給一第三CSI處理集合提供一CSI報告。該第二及/或該第三CSI處理集合可透過較高層(例如透過RRC傳訊)，例如藉eNB 104組配以指示含括於該等第二及/或該第三集合的該等CSI處理。
針對第一集合、第二集合及/或第三集合的CSI報告可由eNB 104用以管理與UE 108的下行鏈路CoMP通訊。於若干實施例中，針對第一集合、第二集合及/或第三集合的CSI報告可由eNB 104用以管理，除了CoMP通訊外， 與UE 108的載波聚合通訊。CSI請求欄位可類似用以觸發CSI報告而支援載波聚合通訊的一CSI請求欄位。但用於載波聚合的CSI請求欄位只能針對一特定胞元或胞元集合的觸發CSI報告，而不允許針對與一給定胞元相聯結的及/或與不同胞元相聯結的多於一個CSI處理觸發CSI報告。此外，CSI處理的第二及/或第三集合可包括在相同頻率的不同胞元上的CSI處理(例如由不同eNB發送的具相同頻率的胞元)。
於若干實施例中，如於LTE進階11版定義，當UE 108係以發射模式10組配時，如此處描述的CSI請求欄位可使用。發射模式10可支援與UE的CoMP通訊。於發射模式10中，UE 108可針對如此處描述的一或多個CSI處理提供CSI回授。UE 108可使用DCI格式2D接收排程資訊。於若干實施例中，DCI格式1A可用作為後退模式。UE 108也可針對服務胞元以外的其它胞元接收PDSCH對映參數。此外，或另外，UE 108可使用UE專一性參考信號用於PDSCH的解調。
CSI處理的第二集合及/或第三集合可包括一或多個CSI處理中之任何數目。於若干實施例中，第二集合及/或第三集合可包括複數個CSI處理。於若干實施例中，第二集合及第三集合可包括一或多個共通CSI處理(例如含括於第二集合及第三集合二者的一或多個CSI處理)。於其它實施例中，第二集合及第三集合各自可只包括一個CSI處理。第二集合及/或第三集合的CSI處理可包括一或多個CSI 處理其係與該服務胞元不同的一胞元相聯結。此外或另外，第二集合及/或第三集合可包括與不同胞元相聯結的複數個CSI處理。
於多個實施例中，CSI請求欄位可包括一值「00」以指示並無非週期性CSI報告係藉DCI訊息觸發。值「00」例如可用於觸發非週期性CSI報告除外的其它目的而DCI訊息發送給UE 108時。
雖然針對二位元CSI請求欄位的特定值係顯示於表200，但顯然該等值可以任何適當方式對映至相對應動作，可能與表200顯示者不同。舉例言之，於另一個實施例中，值「00」可觸發針對CSI處理之第一集合的CSI報告。
如此處描述，CSI請求欄位可由eNB 104用以觸發針對CSI處理之一集合的CSI報告。eNB 104可動態改變該CSI處理集合，針對該處理eNB 104請求來自UE 104的CSI回授。eNB 104的非週期性回授模組144可接收CSI報告，CoMP管理模組140可運用含括於該等CSI報告的CSI回授資訊以管理與該UE的下行鏈路CoMP通訊。
於其它實施例中，CSI請求欄位可只包括一個位元。該位元可具有第一值(例如「1」)以觸發針對該服務胞元的全部CSI處理的一CSI報告。若無任何CSI報告係由DCI訊息所觸發，則該位元可具有第二值(例如「0」)。一位元CSI請求欄位例如可用在UE 108使用一傳輸模式具有共用搜尋空間供PDCCH解碼時(與特定使用者設備搜尋空間相反)。
圖3例示說明依據另一個實施例對映2-位元CSI請求欄位值的一表300。如圖3所示，2-位元CSI請求欄位可包括一值「01」以指示UE 108係將針對CSI處理之第一集合提供一CSI報告，或一值「10」以指示UE 108係將針對CSI處理之第二集合提供一CSI報告。CSI請求欄位可進一步包括一值「11」以指示UE 108係將針對CSI處理之第一集合及第二集合提供一CSI報告。CSI請求欄位可進一步包括一值「00」以指示並無非週期性CSI報告係藉DCI訊息觸發。
除了圖2及3顯示的組態之外，顯然CSI請求欄位的其它合宜組態可用以針對CSI處理的不同集合觸發非週期性CSI報告。舉例言之，於另一個實施例中，CSI請求欄位可類似於表300所示者，但具有一值「00」以指示UE 108係將針對服務胞元組配的一CSI處理集合提供一CSI報告。
於多個實施例中，觸發針對藉CSI請求欄位報告CSI的該等CSI處理集合(例如前述第一、第二、及/或第三集合)可使用個別位元映像藉eNB 104組配。位元可藉104(例如透過RRC傳訊)發送給UE 108以指示哪些CSI處理係含括於一給定CSI處理集合。舉例言之，圖4例示說明依據多個實施例之一位元映像400。位元映像400包括複數個位元(例如位元b0、b1、...bNK-1)，及個別位元可相對應於個別CSI處理以指示該CSI處理是否含括於由該位元映像400所定義的該CSI處理集合。位元可依據胞元指數(例如以胞元指數之遞增順序)而於位元映像400排序，及相對應於相同胞元指數相聯結的CSI處理的位元可藉其個別CSI ID排序。舉例 言之，位元映像400包括相對應於K+1成分載波的位元(例如具有胞元指數0至胞元指數K)。各個成分載波可包括N個經組配的CSI處理中之最大值。相對應於具有相同胞元指數的CSI處理的位元群組係以胞元指數的遞增順序排列於位元映像400(例如在位元映像400中，相對應於胞元指數0(b0-bN-1)的CSI處理的位元係位在相對應於胞元指數1(bN-b2N-1)的CSI處理的位元前方)。於相對應於具有相同胞元指數的CSI處理的位元群組內部，位元係以CSI處理ID的遞增順序排列。舉例言之，位元b0係相對應於具有相對應於具有胞元指數0及CSI處理ID 0的CSI處理，及位元b1係相對應於具有相對應於具有胞元指數0及CSI處理ID 1的CSI處理等。
如前文討論，eNB 104可發送類似位元映像400的複數個位元映像以針對非週期性CSI報告定義不同的CSI處理集合。然後，針對個別集合的非週期性CSI報告可藉含括如此處描述的CSI請求欄位之DCI訊息觸發。於若干實施例中，針對非週期性CSI報告定義CSI處理集合的位元映像可發送作為CSI處理組配過程的一部分(例如當UE 108變成與eNB 104 RRC連結時)。舉例言之，eNB 104的CoMP管理模組140可與針對個別CSI處理的CSI處理組配資訊(例如CSI-RS資源及/或CSI-IM資源)同時發送位元映像。此外或另外，位元映像可與CSI處理組配資訊分開發送以界定及/或修正針對非週期性CSI報告的CSI處理集合。
於若干實施例中，eNB 104的CoMP管理模組140 可進一步發送與個別CSI處理相聯結的碼簿子集約束參數(codebookSubsetRestriction parameter)。碼簿子集約束參數可發送作為CSI處理組態的一部分。碼簿子集約束參數可指示欲由eNB 104用於針對個別CSI處理的CSI報告的一碼簿內部的一PMI子集。另外或此外，針對各個NZP CSI-RS資源及/或子框子集，可組配碼簿子集約束參數。
於若干實施例中，eNB 104可在複數個經組配的CSI處理間組配一或多個CSI相依性。舉例言之，eNB 104可指示UE 108針對在相同排序上的及/或在相同偏好子帶上的複數個CSI處理報告CSI回授。
如前文討論，UE 108之回授模組124可針對由CSI請求欄位觸發的一或多個CSI處理產生CSI回授。CSI回授可根據針對該CSI處理所組配的CSI-RS資源及/或CSI-IM資源而產生。CSI回授例如可包括針對該等CSI處理的CQI、PMI、一或多個擇定的子帶、及/或RI。UE 108可於一CSI報告發送該CSI回授給eNB 104。
於若干實施例中，針對複數個CSI處理的CSI回授可序連於同一個CSI報告中。例如，針對複數個CSI處理的CSI回授可根據CSI處理指數及/或CSI處理的胞元指數序連。於一個實施例中，針對與同一成分載波相聯結的成組CSI處理的CSI回授(例如具有相同胞元指數)可以胞元指數的遞增順序而於該CSI報告中排序。CSI回授可以具有相同胞元指數的個別CSI處理之CSI處理指數的遞增順序而在個別組群內排列。
於某些情況下，針對第一CSI處理的該CSI回授之一或多個成分可與針對第二CSI處理的該CSI回授之一或多個成分相同。舉例言之，針對第一及第二CSI處理報告的RI可相同。於若干實施例中，分享成分(例如於本實例中的RI)可從針對第一CSI處理的或第二CSI處理的CSI報告刪除。如此可縮小CSI報告所需的頻寬。
於若干實施例中，CSI報告可使用增速編碼及/或循環冗餘檢查(CRC)編碼而予編碼。舉例言之，增速編碼及/或循環冗餘檢查(CRC)編碼可用以編碼CQI及PMI報告。如此有助於具有大酬載尺寸的一CSI報告。
圖5為流程圖例示說明依據多個實施例用以觸發非週期性CSI回授之方法500。方法500可由UE例如UE 108執行。於若干實施例中，UE可包括及/或存取具有指令儲存其上的一或多個電腦可讀取媒體，當執行時使得該UE執行方法500。此外或另外，於若干實施例中，UE可包括執行方法500之環路。
於504，UE可透過一無線通訊網路(例如網路100)從eNB(例如eNB 104)接收第一位元映像(例如位元映像400)。第一位元映像可指示含括於CSI處理之第一集合的一或多個CSI處理。舉例言之，第一位元映像可包括複數個位元，個別位元可相對應於個別CSI處理以指示該CSI處理是否含括於CSI處理之第一集合。個別位元可具有第一值(例如「1」)以指示相對應的CSI處理係含括於第一集合，或具有第二值(例如「0」)以指示相對應的CSI處理係不含括於第 一集合。於若干實施例中，複數個位元可於該位元映像內，根據CSI處理的一胞元指數(例如以胞元指數的遞增順序)排序，及相對應於具有相同胞元指數的CSI處理的該等位元可藉該CSI處理的一CSI處理ID(例如以CSI處理ID的遞增順序)排序。
於508，UE可從eNB接收第二位元映像。該第二位元映像可指示含括於CSI處理之一第二集合的一或多個CSI處理。第二位元映像可具有與前述第一位元映像描述的相似的位元排列，但具有與針對第一值(例如「1」)設定的不同位元。於若干實施例中，第一及第二集合可包括共用的一或多個CSI處理。
於512，UE可從該eNB接收DCI訊息。該DCI訊息可包括一CSI請求欄位以請求CSI回授而支援下行鏈路CoMP發射至該UE。於若干實施例中，該CSI請求欄位可包括二位元以形成四值中之一者。該CSI請求欄位可具有一第一值以指示該UE係將針對CSI處理之第一集合(例如於504組配)提供CSI回授，或具有一第二值以指示該UE係將針對CSI處理之第二集合(例如於508組配)提供CSI回授。
於516，UE可針對由CSI請求欄位所指示的CSI處理產生CSI回授。
於520，UE可發送所產生的CSI回授給eNB。該CSI回授可含括於一或多個CSI報告。
於若干實施例中，CSI請求欄位可具有第三值以指示UE係將針對該UE的一服務胞元組配的一CSI處理集合 提供CSI回授。該服務胞元可由成分載波識別，eNB係在該成分載波上發送DCI給包括該CSI請求欄位的該UE。為該服務胞元所組配的CSI處理集合可包括為該服務胞元所組配的全部CSI處理或為該服務胞元所組配的全部CSI處理之一子集。
於若干實施例中，該CSI請求欄位可具有第四值以指示並無CSI報告係被DCI訊息所觸發。
於其它實施例中，CSI請求欄位的第三值或第四值可用以指示UE係將針對CSI處理的第一集合及第二集合(例如分別於504及508組配)提供CSI回授。
於多個實施例中，UE 108可接收一實體下行鏈路分享通道(PDSCH)的一資源元件對映組態相關的資訊，讓UE 108用以接收PDSCH。於若干實施例中，UE 108之CoMP模組128可接收得自eNB 104的RRC訊息，其包括針對複數個PDSCH對映組態的PDSCH資源元件對映參數。PDSCH資源元件對映參數可包括例如針對個別PDSCH對映組態的特定胞元參考信號(CRS)天線埠之數目、一CRS天線埠偏位、一PDSCH起始符號、一群播-廣播單頻網路子框組態。於若干實施例中，PDSCH資源元件對映參數可進一步包括與該PDSCH對映組態相聯結的一不歸零功率CSI-RS識別符及/或一CSI處理識別符。PDSCH對映組態可進一步與一PDSCH對映組態ID相聯結(明確地或暗示地)。
針對UE 108可組配任何適當數目的PDSCH對映組態。舉例言之，於一個實施例中，針對UE 108可組配四 個PDSCH對映組態。於若干實施例中，PDSCH對映組態可為通用(例如不與特定胞元相聯結)。於其它實施例中，PDSCH對映組態可與個別胞元相聯結。
於若干實施例中，CRS天線埠數目及CRS天線埠偏位可聯合編碼成一CRS組態參數。例如，圖6例示說明一表600，顯示該CRS組態參數與CRS天線埠數目及CRS天線埠偏位之相對應值的對映關係。如表600所示，CRS組態參數之第一值(例如值0)可指示PDSCH對映組態具有4個天線埠及2子框之CRS頻移。於若干實施例中，PDSCH對映組態具有1、2、或4個天線埠之數目。具有一個天線埠的PDSCH對映組態具有六個CRX頻移中之一者(例如0、1、2、3、4、或5子框)，而具有2或4個天線埠的PDSCH對映組態具有三個CRX頻移中之一者(例如0、1、或2子框)。因此聯合編碼CRS天線埠數目及CRS天線埠偏位，可比其分開編碼少一個位元。
於多個實施例中，UE 108可從eNB 104接收一DCI訊息指示複數個PDSCH對映組態中之該等PDSCH對映組態中之一者(例如第一PDSCH對映組態)讓UE 108用以接收該PDSCH。舉例言之，DCI訊息可包括該等PDSCH對映組態，其係使用如前文描述的RRC傳訊組配者，中之一者的相對應PDSCH對映組態ID。於若干實施例中，該PDSCH對映組態ID可聯合編碼一成分載波指標，指示PDSCH欲在其上發送給UE 108的複數個已組配的成分載波中之第一成分載波。舉例言之，DCI訊息可包括一載波聚合胞元識別欄 位(CIF)，其指示讓該UE用以接收該PDSCH的PDSCH對映組態及成分載波。於若干實施例中，該CIF可為3位元。3-位元CIF可具有八個不同值以指示兩個成分載波中之一者及四個PDSCH對映組態中之一者。於其它實施例中，PDSCH對映組態ID可含括於與該CIF分開的一欄位。
UE 108可使用PDSCH資源元件對映參數以透過CoMP通訊接收PDSCH。舉例言之，PDSCH資源元件對映參數可輔助避免CRS與PDSCH的碰撞。針對聯合發射(JT)CoMP，當資源元件寂靜用以仿真CRS與PDSCH的碰撞時，UE 108可使用該等對映參數以決定瞬態速率匹配模式。用於動態點選擇(DPS)，對映參數可用以避免資源元件寂靜的需要。此外，如於LTE-進階標準11版提示，針對於發射模1、2、3、及4的DPS，UE 108可使用PDSCH資源元件對映參數以決定特定CRS須用於PDSCH的解調。
於實施例中其中PDSCH對映組態係與個別胞元(成分載波)相聯結，發射胞元可指示給UE 108以指示讓該UE用以接收該PDSCH的PDSCH對映組態。於若干實施例中，載波聚合CIF可用以指示用於下行鏈路CoMP的發射胞元(例如使用不用於載波聚合的CIF值)。須瞭解其它位元大小及/或排列可用以指示UE 108欲使用的PDSCH對映組態。
此處描述的eNB 104/112/116及/或UE 108可體現成如所期望的使用任何適當硬體及軟體組配的系統。針對一個實施例，圖7例示說明一個系統700實例包含一或多個處理器704、耦接至處理器704中之至少一者的系統控制邏 輯708、耦接至系統控制邏輯708的系統記憶體712、耦合系統控制邏輯708的非依電性記憶體(NVM)/儲存裝置716、耦合系統控制邏輯708的網路介面720、及耦合系統控制邏輯708的輸入/輸出(I/O)裝置732。
處理器704可包括一或多個單核心或多核心處理器。處理器704可包括通用處理器與專用處理器(圖形處理器、應用處理器、基頻處理器等)之任一項組合。
針對一個實施例的系統控制邏輯708可包括任何適當介面控制器以提供任何適當介面至處理器704中之至少一者及/或至與系統控制邏輯708通訊的任何適當裝置或組件。
針對一個實施例的系統控制邏輯708可包括一或多個記憶體控制器以提供一介面至系統記憶體712。系統記憶體712可用以載入與儲存例如針對系統700的資料及/或指令。針對一個實施例的系統記憶體712可包括任何適當依電性記憶體，諸如適當動態隨機存取記憶體(DRAM)。
NVM/儲存裝置716例如可包括用以儲存資料及/或指令的一或多個具體有形非過渡電腦可讀取媒體。NVM/儲存裝置716可包括任何適當非依電性記憶體，諸如快閃記憶體，及/或可包括任何適當非依電性儲存裝置，諸如一或多個硬碟機(HDD)、一或多個光碟(CD)驅動裝置、及/或一或多個數位影音碟(DVD)驅動裝置。
NVM/儲存裝置716可包括一儲存資源，其實體上為系統700安裝上的一裝置的一部分，或可由一裝置存取， 但非必要為該裝置的一部分。舉例言之，NVM/儲存裝置716可藉網路介面720透過網路存取及/或透過輸入/輸出(I/O)裝置732存取。
網路介面720可具有一收發器722提供無線電介面給系統700以透過一或多個網路通訊及/或與任何其它適當裝置通訊。收發器722可體現UE 108的通訊模組120或eNB 104的通訊模組136。於多個實施例中，收發器722可整合系統700的其它組件。舉例言之，收發器722可包括處理器704中之一處理器、系統記憶體712的記憶體、及NVM/儲存裝置716的NVM/儲存裝置。網路介面720可包括任何適當硬體及/或韌體。網路介面720可包括複數個天線以提供多進多出無線電介面。針對一個實施例的網路介面720可包括例如有線網路配接器(例如乙太網路配接器)、無線網路配接器、電話數據機及/或無線數據機。
針對一個實施例，處理器704中之至少一者可與系統控制邏輯708中之一或多個控制器的邏輯一起封裝。針對一個實施例，處理器704中之至少一者可與系統控制邏輯708中之一或多個控制器的邏輯一起封裝以形成一系統封裝(SiP)。針對一個實施例，處理器704中之至少一者可與系統控制邏輯708中之一或多個控制器的邏輯整合在同一個晶粒上。針對一個實施例，處理器704中之至少一者可與系統控制邏輯708中之一或多個控制器的邏輯整合在同一個晶粒上以形成一單晶片系統(SoC)。針對一個實施例，處理器704中之至少一者可連同NVM/儲存裝置716的記憶體封 裝以形成堆疊式封裝層疊(PoP)。例如，記憶體可耦合應用程式處理器及與該應用程式處理器組配成一PoP。
於多個實施例中，I/O裝置732可包括設計用以許可與系統700進行使用者互動的使用者介面、設計用以許可與系統700進行周邊組件互動的周邊組件介面、及/或設計用以決定系統700相關的環境條件及/或定位資訊的感測器。
於多個實施例中，該等使用者介面可包括但非僅限於顯示器(例如液晶顯示器、觸控螢幕顯示器等)、揚聲器、麥克風、一或多個照相機(例如靜態攝影機及/或視訊攝影機)、閃光燈(例如發光二極體(LED)閃光燈)、及鍵盤。
於多個實施例中，周邊組件介面可包括但非僅限於非依電性記憶體埠、通用串列匯流排(USB)埠、及音訊插孔、及電源供應器介面。
於多個實施例中，感測器可包括但非僅限於陀螺儀感測器、加速度計、鄰近感測器、周圍光感測器、及定位單元。該定位單元也可為網路介面720的一部分或與網路介面720互動以與定位網路的組件例如全球定位系統(GPS)衛星通訊。
於多個實施例中，系統700可為行動運算裝置，諸如但非僅限於膝上型運算裝置、平板運算裝置、小筆電、智慧型手機等。於多個實施例中，系統700可具有更多或更少的組件，及/或不同的架構。
雖然此處已經舉例說明某些實施例用於描述目 的，但未悖離本文揭示之範圍，經計算用以達成相同目的的寬廣多個替代及/或相當實施例或體現可取代所顯示的及所描述的實施例。本案意圖涵蓋此處討論的實施例之任何調適或變化。因此毫無疑義地此處描述之實施例係僅受申請專利範圍各項及其相當範圍所限。
100‧‧‧無線通訊網路
104、112、116‧‧‧增強節點站台(eNB)、演進節點B(eNB)
108‧‧‧使用者設備(UE)
120、136‧‧‧通訊模組
124‧‧‧回授模組
128‧‧‧CoMP模組
132、152‧‧‧天線
140‧‧‧CoMP管理模組
144‧‧‧非週期性回授模組

Claims (24)

  1. 一種具有指令儲存於其上之一或多個非過渡機器可讀取儲存媒體，當該等指令藉由一或多個處理器所執行時，致使一使用者設備(UE)進行以下動作：接收用於複數個實體下行鏈路分享通道(PDSCH)對映(mapping)參數集合之PDSCH資源元件(RE)參數，其中該複數個PDSCH對映參數集合之個別PDSCH RE對映參數集合包括一些天線埠、一特定胞元參考信號(CRS)頻移、及一不歸零功率通道狀態資訊參考信號(CSI-RS)識別符；偵測一值，其在從一演進節點B(eNB)所接收之一下行鏈路控制資訊(DCI)訊息的一PDSCH RE對映欄位中，其中該值係以二位元表示於該PDSCH RE對應欄位中；基於該值識別來自該複數個PDSCH RE對映參數集合的一PDSCH RE對映參數集合；以及處理該PDSCH RE對映參數集合以接收一PDSCH。
  2. 如請求項1之非過渡機器可讀取儲存媒體，其中該等天線埠之數目包括1、2或4個。
  3. 如請求項1之非過渡機器可讀取儲存媒體，其中該PDSCH RE對映欄位係用以支援一協調多點(CoMP)通訊至該UE。
  4. 如請求項1之非過渡機器可讀取儲存媒體，其中該個別 PDSCH RE對映參數集合更包括一PDSCH起始符號、或一群播-廣播單頻網路子框組態。
  5. 如請求項1至4中任一項之非過渡機器可讀取儲存媒體，其中該訊息更用以指示該UE所使用來接收該PDSCH之一服務胞元。
  6. 如請求項1至4中任一項之非過渡機器可讀取儲存媒體，其中該等複數個PDSCH RE對映參數集合具有四個PDSCH RE對映參數集合。
  7. 一種由一使用者設備(UE)所運用之設備，其透過一無線通訊網路以輔助通訊，該設備包含有：通訊電路，其用以：接收用於四個實體下行鏈路分享通道(PDSCH)對映(mapping)參數集合之PDSCH資源元件(RE)參數，其中該四個PDSCH對映參數集合之個別PDSCH RE對映參數集合包括一些天線埠、一特定胞元參考信號(CRS)頻移、及一不歸零功率通道狀態資訊參考信號(CSI-RS)識別符；從一演進節點B(eNB)接收一下行鏈路控制資訊(DCI)訊息，該訊息具有在一PDSCH RE對映欄位中的一值，其中該值係以二位元表示於該PDSCH RE對應欄位中；及耦接至該通訊電路之管理電路，該管理電路用以：基於該值識別來自該四個PDSCH RE對映參數集合的一PDSCH RE對映參數集合；及 處理該PDSCH RE對映參數集合以接收一PDSCH。
  8. 如請求項7之設備，其中該PDSCH RE對映欄位在一下行鏈路控制資訊(DCI)格式中被形成，且係用以支援一協調多點(CoMP)通訊至該UE。
  9. 如請求項7或8之設備，其中該PDSCH RE對映參數集合更包括一PDSCH起始符號、或一群播-廣播單頻網路子框組態；及/或其中該訊息更用以指示該UE所使用來接收該PDSCH之一服務胞元。
  10. 一種由一演進節點B(eNB)所運用之設備，其透過一無線通訊網路以輔助通訊，該設備包含有：管理電路，其用以：決定四個實體下行鏈路分享通道(PDSCH)資源元件(RE)對映參數集合，各個PDSCH RE對映參數集合具有一些天線埠、一特定胞元參考信號(CRS)頻移、及一不歸零功率通道狀態資訊參考信號(CSI-RS)識別符；及決定在一PDSCH RE對映欄位中的一值，該值相對應於該等四個PDSCH RE對映參數集合的一PDSCH RE對映參數集合，其中該值係以二位元表示於該PDSCH RE對應欄位中；以及耦接至該管理電路之通訊電路，該通訊電路用以：發送組態資訊至一使用者設備(UE)以組配用於 該UE之該等四個PDSCH RE對應參數集合；及透過一無線通訊網路來發送包括在該PDSCH RE對映欄位中的該值之一下行鏈路控制資訊(DCI)訊息至該UE以識別將由該UE來使用的該等四個PDSCH RE對應參數集合之該PDSCH RE對應參數集合。
  11. 如請求項10之設備，其中該PDSCH RE對映欄位係用以支援對該UE之一協調多點(CoMP)通訊。
  12. 如請求項10之設備，其中該PDSCH RE對映參數集合更具有一PDSCH起始符號、或一群播-廣播單頻網路子框組態；及/或其中該訊息更用以指示該UE所使用來接收該PDSCH之一服務胞元。
  13. 一種由一使用者設備(UE)所運用之設備，其用以輔助通道狀態資訊的回授，該設備包含有：通訊電路，其用以從一演進節點B(eNB)接收一訊息，該訊息具有一下行鏈路控制資訊(DCI)格式以支援協調多點(CoMP)通訊，該訊息包括在一通道狀態資訊(CSI)請求欄位中的一值及與個別CSI處理相關聯之一碼簿子集約束(CodebookSubsetRestriction)參數，該碼簿子集約束參數用以指示欲由該UE所使用之用於CSI報告的一碼簿內部之一預編碼矩陣指標子集；以及耦接至該通訊電路之回授電路，該回授電路用以基於該碼簿子集約束參數而產生針對一或多個CSI處理的 一預組配集合之一非週期性CSI回授，該預組配集合由在該CSI請求欄位中之該值所識別，其中該個別CSI處理係與一CSI參考信號(CSI-RS)資源及一CSI干涉測量(CSI-IM)資源相關聯，其中該一或多個CSI處理與一服務胞元相聯結，且為該服務胞元之CSI處理的一總數之一子集合。
  14. 如請求項13之設備，其中該值為一2-位元值，其識別該一或多個CSI處理，其中該一或多個CSI處理與該服務胞元相聯結，該訊息在該服務胞元上被接收。
  15. 如請求項13之設備，其中該值為一2-位元值，其識別該一或多個CSI處理，其中該一或多個CSI處理係與該服務胞元相關聯，該服務胞元不同於另一服務胞元，而該訊息在該另一服務胞元上被接收。
  16. 如請求項13之設備，其中該通訊電路更用以在該DCI格式中接收另一訊息，該另一訊息要具有一CSI請求欄位，其帶有一代表沒有非週期性CSI報告被觸發之2-位元值。
  17. 如請求項13至16中任一項之設備，其中該回授電路更用以基於從該eNB所接收之一位元映像(bitmap)來組配該一或多個CSI處理，其中：該位元映像包含多群組位元；該等多群組之個別群組對應於包括該服務胞元之個別經組配服務胞元；及 一群組之個別位元對應於一經組配服務胞元之個別CSI處理，該經組配服務胞元對應於該群組。
  18. 如請求項13至16中任一項之設備，其中該非週期性CSI回授包括一頻道品質指標(CQI)、一預編碼矩陣指標(PMI)、一預編碼型別指標、或一排序指標(RI)。
  19. 如請求項13至16中任一項之設備，其中該使用者設備為一具有一觸控螢幕使用者介面之行動裝置。
  20. 一種由一演進節點B(eNB)所運用之方法，其用以輔助通道狀態資訊的回授，該方法包含有：產生一訊息，該訊息具有一支援協調多點(CoMP)通訊之下行鏈路控制資訊(DCI)格式，該訊息包括在一通道狀態資訊(CSI)請求欄位中的一值及與個別CSI處理相關聯之一碼簿子集約束(CodebookSubsetRestriction)參數，該碼簿子集約束參數用以指示欲針對CSI報告所使用的一碼簿內部之一預編碼矩陣指標子集；透過一無線通訊網路發送該訊息至一使用者設備(UE)；以及接收用於一或多個CSI處理之一預組配集合的一非週期性CSI回授，該預組配集合由在該CSI請求欄位中之該值所識別；其中該個別CSI處理係與一CSI參考信號(CSI-RS)資源及一CSI干涉測量(CSI-IM)資源相關聯；並且其中該一或多個CSI處理與一服務胞元相聯結，且為該服務胞元之CSI處理的一總數之一子集合。
  21. 如請求項20之方法，其中該值為一2-位元值，其識別該一或多個CSI處理，其中該一或多個CSI處理與該服務胞元相聯結，該訊息在該服務胞元上被接收。
  22. 如請求項20之方法，其中該值為一2-位元值，其識別該一或多個CSI處理，其中該一或多個CSI處理係與該服務胞元相關聯，該服務胞元不同於另一服務胞元，而該訊息在該另一服務胞元上被接收。
  23. 如請求項20之方法，其更包含有下列步驟：在該DCI格式中發送另一訊息至該UE，其中該另一訊息具有一CSI請求欄位，其帶有一用以代表沒有非週期性CSI報告被觸發之2-位元值。
  24. 如請求項20之方法，其更包含有下列步驟：產生包含多群組位元之一位元映像，其中該等多群組之個別群組對應於包括該服務胞元之個別經組配服務胞元，及一群組之個別位元對應於一經組配服務胞元之個別CSI處理，該經組配服務胞元對應於該群組；及發送該位元映像至該UE。
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