TW202203693A - 干擾感知波束成形 - Google Patents
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Abstract
本發明之態樣係關於一種干擾感知波束成形環境,其中一AP控制器可判定一或多個AP之一或多個波束以伺服各種STA。舉例而言,一AP可請求(若干)STA在不同時槽期間提供一或多個上行鏈路導頻信號。該AP可接收該(等)上行鏈路導頻信號且針對各STA判定經由其從各自STA接收一上行鏈路導頻信號之各傳輸波束-接收波束對之上行鏈路波束品質。該AP可使用互反性以針對各STA判定各種傳輸波束-接收波束對之下行鏈路波束品質。該AP可使用該所判定下行鏈路波束品質來識別伺服各種STA之最佳波束。一AP控制器可基於最初藉由該等AP選擇之下行鏈路波束而判定一AP應使用哪一(些)下行鏈路波束來伺服一STA。
Description
本發明之實施例係關於無線通信系統,諸如多輸入多輸出無線通信系統。
隨著各裝置之不同及動態需求,現代運算裝置之類型不斷增加。向此等裝置提供服務之無線通信系統正面臨對資源之約束及對於服務之品質及數量之需求之增大。因此,期望改良諸如在一多輸入多輸出系統中提供無線通信服務。
本發明之一個態樣提供一種包括一網路通信裝置之存取點控制器。該存取點控制器進一步包括與該網路通信裝置通信的一處理器,其中電腦可執行指令在藉由該處理器執行時導致該存取點控制器:從一第一存取點獲取第一複數個候選下行鏈路波束;從一第二存取點獲取第二複數個候選下行鏈路波束;基於該第一複數個候選下行鏈路波束之一通道品質、該第二複數個候選下行鏈路波束之一通道品質、用於一第一站之一第一封包之一優先級、及用於一第二站之一第二封包之一優先級而從該第一複數個候選下行鏈路波束選擇一第一下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第二下行鏈路波束;指示該第一存取點使用該第一下行鏈路波束來伺服該第一站;且指示該第二存取點使用該第二下行鏈路波束來伺服該第二站。
上一段之存取點控制器可包含以下特徵之任何子組合:其中電腦可執行指令在執行時進一步導致存取點控制器指示第一存取點在一第一頻率通道上方使用第一下行鏈路波束來伺服第一站;其中電腦可執行指令在執行時進一步導致存取點控制器:基於第一複數個候選下行鏈路波束之通道品質、第二複數個候選下行鏈路波束之通道品質、用於第一站之第一封包之優先級、及用於第二站之第二封包之優先級而從第一複數個候選下行鏈路波束選擇一第三下行鏈路波束且從第二複數個候選下行鏈路波束選擇一第四下行鏈路波束;指示一第三存取點在不同於第一頻率通道之一第二頻率通道上方使用第三下行鏈路波束來伺服第一站;且指示一第四存取點在第二頻率通道上方使用第四下行鏈路波束來伺服第二站;其中第一下行鏈路波束及第三下行鏈路波束在空間上分離達至少一臨限距離;其中電腦可執行指令在執行時進一步導致存取點控制器基於該等第一及第二站之空間位置而從複數個站選擇該第一站及該第二站;其中該等第一及第二站在空間上分離達至少一臨限距離;其中該等電腦可執行指令在執行時進一步導致存取點控制器:基於第一封包之優先級與一第三下行鏈路波束之一通道品質之一第一乘積及第二封包之優先級與一第四下行鏈路波束之一通道品質之一第二乘積而產生一第一函數;基於第一封包之優先級與第一下行鏈路波束之一通道品質之一第三乘積及第二封包之優先級與第二下行鏈路波束之一通道品質之一第四乘積而產生一第二函數;判定該等第三及第四乘積之一總和大於該等第一及第二乘積之一總和;及基於該等第三及第四乘積之該總和大於該等第一及第二乘積之該總和而選擇該第一下行鏈路波束及該第二下行鏈路波束;其中藉由該第一存取點選擇該第一下行鏈路波束作為一候選者,且其中藉由一第三存取點選擇該第三下行鏈路波束作為一候選者;其中該等電腦可執行指令在執行時進一步導致存取點控制器基於該等第三及第四乘積之總和大於該等第一及第二乘積之總和而指示第一存取點而非第三存取點使用第一下行鏈路波束來伺服第一站;及其中該第一存取點藉由起始一波束訓練程序而選擇該第一複數個候選下行鏈路波束。
本發明之另一態樣提供一種電腦實施方法,其包括:從一第一存取點獲取第一複數個候選下行鏈路波束;從一第二存取點獲取第二複數個候選下行鏈路波束;基於該第一複數個候選下行鏈路波束之一通道品質、該第二複數個候選下行鏈路波束之一通道品質、用於一第一站之一第一封包之一優先級、及用於一第二站之一第二封包之一優先級而從該第一複數個候選下行鏈路波束選擇一第一下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第二下行鏈路波束;指示該第一存取點使用該第一下行鏈路波束來伺服該第一站;及指示該第二存取點使用該第二下行鏈路波束來伺服該第二站。
上一段之電腦實施方法可包含以下特徵之任何子組合:其中指示該第一存取點使用該第一下行鏈路波束來伺服該第一站進一步包括指示該第一存取點在一第一頻率通道上方使用該第一下行鏈路波束來伺服該第一站;其中該電腦實施方法進一步包括:基於該第一複數個候選下行鏈路波束之通道品質、該第二複數個候選下行鏈路波束之通道品質、用於第一站之第一封包之優先級、及用於第二站之第二封包之優先級而從該第一複數個候選下行鏈路波束選擇一第三下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第四下行鏈路波束;指示一第三存取點在不同於該第一頻率通道之一第二頻率通道上方使用該第三下行鏈路波束來伺服該第一站;及指示一第四存取點在該第二頻率通道上方使用該第四下行鏈路波束來伺服該第二站;其中該第一下行鏈路波束及該第三下行鏈路波束在空間上分離達至少一臨限距離;其中該電腦實施方法進一步包括基於該等第一及第二站之空間位置而從複數個站選擇該第一站及該第二站;其中該等第一及第二站在空間上分離達至少一臨限距離;其中從該第一複數個候選下行鏈路波束選擇一第一下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第二下行鏈路波束進一步包括:基於該第一封包之優先級與一第三下行鏈路波束之一通道品質之一第一乘積及該第二封包之優先級與一第四下行鏈路波束之一通道品質之一第二乘積而產生一第一函數;基於該第一封包之優先級與該第一下行鏈路波束之一通道品質之一第三乘積及該第二封包之優先級與該第二下行鏈路波束之一通道品質之一第四乘積而產生一第二函數;判定該等第三及第四乘積之一總和大於該等第一及第二乘積之一總和;及基於該等第三及第四乘積之總和大於該等第一及第二乘積之總和而選擇該第一下行鏈路波束及該第二下行鏈路波束;其中藉由該第一存取點選擇該第一下行鏈路波束作為一候選者,且其中藉由一第三存取點選擇該第三下行鏈路波束作為一候選者;其中指示該第一存取點伺服該第一站進一步包括基於該等第三及第四乘積之總和大於該等第一及第二乘積之總和而指示該第一存取點而非該第三存取點使用該第一下行鏈路波束來伺服該第一站;及其中該第一存取點藉由起始一波束訓練程序而選擇該第一複數個候選下行鏈路波束。
本發明之另一態樣提供包括電腦可執行指令之非暫時性電腦可讀儲存媒體,其中該等電腦可執行指令在藉由一存取點控制器執行時導致該存取點控制器:從一第一存取點獲取第一複數個候選下行鏈路波束;從一第二存取點獲取第二複數個候選下行鏈路波束;基於該第一複數個候選下行鏈路波束之一通道品質、該第二複數個候選下行鏈路波束之一通道品質、用於一第一站之一第一封包之一優先級、及用於一第二站之一第二封包之一優先級而從該第一複數個候選下行鏈路波束選擇一第一下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第二下行鏈路波束;指示該第一存取點使用該第一下行鏈路波束來伺服該第一站;及指示該第二存取點使用該第二下行鏈路波束來伺服該第二站。
相關申請案之交叉參考
本申請案主張標題為「INTERFERENCE-AWARE BEAMFORMING」且在2020年5月26日申請之美國專利臨時申請案第63/030,181號之優先權之權利,該案之全部內容特此以引用之方式併入本文中。在如與本申請案一起申請之申請資料單中識別一國外或國內優先權主張之任何及全部申請案特此依據37 CFR 1.57規定以引用之方式併入。
特定實施例之以下描述呈現特定實施例之各種描述。然而,可以舉例而言如藉由發明申請專利範圍定義且涵蓋之多種不同方式體現本文中描述之創新。在此描述中,參考其中相同元件符號可指示相同或功能類似元件之圖式。將瞭解,圖中繪示之元件不一定按比例繪製。此外,將瞭解,特定實施例可包含比一圖式中繪示更多之元件及/或一圖式中繪示之元件之一子集。此外,一些實施例可併入來自兩個或更多個圖式之特徵之任何適合組合。本文中提供之標題僅為了方便起見且不一定影響發明申請專利範圍之範疇或含義。
隨著無線網路愈來愈多地用於運行對可靠性及/或延時問題敏感之服務(例如,媒體串流、視訊聊天、虛擬實境、擴增實境等),負面地影響可靠性及/或延時之任何情境可能出現問題。舉例而言,障礙物及/或干擾可防止一站(STA)從一存取點(AP)接收一傳輸,且反之亦然。通常,若一初始傳輸失敗(例如,若封包所針對之AP或STA未接收到封包,如藉由AP或STA未能發送應答接收到封包之一應答訊息所指示),則STA或AP可重新傳輸一封包。然而,若初始傳輸由於一障礙物(例如,被一物件,諸如一壁、一人、家具等)及/或干擾(例如,來自另一傳輸裝置,諸如一AP或STA)而失敗,則在STA或AP嘗試重新傳輸時障礙物及/或干擾可能仍存在(例如,鑑於重新傳輸通常在初始傳輸之1 ms、10 ms、100 ms等內發生)。因此,障礙物及/或干擾可降低無線網路之可靠性。
為增加無線網路之可靠性且減少延時,本文中描述一干擾感知波束成形環境,其中一AP控制器可針對各STA判定一或多個AP之一或多個波束以伺服各自STA。舉例而言,一AP可請求一或多個STA在不同時槽期間提供一或多個上行鏈路導頻信號(例如,經由一波束細化程序請求)。因此,(若干) STA可各在所指派時槽期間傳輸一或多個上行鏈路導頻信號,其中(若干)所傳輸上行鏈路導頻信號可係在所指派時槽期間多次傳輸之(若干)相同上行鏈路導頻信號或在所指派時槽期間傳輸之(若干)不同上行鏈路導頻信號。AP可接收(若干)上行鏈路導頻信號且針對各STA判定從各自STA接收之(若干)上行鏈路導頻信號之各者之上行鏈路波束品質。接著,AP可使用互反性以針對各STA判定各種下行鏈路波束之下行鏈路波束品質。舉例而言,AP可針對一波束判定下行鏈路波束品質與上行鏈路波束品質相同。接著,AP可判定最佳下行鏈路波束將係具有最高波束品質之上行鏈路波束,次佳下行鏈路波束將係具有次高波束品質之上行鏈路波束等等。AP可使用所判定下行鏈路波束品質來識別伺服各自STA之最佳波束。
干擾感知波束成形環境中之其他AP可執行相同操作以判定最佳下行鏈路波束以伺服一或多個STA,且AP之各者可向一AP控制器提供經選擇以伺服一或多個STA之下行鏈路波束之指示。AP可能已選擇下行鏈路波束而未考量來自其他AP及/或STA之其他傳輸可能發生之干擾。因此,AP控制器可執行一仲裁操作,基於最初藉由AP選擇之下行鏈路波束而判定一AP應使用哪一(些)下行鏈路波束來伺服一STA。舉例而言,AP控制器可針對AP選擇下行鏈路波束以伺服STA,其最小化干擾且最大化基於封包優先級及波束品質之一加權和速率。接著,AP控制器可向AP之各者通知經選擇以從各自AP伺服各STA之(若干)下行鏈路波束。接著,AP可各判定伺服一些或全部STA之一速率。
因此,AP控制器可藉由判定一AP應使用哪些下行鏈路波束來伺服一STA而最小化干擾且增加提高可靠性。事實上,AP控制器可藉由至少部分基於封包緊急性來判定下行鏈路波束而進一步減少無線網路中之延時,此可導致以一更及時方式將資料封包傳輸至目的地STA。
在一實施例中,本文中描述之干擾感知波束成形環境經設計以在較高頻率下(諸如在毫米波(mmW)頻率下,諸如在24 GHz至300 GHz之間)操作。一般而言,mmW頻率可涵蓋介於2 GHz至3 GHz之間之至少一些頻率範圍、超高頻(SHF)帶(例如,3 GHz至30 GHz)中之至少一些頻率範圍及/或極高頻(EHF)帶(例如,30 GHz至300 GHz)中之至少一些頻率範圍。本文中描述之技術可應用於在任何適合頻率範圍操作之網路。另外,本文中描述之技術可用於各種使用情況,諸如媒體串流、視訊聊天、虛擬實境、擴增實境等。干擾感知波束成形
圖1A係根據一實施例之其中多個STA 110A至110D及AP 108A至108I可彼此通信之一干擾感知波束成形環境100之一圖式。如圖1A中繪示,多點環境100包含複數個AP 108A至108I、複數個STA 110A至110D、一AP控制器106及一資料源140。在一實施例中,可經由AP 108A至108I之一或多者將資料封包從資料源140無線傳輸至複數個STA 110A至110D。類似地,可將資料封包從複數個STA 110A至110D傳輸至一或多個AP 108A至108I。
如本文中描述,一STA 110A至110D可與多個AP 108A至108I通信且一AP 108A至108I可與一單個無線堆疊(例如,一單個IEEE 820.11協定堆疊)中之多個STA 110A至110D通信。舉例而言,一STA 110A至110D可與多個AP 108A至108I同時鑑認且對在一標頭或前置項中包含匹配STA 110A至110D之一位址之一目的地位址的任何資料封包進行解碼,而不考慮包含於資料封包之標頭或前置項中之源位址。類似地,一AP 108A至108I可對在一標頭或前置項中包含匹配AP 108A至108I之一位址或匹配與AP 108A至108I相關聯之一通配位址之一目的地位址的任何資料封包進行解碼,而不考慮包含於資料封包之標頭中之源位址。舉例而言,一通配位址可係與多個AP 108A至108I相關聯之一位址而非僅與一個AP 108A至108I相關聯之一唯一位址。
出於圖解而不旨在限制之目的,STA 110A與AP 108A及108B通信,STA 110B與AP 108B及108E通信,STA 110C與AP 108D、108E及108H通信,且STA 110D與AP 108E及108H通信。然而,STA 110A至110D及AP 108A至108I可與其他AP 108A至108I及STA 110A至110D通信。因此,不同於其中一BSS包含指派給一或多個STA之一個AP之典型無線網路環境,多點環境100不具有一STA 110A至110D與其相關聯之預定義AP 108A至108I。實情係,將一資料封包傳輸至一特定STA 110A至110D之AP 108A至108I可在一逐封包基礎上改變。舉例而言,AP 108D可在一第一時間將一第一資料封包傳輸至STA 110C,AP 108E可在一第二時間將一第二資料封包傳輸至STA 110C,AP 108H可在一第三時間將一第三資料封包傳輸至STA 110C,AP 108D可在一第四時間將一第四資料封包傳輸至STA 110C等等。事實上,將一資料封包傳輸至STA 110A至110D之AP 108A至108I可改變,而STA 110A至110D未改變STA 110A至110D與其相關聯之BSS,STA 110A至110D可使用相同單個無線堆疊保持在相同基本服務集(BSS)中而將資料封包傳輸至STA 110A至110D之AP 108A至108I改變。類似地,可不存在一AP 108A至108I與其相關聯之預定義STA 110A至110D。實情係,將一資料封包傳輸至一特定AP 108A至108I之STA 110A至110D可在一逐封包基礎上改變。
AP控制器106可包括經組態以執行指令之一或多個處理器,該等指令在執行時導致AP控制器106執行本文中描述為藉由AP控制器106執行之操作。AP控制器106可進一步包括用於與AP 108A至108I及/或資料源140及/或其他硬體組件(例如,揮發性記憶體、非揮發性記憶體、一主機板等)通信的一網路通信裝置(例如,一天線、一乙太網路埠、一無線網路介面(例如,mmW、藍芽、IEEE 802.11等)、一接收器、一傳輸器、一收發器等)。AP控制器106可經組態以選擇應使用AP 108A至108I之哪些下行鏈路波束將資料封裝傳輸至STA 110A至110D。舉例而言,一AP 108A至108I可藉由請求一或多個STA 110A至110D提供一或多個上行鏈路導頻信號(例如,BRP、SRS等)而起始一波束訓練程序(例如,IEEE 802.11ad之一波束細化程序接收程序(BRP-Rx)、新無線電(NR)之傳輸器接收波束選擇及細化程序(例如,以mmW頻率操作之技術)等)。特定言之,AP 108A至108I可指示針對其起始一波束訓練程序之各STA 110A至110D在不同時槽期間傳輸一或多個上行鏈路導頻信號。因此,STA 110A至110D可能不會同時而係在不同時間循序地將上行鏈路導頻信號傳輸至AP 108A至108I。
STA 110A至110D可各在所指派時槽期間將一或多個上行鏈路導頻信號傳輸至AP 108A至108I。舉例而言,一STA 110A至110D可具有一或多個傳輸波束且一AP 108A至108I可具有一或多個接收波束。STA 110A至110D可在所指派時槽期間經由一傳輸波束多次傳輸一上行鏈路導頻信號,諸如匹配可能傳輸波束-接收波束對之數目之次數。作為一闡釋性實例,若一STA 110A至110D具有一個傳輸波束且一AP 108A至108I具有16個接收波束,則STA 110A至110D可在所指派時槽期間傳輸上行鏈路導頻信號16次。可在所指派時槽中之一不同子時槽期間傳輸藉由STA 110A至110D傳輸之各上行鏈路導頻信號。因此,藉由一STA 110A至110D在一所指派時槽期間傳輸各上行鏈路導頻信號在時間上可能不重疊。實情係,STA 110A至110D可在所指派時槽期間依序多次傳輸上行鏈路導頻信號。由於一STA 110A至110D可在所指派時槽期間多次(諸如至少等於AP 108A至108I接收波束之數目之次數)傳輸上行鏈路導頻信號,故每當STA 110A至110D在一子時槽期間傳輸一上行鏈路導頻信號時,一AP 108A至108I可判定一不同接收波束之波束品質。換言之,AP 108A至108I可在其中STA 110A至110D傳輸上行鏈路導頻信號之一第一子時槽期間判定一第一接收波束之波束品質,可在其中STA 110A至110D傳輸上行鏈路導頻信號之一第二子時槽期間判定一第二接收波束之波束品質,可在其中STA 110A至110D傳輸上行鏈路導頻信號之一第三子時槽期間判定一第三接收波束之波束品質等等。因此,AP 108A至108I可從一個STA 110A至110D接收多個上行鏈路導頻信號,且AP 108A至108I可共同地針對各STA 110A至110D接收多個上行鏈路導頻信號。
使用(若干)所接收上行鏈路導頻信號,AP 108A至108I可針對傳輸至少一個上行鏈路導頻信號之各STA 110A至110D判定經由其從各自STA 110A至110D接收一上行鏈路導頻信號之各傳輸波束-接收波束對之上行鏈路波束品質(例如,上行鏈路通道品質)。接著,AP 108A至108I可使用互反性以針對各STA 110A至110D判定各種傳輸波束-接收波束對之下行鏈路波束品質。舉例而言,AP 108A至108I可針對一傳輸波束-接收波束對判定對應於各自傳輸波束-接收波束對之AP 108A至108I傳輸波束-STA 110A至110D接收波束對之下行鏈路波束品質與各自傳輸波束-接收波束對之上行鏈路波束品質相同(例如,其中若傳輸波束用於經由相同天線或傳輸-接收點(TRP)傳輸封包且接收波束用於經由相同天線或傳輸-接收點(TRP)接收封包,則一AP 108A至108I接收波束可對應於一AP 108A至108I傳輸波束,且其中若傳輸波束用於經由相同天線或TRP傳輸封包且接收波束用於經由相同天線或TRP接收封包,則一STA 110A至110D接收波束可對應於一STA 110A至110D傳輸波束)。接著,AP 108A至108I可針對各STA 110A至110D識別具有最高下行鏈路波束品質之AP 108A至108I傳輸波束-STA 110A至110D接收波束對且選擇AP 108A至108I之傳輸波束作為用於伺服各自STA 110A至110D之一候選波束。因此,AP 108A至108I可基於藉由STA 110A傳輸之上行鏈路導頻信號而識別具有最高上行鏈路波束品質之STA 110A傳輸波束-AP 108A至108I接收波束對,判定對應於具有最高上行鏈路波束品質之STA 110A傳輸波束-AP 108A至108I接收波束對之AP 108A至108I傳輸波束-STA 110A接收波束對之下行鏈路波束品質與上行鏈路波束品質相同,且選擇對應於具有最高上行鏈路波束品質之STA 110A傳輸波束-AP 108A至108I接收波束之AP 108A至108I傳輸波束-STA 110A接收波束對之AP 108A至108I傳輸波束作為用於伺服至STA 110A之下行鏈路傳輸之一候選波束。AP 108A至108I可針對一些或全部剩餘STA 110B至110D重複此操作。
干擾感知波束成形環境100中之其他AP 108A至108I可執行相同操作以針對各STA 110A至110D判定具有最高下行鏈路通道品質之AP 108A至108I傳輸波束-STA 110A至110D接收波束對且選擇該傳輸波束作為用於伺服至各自STA 110A至110D之下行鏈路傳輸之一候選波束。接著,AP 108A至108I可將經選擇以伺服STA 110A至110D之候選波束之指示傳輸至AP控制器106。AP 108A至108D可已選擇候選波束而不考量來自其他AP 108A至108I及/或STA 110A至110D之傳輸可能發生之干擾。因此,AP控制器106可執行一仲裁操作以最小化干擾。
舉例而言,AP控制器106最初可識別STA 110A至110D之各者之一空間位置且將STA 110A至110D分區,使得各分區中之STA 110A至110D在空間上分離(例如,分離達至少一臨限距離)。作為一闡釋性實例,一AP 108A至108I可具有指向不同方向之傳輸及/或接收波束。AP 108A至108I可在一STA 110A至110D傳輸一上行鏈路導頻信號時量測不同接收波束上方之接收功率且提供所量測接收功率、在其上方量測接收功率之接收波束之指示及/或接收波束指向AP控制器106之方向。在其上方量測最強接收功率之一接收波束之方向可係一STA 110A至110D所處之方向。因此,AP控制器106可使用藉由AP 108A至108I提供之資訊來識別在其上方量測最強接收功率之接收波束,且判定所識別接收波束之方向係傳輸上行鏈路導頻信號之STA 110A至110D之方向及因此空間位置。AP控制器106可針對一些或全部STA 110A至110D重複此操作以識別STA 110A至110D之空間位置。替代地,一AP 108A至108I可使用上文描述之技術來判定一STA 110A至110D之空間位置且向AP控制器106提供空間位置之指示。因此,一分區中之STA 110A至110D可在空間上不同且可在不具有或具有最小干擾之情況下同時被伺服。因此,AP控制器106或一排程器最終可排程至相同分區中之STA 110A至110D之同時及/或重疊傳輸,及/或可循序地排程對應於不同分區之傳輸(例如,可第一次排程一第一分區中之STA 110A至110D之傳輸,可在第一次之後第二次排程一第二分區中之STA 110A至110D之傳輸,可在第二次之後第三次排程一第三分區中之STA 110A至110D之傳輸等等)。
接著,AP控制器106針對一分區中之各STA 110A至110D判定針對各自STA 110A至110D選擇之前N (例如,1、2、3、4、5、6等)個候選波束。舉例而言,AP 108A可已針對一分區中之一STA 110A至110D選擇一第一候選波束,AP 108B可已針對STA 110A至110D選擇一第二候選波束,AP 108C可已針對STA 110A至110D選擇一第三候選波束等等。AP控制器106可基於藉由各種AP 108A至108I針對一各自STA 110A至110D選擇之候選波束之通道品質(例如,上行鏈路波束品質、下行鏈路波束品質等)對該等候選波束進行排名。
一旦針對一分區中之各STA 110A至110D選擇前N個候選波束,AP控制器106便可最大化一加權和速率以識別應選擇前N個候選波束之哪一候選波束以伺服分區中之各STA 110A至110D。舉例而言,用於一STA 110A至110D之各封包可與一優先級相關聯。可將優先級表示為一時間度量(例如,應遞送封包之一時間期限、自封包準備好傳輸以來已過去之時間等)或指示封包之一順序或緊急性之另一度量(例如,1至N排名,其中1或N係最高優先級)。AP控制器106可使用優先級作為一權重且使用一候選波束之一波束或通道品質(例如,信雜比(SNR)、信號對干擾雜訊比(SINR)等)作為一速率。接著,AP控制器106可產生一或多個函數,其中各函數係一或多個不同乘積之一總和,其中各乘積係用於一分區中之一STA 110A至110D之一封包之一優先級及STA 110A至110D之前N個候選波束之一者之一通道或波束品質之一組合(例如,各乘積係一加權候選波束品質度量)。特定言之,以下方程式表示藉由AP控制器106產生之一個可能函數:
其中w1
表示用於一分區中之一第一STA 110A至110D之一封包之優先級,B1
表示第一STA 110A至110D之前N個候選波束之一者之一波束或通道品質,w2
表示用於分區中之一第二STA 110A至110D之一封包之優先級,B2
表示第二STA 110A至110D之前N個候選波束之一者之一波束或通道品質,w3
表示用於分區中之一第三STA 110A至110D之一封包之優先級,B3
表示第三STA 110A至110D之前N個候選波束之一者之一波束或通道品質等等。
由於可同時、時間上重疊或至少在相同時槽期間伺服一分區中之STA 110A至110D,故在一給定函數中針對各STA 110A至110D選擇之候選波束不同。另外,由於可存在可經選擇以伺服一給定STA 110A至110D之多個候選波束,故AP控制器106可產生多個函數,其中各函數針對STA 110A至110D封包優先級及STA 110A至110D候選波束品質乘積之一不同組合。換言之,各函數可包含一或多個加權候選波束品質度量。權重(例如,STA 110A至110D封包優先級)之值可在各函數中保持恆定。然而,對於一給定STA 110A至110D及函數,AP控制器106可選擇一不同候選波束以應用於各自STA 110A至110D之權重。因此,AP控制器106可產生特定數目個函數,使得函數共同涵蓋STA 110A至110D封包優先級及STA 110A至110D候選波束品質度量之各可能組合。
作為一闡釋性實例,AP控制器106可針對各STA 110A至110D選擇前3個候選波束,且可將三個STA 110A至110C分組成一個分區。若總共選擇9個候選波束(例如,STA 110A之前3個候選波束之各者不同於STA 110B之前3個候選波束之任一者且不同於STA 110C之前3個候選波束之任一者,且STA 110B之前3個候選波束之各者不同於STA 110C之前3個候選波束之任一者),則AP控制器106可產生一個函數,其中STA 110A優先級或權重經施加至STA 110A之頂部候選波束之波束或通道品質,STA 110B優先級或權重經施加至STA 110B之頂部候選波束之波束或通道品質,且STA 110C優先級或權重經施加至STA 110C之頂部候選波束之波束或通道品質,且乘積經加總。AP控制器106亦可產生一第二函數,其中STA 110A優先級或權重經施加至STA 110A之第二候選波束之波束或通道品質,STA 110B優先級或權重經施加至STA 110B之頂部候選波束之波束或通道品質,且STA 110C優先級或權重經施加至STA 110C之頂部候選波束之波束或通道品質,且乘積經加總。AP控制器106亦可產生一第三函數,其中STA 110A優先級或權重經施加至STA 110A之第三候選波束之波束或通道品質,STA 110B優先級或權重經施加至STA 110B之頂部候選波束之波束或通道品質,且STA 110C優先級或權重經施加至STA 110C之頂部候選波束之波束或通道品質,且乘積經加總。AP控制器106亦可產生一第四函數,其中STA 110A優先級或權重經施加至STA 110A之頂部候選波束之波束或通道品質,STA 110B優先級或權重經施加至STA 110B之第二候選波束之波束或通道品質,且STA 110C優先級或權重經施加至STA 110C之頂部候選波束之波束或通道品質,且乘積經加總。AP控制器106可繼續產生不同函數以涵蓋STA 110A至110C權重及STA 110A至110C候選波束品質之一些或全部可能組合。因此,AP控制器106總共可產生27個不同函數。
另一方面,若總共選擇5個候選波束(例如,STA 110A至110C之前3個候選波束存在重疊,其中(舉例而言)在STA 110A至110C之前3個候選波束之各者中發現相同候選波束,STA 110A之其他2個候選波束不同於STA 110B之前3個候選波束之任一者且不同於STA 110C之前3個候選波束之任一者,且STA 110B之前3個候選波束與STA 110C之前3個候選波束相同),則AP控制器106可產生函數,其中在一給定函數中針對各STA 110A至110C選擇一不同候選波束。舉例而言,候選波束可被稱為候選波束A、B、C、D及E。AP控制器106可產生一個函數,其中STA 110A優先級或權重經施加至候選波束A之波束或通道品質,STA 110B優先級或權重經施加至候選波束D之波束或通道品質,且STA 110C優先級或權重經施加至候選波束E之波束或通道品質,且乘積經加總。AP控制器106亦可產生一第二函數,其中STA 110A優先級或權重經施加至候選波束A之波束或通道品質,STA 110B優先級或權重經施加至候選波束E之波束或通道品質,且STA 110C優先級或權重經施加至候選波束D之波束或通道品質,且乘積經加總。AP控制器106亦可產生一第三函數,其中STA 110A優先級或權重經施加至候選波束B之波束或通道品質,STA 110B優先級或權重經施加至候選波束A之波束或通道品質,且STA 110C優先級或權重經施加至候選波束D之波束或通道品質,且乘積經加總。AP控制器106亦可產生一第四函數,其中STA 110A優先級或權重經施加至候選波束B之波束或通道品質,STA 110B優先級或權重經施加至候選波束A之波束或通道品質,且STA 110C優先級或權重經施加至候選波束E之波束或通道品質,且乘積經加總。AP控制器106可繼續產生不同函數以涵蓋STA 110A至110C權重及STA 110A至110C候選波束品質之一些或全部可能組合,條件係在一給定函數中未重複兩個候選波束品質度量。因此,AP控制器106總共可產生14個不同函數。
一旦產生(若干)函數,AP控制器106便可識別導致最高總和(或第二高總和、第三高總和等)之函數。AP控制器106可識別包含於導致最高總和(或第二高總和、第三高總和等)之函數中之候選波束之組合,且選擇此等候選波束作為待由AP 108A至108I之一或多者用於伺服一分區中之STA 110A至110D之波束。特定言之,AP控制器106可使用具有最高總和(或第二高總和、第三高總和等)之函數針對一分區中之一些或全部STA 110A至110D識別應使用藉由AP 108A至108I之一者選擇為一候選者之哪一波束來伺服各自STA 110A至110D,其中藉由AP控制器106將選擇波束之AP 108A至108I指派為將使用選定波束將下行鏈路通信傳輸至各自STA 110A至110D之AP 108A至108I。舉例而言,若使用候選波束A (其可藉由AP 108B選擇作為伺服STA 110A之一候選者)、候選波束B (其可藉由AP 108C選擇作為伺服STA 110B之一候選者)及候選波束C (其可藉由AP 108A選擇作為伺服STA 110C之一候選者)之波束或通道品質來形成導致最高總和(或第二高總和、第三高總和等)之函數,則AP控制器106可指示AP 108B使用波束A來伺服STA 110A (例如,因為AP 108B選擇波束A作為伺服STA 110A之一候選波束),指示AP 108C使用波束B來伺服STA 110B (例如,因為AP 108C選擇波束B作為伺服STA 110B之一候選波束),且指示AP 108A使用波束C來伺服STA 110C (例如,因為AP 108A選擇波束C作為伺服STA 110C之一候選波束)。
AP控制器106可針對STA 110A至110D之各分區重複此等操作,其中各分區之STA 110A至110D經排程以在不同時槽期間被伺服。因此,AP控制器106可選擇藉由AP 108A至108I選擇用於伺服STA 110A至110D之候選波束之一子集,且向AP 108A至108I通知經選取以伺服STA 110A至110D之波束(例如,下行鏈路波束)。
接著,一些或全部AP 108A至108I可各判定伺服一些或全部STA 110A至110D之一速率。舉例而言,指示使用藉由AP控制器106選擇之一波束來伺服一STA 110A至110D之一AP 108A至108I可使用視情況具有SINR回饋之一波束訓練程序(例如,IEEE 802.11ad之一波束細化程序傳輸程序(BRP-Tx)、NR之接收器tx波束選擇等)來更新選定波束之調變及寫碼方案(MCS)。特定言之,AP 108A至108I可將一或多個下行鏈路導頻信號傳輸至STA 110A至110D,且使用SINR回饋或包含於藉由STA 110A至110D提供之一應答訊息中之其他資料來更新MCS。
視情況,在產生(若干)函數之前,AP控制器106可摒棄具有低於一臨限品質位準之一波束或通道品質之任何候選波束。舉例而言,若藉由一AP 108A至108I選擇之一候選波束具有低於一臨限品質位準之一波束或通道品質,則AP控制器106在判定應使用哪些波束來伺服一分區中之STA 110A至110D時可能不會考量此候選波束。
在進一步實施例中,AP控制器106可執行上文描述之操作以選擇用於伺服STA 110A至110D之候選波束之一子集,從而指示最初選擇子集中之候選波束之AP 108A至108I使用一第一頻率通道經由選定波束傳輸下行鏈路通信。接著,AP控制器106可重複上文描述之操作以選擇用於伺服STA 110A至110D之候選波束之一第二子集,從而指示最初選擇第二子集中之候選波束之AP 108A至108I使用不同於第一頻率通道之一第二頻率通道經由選定波束傳輸下行鏈路通信。AP控制器106可零次或更多次重複此等操作,使得選擇候選波束之不同子集,其中各子集與將經由其傳輸下行鏈路傳輸之一不同頻率通道相關聯。AP控制器106可以使得經選擇以經由一第一頻率通道伺服一STA 110A至110D之一第一波束與經選擇以經由一第二頻率通道伺服相同STA 110A至110D之一第二波束在空間上分離達至少一特定距離同時維持一高SINR的一方式選擇子集。舉例而言,若舉例而言藉由不同AP 108A至108I傳輸兩個波束,則該兩個波束可在空間上分離。特定言之,AP控制器106可將藉由一第一AP 108A至108I傳輸之一第一波束與藉由一第二AP 108A至108I傳輸之一第二波束之間之一空間分離定義為用於下行鏈路傳輸之STA 110A至110D處之到達角(AoAs)之差之一函數。
AP控制器106可基於下行鏈路及/或上行鏈路品質量測將訊務路由至一或多個AP 108A至108I以傳輸至一或多個STA 110A至110D。一下行鏈路(DL)傳輸通常係指從一網路系統(例如,一AP)至一使用者終端機(例如,一STA)之一傳輸。一上行鏈路(UL)傳輸通常係指從使用者終端機至網路系統之一傳輸。
在干擾感知波束成形環境100中,基地台功能性在資料源140、AP控制器106及/或多個遠端無線電單元(RRU) (例如,AP 108A至108I)之間細分。一RRU可包含多個天線,且天線之一或多者可充當一TRP。RRU及/或一TRP可被稱為一伺服節點、一基地台或一存取點。資料源140可諸如經由一光纖連接實體上連接至AP控制器106及/或RRU。資料源140可儲存待傳輸至一或多個STA 110A至110D之資料及/或可儲存及/或處理經由一或多個AP 108A至108I從一或多個STA 110A至110D接收之資料。資料源140及/或AP控制器106可向一RRU提供操作細節以控制來自RRU之信號以及待傳輸之控制資料及有效負載資料之傳輸及接收。RRU可向網路提供從與RRU相關聯之一服務區域內之STA 110A至110D接收之資料。一RRU可向一服務區域內之裝置(例如,STA 110A至110D)提供服務。舉例而言,可藉由一RRU向服務區域提供無線下行鏈路傳輸服務以將資料傳達至服務區域內之一或多個裝置。
AP 108A至108I可各具有各支援一或多個數位基頻之一或多個傳輸天線。在一些實施例中,各AP 108A至108I具有相同數目之傳輸天線。在其他實施例中,一些或全部AP 108A至108I具有與其他AP 108A至108I不同之數目之傳輸天線。因此,AP 108A至108I可共同能夠傳輸N個空間波束,其中N係多點環境100中之AP 108A至108I之數目與藉由一單個AP 108A至108I操作之傳輸天線之數目之乘積。類似地,各AP 108A至108I可具有相同數目或不同數目之接收天線。資料源140、AP控制器106及/或AP 108A至108I在本文中可統稱為一「網路系統」。
各種標準及協定可包含於干擾感知波束成形環境100中以在一基地台(例如,一AP 108)與一無線通信裝置(例如,一STA 110)之間無線地傳達資料。一些無線裝置可經由一實體層使用一正交分頻多工(OFDM)數位調變方案進行通信。OFDM標準及協定可包含第三代合作夥伴計劃(3GPP)長期演進(LTE)、電氣與電子工程師協會(IEEE) 802.16標準(例如,802.16e、802.16m) (其可被稱為WiMAX (微波存取全球互通))及IEEE 802.11標準(其可被稱為Wi-Fi)。在一些系統中,一無線電存取網路(RAN)可包含與一或多個演進節點B (通常亦表示為增強節點B、eNodeB或eNB)、下一代節點B (gNB)或任何其他適合節點B (xNB)相關聯的一或多個基地台。在其他實施例中,無線電網路控制器(RNC)可提供為基地台。一基地台在無線網路與諸如網際網路之一核心網路之間提供一橋接器。可包含基地台以促成無線網路之無線通信裝置之資料之交換。
無線通信裝置可被稱為一站(STA) (例如,用於使用IEEE 802.11標準進行通信之無線通信裝置)。無線通信裝置亦可被稱為一UE (例如,用於在一RAN中通信之無線通信裝置)。STA可係由一使用者使用之一裝置,諸如一智慧型電話、一膝上型電腦、一平板電腦、蜂巢式電話、一可穿戴運算裝置(諸如智慧型眼鏡或一智慧型手錶或一耳機)、一或多個網路設備(例如,消費者網路設備或工業廠房設備)、具有連接能力之一工業機器人、或一車輛。在一些實施方案中,STA可包含經組態以收集資料且將資料無線地提供至連接至諸如網際網路之一核心網路之一裝置(例如,伺服器)的一感測器或其他網路裝置。此等裝置可被稱為物聯網路裝置(IoT裝置)。
AP控制器106可用作一路由器以在資料源140與AP 108A至108I之間路由訊務。AP控制器106可實施相對較少量之緩衝。此可促進AP控制器106以低延時在資料源140與AP 108A至108I之間路由資料。AP控制器106可包含任何適合硬體以實施本文中描述之功能性。
AP 108A至108I可經配置為一陣列。全部AP 108A至108I可連接至AP控制器106。AP 108A至108I可經由有線或無線連接連接至AP控制器106。各AP 108A至108I一次可緩衝相對較低量之資料訊框。舉例而言,在特定應用中,一AP 108A一次可緩衝1或2個資料訊框。訊框可係相對較大訊框。舉例而言,一個訊框可包含100至150個網際網路協定(IP)封包。AP 108A至108I經配置以與STA 110A至110D無線通信。AP 108A至108I可經由諸如無線區域網路(WLAN)鏈路之任何適合無線鏈路進行通信。WLAN信號可具有比蜂巢式信號更短的一信號範圍。在一些例項中,WLAN信號可具有約300英尺或更小之一範圍。在特定應用中,WLAN信號可具有約150英尺或更小之一範圍。一WLAN鏈路之一實例係一Wi-Fi鏈路。可基於一IEEE 802.11標準來實施WLAN鏈路。AP 108A至108I係包含任何適合實體硬體以實施本文中揭示之功能性之網路硬體裝置。儘管出於闡釋性目的參考特定實施例描述AP,然可運用一網路系統之任何其他適合伺服節點來實施參考存取點描述之任何適合原理及優點。可使用符合延時及通量規範之任何適合無線鏈路。Wi-Fi鏈路、毫米波(mmW)無線區域網路(WAN)鏈路及頻率範圍2 (FR2)中之第五代(5G)新無線電(NR)鏈路係此等適合無線鏈路之實例。
在一些實施例中,AP控制器106經程式化以執行本文中描述為藉由AP控制器106執行之一些或全部功能性。類似地,AP 108A至108I、STA 110A至110D及/或資料源140可各經程式化以執行本文中描述為藉由各自組件執行之一些或全部功能性。
在其他實施例中,代替地藉由AP 108A至108I之一或多者執行AP控制器106之一些或全部功能性。舉例而言,一個AP 108A至108I、數個AP 108A至108I組合或全部AP 108A至108I組合可執行本文中描述為藉由AP控制器106執行之一些或全部功能性。在此一實施例中,AP控制器106係選用的且可能不存在。
圖1B係繪示根據一實施例之包含資料源140之一無線網路150之一示意圖。在此實施例中,AP 108A至108I可操作為RRU或伺服節點,且資料源140及/或AP控制器106 (未展示)可在一或多個時槽內及/或在一或多個空間維度內選擇藉由一或多個AP 108A至108I伺服之使用者(例如,STA 110、STA 110接收天線等)。在一些實施例中,資料源140可係一基頻單元。
如圖1B中繪示,資料源140包含使用者資料TX緩衝器112、排程器控制件114、一時間/頻率資源分配區塊116、一現用集及波束管理區塊118、一收發器120、一CSI運算區塊122、一現用集伺服節點更新區塊124、及通道狀態資料儲存器130。資料源140可包含任何適合實體硬體以實施所繪示區塊。舉例而言,資料源140可包含一處理器及電腦可讀儲存裝置以實施圖1B中展示之任何適合區塊。無線網路150亦包含AP 108A至108I、一或多個STA 110及/或AP控制器106 (未展示)。無線網路150視情況包含其他AP 108 (未展示)。
資料源140及/或AP控制器106包含一排程器,該排程器在一或多個時槽內在一或多個空間維度內選擇伺服之使用者,選擇AP 108A至108I以伺服使用者資料,且排程使用者資料以用於在各種空間維度(例如,空間波束、通道等)內在AP 108A至108I與STA 110之間進行無線傳輸。排程器可排程DL資料訊務、UL資料訊務或該兩者。排程器可將來自任何適合數目個AP 108之資料排程至任何適合數目個UE 110。排程器可包含使用者資料佇列TX緩衝器112、排程器控制件114、時間/頻率資源分配區塊116、現用集及波束管理區塊118、CSI運算區塊122、現用集伺服節點更新區塊124、及/或通道狀態資料儲存器130。
收發器120可將從STA 110接收之一STA報告提供至排程器。舉例而言,STA報告可包含空間波束鏈路強度、空間波束鏈路品質及/或適於允許排程器排程DL資料傳輸及/或排程UL資料傳輸之其他CSI。CSI運算區塊122可從STA報告中之資料運算CSI資料。現用集伺服節點更新區塊124可基於藉由(若干)STA 110提供(例如,藉由(若干)STA 110回應於接收DL資料訊務而提供)之經更新鏈路強度資訊而判定一或多個STA 110之一經更新現用集。在一些例項中,現用集伺服節點更新區塊124可針對一STA 110之一或多個天線之一子集判定一經更新現用集。現用集伺服節點更新區塊124可使用本文中揭示之任何適合度量來更新與一STA 110相關聯之一現用集。
將經更新現用集資料提供至排程器控制件114。使用者資料佇列TX緩衝器112可將使用者資料(例如,DL使用者資料)提供至排程器控制件114。排程器控制件114將使用者資料提供至收發器120且亦將指令提供至時間/頻率資源分配區塊116。時間/頻率資源分配區塊116可排程來自及/或至AP 108之DL及/或UL資料傳輸之時序及頻率(例如,產生排程資料),其可經由收發器120及/或AP控制器106轉送至AP 108。此可避免時序衝突及頻域中之衝突。現用集及波束管理區塊118可選擇AP 108及/或藉由此等AP 108提供之特定空間波束以用於向STA 110提供無線傳輸服務,且針對STA 110產生對應現用集。現用集及波束管理區塊118可將DL資料傳輸分組且管理從AP 108至STA 110之波束成形。收發器120提供資料以藉由AP 108傳輸至STA 110。
如圖1B中繪示,排程器可導致無線網路150之一網路系統跨一或多個空間波束或空間維度將第一使用者資料無線地傳輸至一第一STA 110,跨一或多個空間波束或空間維度將第二使用者資料傳輸至一第二STA 110等等。排程器可導致第一使用者資料、第二使用者資料等之傳輸同時及/或在不同時間發生。此外,排程器可導致無線網路150之一網路系統跨藉由一或多個AP 108伺服之一或多個空間波束或空間維度將使用者資料無線地傳輸至任何適合數目個STA 110。
圖2A至圖2C係圖1A之干擾感知波束成形環境100之方塊圖,其等繪示藉由干擾感知波束成形環境100之組件執行以判定用於伺服STA 110A至110B之一下行鏈路波束集(例如,一波束集)之操作。雖然藉由AP 108A至108B執行圖2A至圖2C中描繪之操作,但此不旨在限制。可藉由任何AP 108A至108I執行圖2A至圖2C中描繪之操作。
如圖2A中繪示,AP 108B在(1A)在時間T1
從STA 110A請求上行鏈路導頻且在(1B)在時間T2
從STA 110B請求上行鏈路導頻。舉例而言,可基於AP 108B起始一波束訓練程序而請求上行鏈路導頻。因此,STA 110A可在(2)在時間T1
(或在藉由T1
定義之一時間範圍期間)傳輸一或多個上行鏈路導頻,且STA 110B可在(3)在時間T2
(或在藉由T2
定義之一時間範圍期間)傳輸一或多個上行鏈路導頻。舉例而言,STA 110A至110B可各在T1
或T2
期間或藉由任一時間定義之一時間範圍期間循序地多次傳輸(若干)上行鏈路導頻。
AP 108B可接收(若干)所傳輸上行鏈路導頻信號且在(4)使用從(若干)所傳輸上行鏈路導頻信號導出之資料來判定一候選下行鏈路波束集以伺服STA 110A至110B。舉例而言,AP 108B可針對各所接收上行鏈路導頻信號且針對各STA 110A至110B識別經由其接收到各自上行鏈路導頻信號之一接收波束之通道品質。可藉由AP 108B選擇對應於具有最高通道品質之接收波束之傳輸波束作為一候選下行鏈路波束以伺服STA 110A或110B。
如圖2B中繪示,AP 108A在(5A)將一候選下行鏈路波束集傳輸至AP控制器106。舉例而言,候選下行鏈路波束集可係使用圖2A中描繪之操作選擇之候選者。類似地,AP 108B在(5B)將一候選下行鏈路波束集傳輸至AP控制器106。藉由AP 108A選擇之候選下行鏈路波束集可與藉由AP 108B選擇之候選下行鏈路波束集相同、不同或係其之一組合。事實上,若AP 108A至108B兩者恰巧同時伺服一或多個STA 110A至110D,則無、一些或全部藉由AP 108A選擇之候選下行鏈路波束集可能干擾藉由AP 108B選擇之候選下行鏈路波束集。
AP控制器106可在(6)基於STA 110A及110B之各者之一空間位置將STA 110A及110B分區。舉例而言,STA 110A及110B可在空間上分離(例如,定位成相隔至少一特定距離、定位於一不同空間平面中等),且因此AP控制器106可包含相同分區或群組中之STA 110A及110B。作為另一實例,STA 110A及110B可不在空間上分離(例如,至多定位於彼此之一特定距離內、定位於相同空間平面中等),且因此AP控制器106可包含不同分區或群組中之STA 110A及110B。若STA 110A至110B包含於相同分區或群組中,則AP控制器106可選擇下行鏈路波束以在相同時槽期間伺服STA 110A至110B兩者。否則,若STA 110A至110B包含於不同分區或群組中,則AP控制器106可選擇下行鏈路波束以在不同時槽期間伺服STA 110A至110B。
接著,AP控制器106可在(7)使用所傳輸候選下行鏈路波束集及STA 110A及110B封包優先級來選擇下行鏈路波束以用於伺服STA 110A及/或110B。舉例而言,AP控制器106可識別候選集中之波束之波束或通道品質且定義最大化波束或通道品質之一加權和之一函數,其中藉由用於STA 110A至110B之各種封包之優先級表示權重。AP控制器106可在(8A)將選定下行鏈路波束集之指示傳輸至AP 108A且在(8B)將該指示傳輸至AP 108B。舉例而言,傳輸可包含使AP 108A及/或108B使用最初藉由AP 108A及/或108B選擇為一候選下行鏈路波束之一特定下行鏈路波束將下行鏈路通信傳輸至STA 110A及/或110B的一指令。
如圖2C中繪示,AP 108B可起始一波束訓練程序,在(9A)從STA 110A請求通道品質回饋且在(9B)從STA 110B請求通道品質回饋。舉例而言,請求可係一或多個下行鏈路導頻信號。回應於請求,STA 110A可在(10A)將通道品質回饋傳輸至AP 108B,且STA 110B可在(10B)將通道品質回饋傳輸至AP 108B。舉例而言,可藉由STA 110A至110B在一應答訊息或回應於藉由AP 108B傳輸之一下行鏈路導頻信號而傳輸之另一訊息中提供通道品質回饋。
接著,AP 108B可在(11)使用通道品質回饋來判定用於將下行鏈路傳輸傳輸至STA 110A至110B之一傳輸速率。舉例而言,AP 108B可判定用於下行鏈路傳輸之一MCS。
圖3係描繪根據一項實施例之藉由一AP闡釋性地實施之一下行鏈路波束選擇常式300之一流程圖。作為一實例,一AP 108A至108I可經組態以執行下行鏈路波束選擇常式300。下行鏈路波束選擇常式300從方塊302開始。
在方塊302,從一或多個站請求上行鏈路信號。舉例而言,所請求之上行鏈路信號可係上行鏈路導頻信號,且可藉由起始一波束訓練程序之AP 108A至108I請求上行鏈路導頻信號。
在方塊304,使用上行鏈路信號來判定一候選下行鏈路波束集。舉例而言,候選下行鏈路波束集可包含針對各站之對應於經由其接收到一上行鏈路信號之具有最高波束或通道品質之接收波束之傳輸波束。
在方塊306,將候選下行鏈路波束集提供至一AP控制器。舉例而言,AP控制器可從多個AP 108A至108I接收候選下行鏈路波束集,且可執行仲裁以從該集選擇下行鏈路波束,考量用於(若干)站之封包之緊急性或優先級,若該等下行鏈路波束用於伺服(若干)站,則將減少或最小化干擾。
在方塊308,從AP控制器接收一選定下行鏈路波束集。選定下行鏈路波束集可與使用來自選定集之一或多個下行鏈路波束來伺服一或多個站之一指令一起接收。
在方塊310,針對一或多個站及選定下行鏈路波束集判定一傳輸速率。舉例而言,AP 108A至108I可起始一波束訓練程序以獲取通道品質回饋(例如,SNR、SINR等),且使用通道品質回饋來更新MCS。在判定傳輸速率之後,下行鏈路波束選擇常式300結束。
圖4係描繪根據一項實施例之藉由一AP控制器闡釋性地實施之另一下行鏈路波束選擇常式400之一流程圖。作為一實例,AP控制器106可經組態以執行下行鏈路波束選擇常式400。下行鏈路波束選擇常式400從方塊402開始。
在方塊402,從一或多個AP接收一候選下行鏈路波束集。舉例而言,各AP可選擇其自身候選下行鏈路波束集。在一些情況中,若AP將使用選定下行鏈路波束來伺服STA,則可能發生干擾。
在方塊404,基於一或多個STA之一空間位置而選擇該一或多個STA之一子集。舉例而言,子集可包含空間分離之STA。
在方塊406,基於子集中之STA之各者之下行鏈路波束之一通道品質及封包優先級而選擇該等下行鏈路波束。舉例而言,AP控制器可基於針對各種STA選擇之下行鏈路波束之通道品質及STA之封包優先級而產生一或多個函數。可選擇與產生最高總和之函數相關聯之下行鏈路波束以伺服對應STA。
在方塊408,將選定下行鏈路波束之指示傳輸至一或多個AP。舉例而言,指示可包含使用選定下行鏈路波束之一或多者來伺服一或多個STA的一指令。在傳輸指示之後,下行鏈路波束選擇常式400結束。
圖5係繪示根據一實施例之一例示性基頻單元502及遠端無線電單元590之一方塊圖。基頻單元502之功能性可駐留於一AP 108A至108I中。基頻單元502可與至少一個遠端無線電單元590耦合。遠端無線電單元590可包含用於MIMO無線通信之至少一第一天線596及一第二天線598。本文中揭示之任何天線(諸如天線596或天線598)可被稱為天線元件。第一天線596及第二天線598可與一RF前端594耦合。RF前端594可處理經由第一天線596及第二天線598接收之信號。處理一信號之部分可包含將信號傳輸至包含於BBU 502中之一收發器520。
一處理器505可接收藉由收發器520接收之信號。處理器505可經組態以判定一信號類型。舉例而言,若信號包含對連接服務之一請求,則處理器505可將該信號提供至一現用集選擇器535。現用集選擇器535可經組態以識別伺服節點之一現用集以提供所請求之下行鏈路資料傳輸服務。現用集選擇器535可基於與一STA相關聯之資訊而識別該STA之現用集。替代地或額外地,現用集選擇器535可基於與一或多個其他STA相關聯之資訊而識別一STA之現用集。在一些例項中,現用集選擇器535可識別經選擇以伺服一STA之(若干)特定空間波束。BBU 502可包含一網路監測器525以偵測網路之特性,諸如藉由各RRU伺服之STA之數目、網路資料傳輸負載及/或類似者。現用集選擇器535可從網路監測器525接收網路特性作為在選擇(若干)空間波束來伺服一STA及/或識別一STA之一現用集時考量之一因素。
一波束成形器515可包含於BBU 502中以進一步識別用於包含於一現用集中之伺服節點(例如,RRU)之參數。參數可包含傳輸模式、時間、頻率、功率、波束成形矩陣、色調分配或通道排名之一或多者。波束成形器515可判定與BBU 502耦合之RRU之最佳參數,其等促成下行鏈路資料傳輸之一全網路最佳化。在一些實施方案中,現用集選擇器535部分基於藉由一STA提供之資訊而判定該STA之一現用集。在其他實施方案中,一UE可提供一所請求現用集。BBU 502可包含一現用集仲裁器530以調和一所請求現用集與藉由現用集選擇器535選擇之一現用集。現用集仲裁器530可比較一所請求伺服節點集與藉由現用集選擇器535識別之伺服節點。比較可包含根據STA建議對伺服節點進行排序。在一些實施方案中,現用集仲裁器530可向STA提供指示對一所請求現用集之確認或其他評估之一訊息。舉例而言,若STA請求節點A及B但BBU 502僅在現用集中識別B,則訊息可包含指示現用集之一部分匹配之一程式碼。可包含其他狀態程式碼以促進所請求現用集之有效通信及評估。現用集仲裁器530可額外地或替代地比較一所請求傳輸模式與藉由現用集選擇器535或BBU 502之其他元件識別之傳輸模式。
BBU 502可包含一資料儲存器510。資料儲存器510可包含可藉由處理器505執行以實施本文中描述之特徵之指令。在一些實施方案中,資料儲存器510可留存指派給藉由BBU 502伺服之STA之現用集或其他排程資訊及/或通道狀態資訊。資料儲存器510可藉由STA識別符及/或RRU識別符編入索引。此可加快識別用於STA及用於監測網路狀況之先前傳達排程資訊(例如,分配給一RRU或一RRU之天線元件之STA之數目)。
除將排程資訊提供至STA以外,亦可使用排程資訊來組態RRU 590。組態可包含諸如藉由頻率調變、時間調變、更改來自一電源592之傳輸功率、或調整傳輸之方向、色調分配或波束成形而調整第一天線596。
如上文論述,各種不同STA可與一協作MIMO網路中之伺服節點無線通信。將參考圖6論述一例示性STA。
圖6係根據一實施例之一例示性STA 600之一示意性方塊圖。STA 600經組態用於與一協作MIMO網路中之一基地台無線通信。如圖6中繪示,STA 600包含一處理器640、一使用者介面645、一資料儲存器650、一波束成形器655、天線662及664、一收發器665、一運動偵測器670、一信號品質分析器675及一現用集選擇器680。一些其他STA可包含額外元件及/或圖6中繪示之元件之一子集。
STA 600包含複數個天線662及664。可包含任何適合數目之天線以用於無線通信。STA 600可包含一或多個天線陣列。一射頻(RF)前端660可處理經由天線662及664接收之RF信號。RF前端亦可向天線662及664提供RF信號以進行傳輸。收發器665包含一傳輸器及一接收器。收發器665可提供用於傳輸及接收與天線662及664相關聯之RF信號之處理。舉例而言,在接收到現用集資料後,處理器640可組態收發器665 (例如,接收器)以接收與在現用集資料中識別為經選擇以伺服STA 600之(若干)空間波束相關聯之DL資料。
處理器640與收發器665通信。藉由經配置以執行特定操作以實施與判定經由其傳輸波束導頻及/或使用者資料之空間波束之一鏈路強度有關之功能性的實體硬體實施處理器640。處理器640可根據本文中揭示之任何適合原理及優點來判定鏈路強度,識別提供最佳鏈路強度之一空間波束,及/或產生一或多個訊息以向一伺服節點報告鏈路強度。處理器640可導致儲存並更新現用集及相鄰集資料。處理器640可針對STA 600執行任何其他適合處理。
處理器640可與運動偵測器670及信號品質分析器675通信。因此,處理器640可接收並處理與STA 600之狀況相關聯之資訊。運動偵測器670可包含經配置以偵測與STA 600相關聯之行動性資訊的任何適合硬體。信號品質分析器675可分析藉由天線662及664接收及/或傳輸之信號之品質。此可提供與STA 600之一空間通道狀況相關聯之資訊。可將與STA 600之狀況相關聯之資訊提供至處理器640以提供至(若干)伺服節點。在一些例項中,可藉由處理器640實施運動偵測器670及/或信號品質分析器之一些或全部功能性。
現用集選擇器680係選用的且可識別一或多個伺服節點之一所要現用集。現用集選擇器680可基於與以下一或多者相關聯之資料而選擇所要現用集:現用集中之一或多個伺服節點;相鄰集中之一或多個伺服節點;與UE 600相關聯之行動性資料;與STA 600相關聯之一空間通道狀況;藉由一或多個伺服節點伺服之一或多個空間波束之鏈路強度及/或鏈路品質;或STA 600之一或多個特性。現用集選擇器680可視情況執行現用集管理方案以識別一所要現用集。現用集選擇器680可導致處理器640產生用於傳輸至一伺服節點及/或一BBU之一訊息以請求將一選定空間波束(或若干選定空間波束)添加至STA 600之一現用集(例如,請求可不同於已包含於STA 600之一現用集中之(若干)空間波束的一選定空間波束包含於STA 600之一經更新現用集中)。可藉由專用電路及/或處理器640之電路實施現用集選擇器680。
波束成形器655可針對STA 600執行任何適合波束成形功能性。波束成形器655可設定及/或調整與接收及/或傳輸與STA 600之天線662及664相關聯之信號相關聯之一或多個參數。可藉由專用電路及/或處理器640之電路實施波束成形器655。
STA 640包含一資料儲存器650。資料儲存器650可儲存可藉由處理器640執行以實施本文中描述之特徵之指令。資料儲存器650可儲存STA 600之現用集資料及相鄰集資料。資料儲存器650可儲存空間波束鏈路強度及/或鏈路品質。資料儲存器650可儲存STA 600之任何其他適合資料。資料儲存器650可包含經配置以儲存資料之任何適合記憶體元件。
包含於STA 600中之數個元件可藉由一匯流排690耦合。匯流排690可係使STA 600之各種組件能夠交換資訊之一資料匯流排、通信匯流排、其他匯流排、或其等之任何適合組合。
如圖6中繪示,STA 600亦包含一使用者介面645。使用者介面645可係任何適合使用者介面,諸如一顯示器及/或一音頻組件。在一些例項中,使用者介面645可包含觸控螢幕功能、一按鈕、一旋鈕、一開關或一滑件之一或多者。術語、應用及結論
取決於實施例,本文中描述之程序或演算法之任一者之特定動作、事件或功能可依一不同序列執行,可添加、合併或完全省略(例如,並非全部所描述操作或事件對於演算法之實踐係必需的)。此外,在特定實施例中,可(例如)透過多執行緒處理、中斷處理或多個處理器或處理器內核或在其他平行架構上並行而非循序地執行操作或事件。
除非另外明確陳述,或在如使用之背景內容內以其他方式理解,否則本文中使用之條件語言(諸如「可」、「可能」、「例如」及類似者等等)通常意欲傳達特定實施例包含而其他實施例不包含特定特徵、元件及/或步驟。因此,此條件語言通常不意欲暗示一或多項實施例以任何方式需要特徵、元件及/或步驟或一或多項實施例必然包含用於在具有或不具有其他輸入或提示之情況下決定是否在任何特定實施例中包含或應執行此等特徵、元件及/或步驟的邏輯。術語「包括」、「包含」、「具有」及類似者係同義的且以一開放式方式包含性地使用,且不排除額外元件、特徵、動作、操作等等。此外,字詞「本文中」、「上文」、「下文」及類似含義之字詞當在本申請案中使用時將指代本申請案整體而非本申請案之任何特定部分。在上下文允許之情況下,上述[實施方式]中之使用單數或複數之字詞亦可分別包含複數或單數。再者,術語「或」以其包含意義(而非以其排外意義)使用,使得在舉例而言用於連接一元件清單時,術語「或」意謂清單中之一個、一些或全部元件。
除非另外明確陳述,否則諸如片語「X、Y、Z之至少一者」之轉折語言以其他方式使用背景內容理解為通常用於呈現一品項、術語等可係X、Y或Z或其等之任何組合(例如,X、Y及/或Z)。因此,此轉折語言通常不意欲且不應暗示特定實施例需要X之至少一者、Y之至少一者或Z之至少一者各存在。
除非另外明確陳述,否則諸如「一」或「一個」之冠詞通常應被解釋為包含一或多個所描述品項。因此,諸如「經組態以…之一裝置」之片語意欲包含一或多個所敘述裝置。此一或多個所敘述裝置亦可共同組態以實行所陳述之敘述。舉例而言,「經組態以實行敘述A、B及C之一處理器」可包含結合經組態以實行敘述B及C之一第二處理器工作之經組態以實行敘述A之一第一處理器。
如本文中通常使用之字詞「耦合」指代可彼此直接耦合或藉由一或多個中間元件耦合之兩個或更多個元件。同樣地,如本文中通常使用之字詞「連接」指代可直接連接或藉由一或多個中間元件連接之兩個或更多個元件。
如本文中使用,術語「判定(determine)」或「判定(determining)」涵蓋廣泛多種動作。舉例而言,「判定」可包含在無使用者干預之情況下經由一硬體元件計算、運算、處理、導出、產生、獲取、查找(例如,在一表、一資料庫或另一資料結構中查找)、確定及類似者。再者,「判定」可包含在無使用者干預之情況下經由一硬體元件接收(例如,接收資訊)、存取(例如,存取一記憶體中之資料)及類似者。再者,「判定」可包含在無使用者干預之情況下經由一硬體元件解析、選擇、選取、建立及類似者。
如本文中使用,術語「提供(provide)」或「提供(providing)」涵蓋廣泛多種動作。舉例而言,「提供」可包含將一值儲存於一儲存裝置之一位置以供後續檢索,經由至少一個有線或無線通信媒體將一值直接傳輸至接收者,傳輸或儲存對一值之引用及類似者。「提供」亦可包含經由一硬體元件編碼、解碼、加密、解密、確認、驗證及類似者。
如本文中使用,術語「訊息」涵蓋用於傳達(例如,傳輸或接收)資訊之廣泛多種格式。一訊息可包含資訊之一機器可讀彙總,諸如一XML文件、固定欄位訊息、逗號分離訊息或類似者。在一些實施方案中,一訊息可包含用於傳輸資訊之一或多個表示之一信號。雖然以單數形式敘述,但將瞭解,一訊息可以多個部分組成、傳輸、儲存、接收等。
如本文中使用,一「使用者介面」 (亦被稱為一互動式使用者介面、一圖形使用者介面或一UI)可係指一基於網路之介面,其包含用於接收輸入信號或提供電子資訊及/或用於回應於任何所接收輸入信號將資訊提供至使用者的資料欄位及/或其他控制件。一UI可全部或部分使用諸如超文本標記語言(HTML)、快閃、Java、.net、網路服務及豐富站點概要(RSS)之技術來實施。在一些實施方案中,一UI可包含於經組態以根據所描述態樣之一或多者通信(例如,發送或接收資料)之一獨立用戶端(舉例而言,厚重型用戶端、肥胖型用戶端)中。
如本文中使用,一「傳輸-接收點」 (TRP) (其可替代地被稱為一傳輸接收點)可係指一收發器裝置或包含於一裝置中之一個收發器元件。在包含為一收發器元件時,裝置可包含多個TRP。TRP可包含耦合至信號處理電路之一或多個天線。信號處理電路可包含於裝置中。TRP可包含額外元件以促進一或多個UE之無線信號之傳輸或接收。此等元件之實例可包含一電源、放大器、數位轉類比轉換器、類比轉數位轉換器或類似者。在諸如藉由一BBU分配一TRP以向一UE提供服務時,TRP可據稱係UE之一「伺服節點」。
如本文中使用,一「遠端無線電單元」 (RRU)可係指用於控制及協調一或多個UE之無線信號之傳輸及接收之一裝置。一RRU可包含一或多個TRP或與一或多個TRP耦合。RRU可從TRP接收信號且包含信號處理電路。可選擇性地操作信號處理電路以促進與不同TRP相關聯之信號之處理。
雖然上述[實施方式]已展示、描述且指出如應用於各項實施例之新穎特徵,但可瞭解,可在不脫離本發明之精神之情況下進行所繪示之裝置或演算法之形式及細節之各種省略、置換及改變。舉例而言,可刪除、移動、添加、細分、組合、依一不同順序配置及/或修改本文中描述之電路區塊及/或方法方塊。可以各種不同方式實施此等區塊之各者。可結合儲存於藉由一或多個處理器執行之一非暫時性電腦可讀儲存媒體上之特定指令來執行本文中揭示之方法之任一者之任何部分。如可認識到,本文中描述之特定實施例可在未提供本文中闡述之全部特徵及優點之一形式內體現,此係因為一些特徵可與其他特徵分開使用或實踐。藉由隨附發明申請專利範圍而非藉由前述描述指示本文中揭示之特定實施例之範疇。在發明申請專利範圍之等效之意義及範圍內之全部改變應包含於其等範疇內。
100:干擾感知波束成形環境
106:存取點(AP)控制器
108A:存取點(AP)
108B:存取點(AP)
108C:存取點(AP)
108D:存取點(AP)
108E:存取點(AP)
108F:存取點(AP)
108G:存取點(AP)
108H:存取點(AP)
108I:存取點(AP)
110:站(STA)
110A:站(STA)
110B:站(STA)
110C:站(STA)
110D:站(STA)
112:使用者資料TX緩衝器
114:排程器控制件
116:時間/頻率資源分配區塊
118:現用集及波束管理區塊
120:收發器
122:CSI運算區塊
124:現用集伺服節點更新區塊
130:通道狀態資料儲存器
140:資料源
150:無線網路
300:下行鏈路波束選擇常式
302:方塊
304:方塊
306:方塊
308:方塊
310:方塊
400:下行鏈路波束選擇常式
402:方塊
404:方塊
406:方塊
408:方塊
502:基頻單元
505:處理器
510:資料儲存器
515:波束成形器
520:收發器
525:網路監測器
530:現用集仲裁器
535:現用集選擇器
590:遠端無線電單元
592:電源
594:射頻(RF)前端
596:第一天線
598:第二天線
600:站(STA)
640:處理器
645:使用者介面
650:資料儲存器
655:波束成形器
660:射頻(RF)前端
662:天線
664:天線
665:收發器
670:運動偵測器
675:信號品質分析器
680:現用集選擇器
690:匯流排
現將參考隨附圖式藉由非限制實例描述本發明之實施例。
圖1A係根據一實施例之其中多個STA及AP可彼此通信之一干擾感知波束成形環境之一圖式。
圖1B係繪示根據一實施例之包含資料源之一無線網路之一示意圖。
圖2A至圖2C係圖1A之干擾感知波束成形環境之方塊圖,其等繪示藉由干擾感知波束成形環境之組件執行以判定用於伺服STA之一下行鏈路波束集之操作。
圖3係描繪根據一項實施例之藉由一AP闡釋性地實施之一下行鏈路波束選擇常式之一流程圖。
圖4係描繪根據一項實施例之藉由一AP控制器闡釋性地實施之另一下行鏈路波束選擇常式之一流程圖。
圖5係繪示根據一實施例之一例示性基頻單元及遠端無線電單元之一方塊圖。
圖6係根據一實施例之一例示性STA之一示意性方塊圖。
100:干擾感知波束成形環境
106:存取點(AP)控制器
108A:存取點(AP)
108B:存取點(AP)
108C:存取點(AP)
108D:存取點(AP)
108E:存取點(AP)
108F:存取點(AP)
108G:存取點(AP)
108H:存取點(AP)
108I:存取點(AP)
110A:站(STA)
110B:站(STA)
110C:站(STA)
110D:站(STA)
140:資料源
Claims (21)
- 一種存取點控制器,其包括: 一網路通信裝置;及 一處理器,其與該網路通信裝置通信,其中電腦可執行指令在藉由該處理器執行時導致該存取點控制器: 從一第一存取點獲取第一複數個候選下行鏈路波束; 從一第二存取點獲取第二複數個候選下行鏈路波束; 基於該第一複數個候選下行鏈路波束之一通道品質、該第二複數個候選下行鏈路波束之一通道品質、用於一第一站之一第一封包之一優先級及用於一第二站之一第二封包之一優先級而從該第一複數個候選下行鏈路波束選擇一第一下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第二下行鏈路波束; 指示該第一存取點使用該第一下行鏈路波束來伺服該第一站;及 指示該第二存取點使用該第二下行鏈路波束來伺服該第二站。
- 如請求項1之存取點控制器,其中該等電腦可執行指令在執行時進一步導致該存取點控制器指示該第一存取點在一第一頻率通道上方使用該第一下行鏈路波束來伺服該第一站。
- 如請求項2之存取點控制器,其中該等電腦可執行指令在執行時進一步導致該存取點控制器: 基於該第一複數個候選下行鏈路波束之該通道品質、該第二複數個候選下行鏈路波束之該通道品質、用於該第一站之該第一封包之該優先級及用於該第二站之該第二封包之該優先級而從該第一複數個候選下行鏈路波束選擇一第三下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第四下行鏈路波束; 指示一第三存取點在不同於該第一頻率通道之一第二頻率通道上方使用該第三下行鏈路波束來伺服該第一站;且 指示一第四存取點在該第二頻率通道上方使用該第四下行鏈路波束來伺服該第二站。
- 如請求項3之存取點控制器,其中該第一下行鏈路波束及該第三下行鏈路波束在空間上分離達至少一臨限距離。
- 如請求項1之存取點控制器,其中該等電腦可執行指令在執行時進一步導致該存取點控制器基於該等第一及第二站之空間位置而從複數個站選擇該第一站及該第二站。
- 如請求項5之存取點控制器,其中該等第一及第二站在空間上分離達至少一臨限距離。
- 如請求項1之存取點控制器,其中該等電腦可執行指令在執行時進一步導致該存取點控制器: 基於該第一封包之該優先級與一第三下行鏈路波束之一通道品質之一第一乘積及該第二封包之該優先級與一第四下行鏈路波束之一通道品質之一第二乘積而產生一第一函數; 基於該第一封包之該優先級與該第一下行鏈路波束之一通道品質之一第三乘積及該第二封包之該優先級與該第二下行鏈路波束之一通道品質之一第四乘積而產生一第二函數; 判定該等第三及第四乘積之一總和大於該等第一及第二乘積之一總和;及 基於該等第三及第四乘積之該總和大於該等第一及第二乘積之該總和而選擇該第一下行鏈路波束及該第二下行鏈路波束。
- 如請求項7之存取點控制器,其中藉由該第一存取點選擇該第一下行鏈路波束作為一候選者,且其中藉由一第三存取點選擇該第三下行鏈路波束作為一候選者。
- 如請求項8之存取點控制器,其中該等電腦可執行指令在執行時進一步導致該存取點控制器基於該等第三及第四乘積之該總和大於該等第一及第二乘積之該總和而指示該第一存取點而非該第三存取點使用該第一下行鏈路波束來伺服該第一站。
- 如請求項1之存取點控制器,其中該第一存取點藉由起始一波束訓練程序而選擇該第一複數個候選下行鏈路波束。
- 一種電腦實施方法,其包括: 從一第一存取點獲取第一複數個候選下行鏈路波束; 從一第二存取點獲取第二複數個候選下行鏈路波束; 基於該第一複數個候選下行鏈路波束之一通道品質、該第二複數個候選下行鏈路波束之一通道品質、用於一第一站之一第一封包之一優先級及用於一第二站之一第二封包之一優先級而從該第一複數個候選下行鏈路波束選擇一第一下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第二下行鏈路波束; 指示該第一存取點使用該第一下行鏈路波束來伺服該第一站;及 指示該第二存取點使用該第二下行鏈路波束來伺服該第二站。
- 如請求項11之電腦實施方法,其中指示該第一存取點使用該第一下行鏈路波束來伺服該第一站進一步包括指示該第一存取點在一第一頻率通道上方使用該第一下行鏈路波束來伺服該第一站。
- 如請求項12之電腦實施方法,其進一步包括: 基於該第一複數個候選下行鏈路波束之該通道品質、該第二複數個候選下行鏈路波束之該通道品質、用於該第一站之該第一封包之該優先級及用於該第二站之該第二封包之該優先級而從該第一複數個候選下行鏈路波束選擇一第三下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第四下行鏈路波束; 指示一第三存取點在不同於該第一頻率通道之一第二頻率通道上方使用該第三下行鏈路波束來伺服該第一站;及 指示一第四存取點在該第二頻率通道上方使用該第四下行鏈路波束來伺服該第二站。
- 如請求項13之電腦實施方法,其中該第一下行鏈路波束及該第三下行鏈路波束在空間上分離達至少一臨限距離。
- 如請求項11之電腦實施方法,其進一步包括基於該等第一及第二站之空間位置而從複數個站選擇該第一站及該第二站。
- 如請求項15之電腦實施方法,其中該等第一及第二站在空間上分離達至少一臨限距離。
- 如請求項11之電腦實施方法,其中從該第一複數個候選下行鏈路波束選擇一第一下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第二下行鏈路波束進一步包括: 基於該第一封包之該優先級與一第三下行鏈路波束之一通道品質之一第一乘積及該第二封包之該優先級與一第四下行鏈路波束之一通道品質之一第二乘積而產生一第一函數; 基於該第一封包之該優先級與該第一下行鏈路波束之一通道品質之一第三乘積及該第二封包之該優先級與該第二下行鏈路波束之一通道品質之一第四乘積而產生一第二函數; 判定該等第三及第四乘積之一總和大於該等第一及第二乘積之一總和;及 基於該等第三及第四乘積之該總和大於該等第一及第二乘積之該總和而選擇該第一下行鏈路波束及該第二下行鏈路波束。
- 如請求項17之電腦實施方法,其中藉由該第一存取點選擇該第一下行鏈路波束作為一候選者,且其中藉由一第三存取點選擇該第三下行鏈路波束作為一候選者。
- 如請求項18之電腦實施方法,其中指示該第一存取點伺服該第一站進一步包括基於該等第三及第四乘積之該總和大於該等第一及第二乘積之該總和而指示該第一存取點而非該第三存取點使用該第一下行鏈路波束來伺服該第一站。
- 如請求項11之電腦實施方法,其中該第一存取點藉由起始一波束訓練程序而選擇該第一複數個候選下行鏈路波束。
- 一種非暫時性電腦可讀儲存媒體,其包括電腦可執行指令,其中該等電腦可執行指令在藉由一存取點控制器執行時導致該存取點控制器: 從一第一存取點獲取第一複數個候選下行鏈路波束; 從一第二存取點獲取第二複數個候選下行鏈路波束; 基於該第一複數個候選下行鏈路波束之一通道品質、該第二複數個候選下行鏈路波束之一通道品質、用於一第一站之一第一封包之一優先級及用於一第二站之一第二封包之一優先級而從該第一複數個候選下行鏈路波束選擇一第一下行鏈路波束且從該第二複數個候選下行鏈路波束選擇一第二下行鏈路波束; 指示該第一存取點使用該第一下行鏈路波束來伺服該第一站;及 指示該第二存取點使用該第二下行鏈路波束來伺服該第二站。
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210329486A1 (en) * | 2020-04-15 | 2021-10-21 | XCOM Labs, Inc. | System and method for reducing data packet processing false alarms |
EP4158795A4 (en) * | 2020-05-26 | 2024-06-19 | Xcom Labs, Inc. | BEAMFORMING ACCOUNTING FOR INTERFERENCE |
US11088739B1 (en) * | 2020-08-11 | 2021-08-10 | Sprint Communications Company L.P. | Wireless communication through a physical barrier using beamforming power control |
WO2023153970A1 (en) * | 2022-02-14 | 2023-08-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna system for industrial environment |
Family Cites Families (494)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7012883B2 (en) | 2001-11-21 | 2006-03-14 | Qualcomm Incorporated | Rate selection for an OFDM system |
JP2003235072A (ja) * | 2002-02-06 | 2003-08-22 | Ntt Docomo Inc | 無線リソース割当て方法、無線リソース割当て装置及び移動通信システム |
US6636568B2 (en) | 2002-03-01 | 2003-10-21 | Qualcomm | Data transmission with non-uniform distribution of data rates for a multiple-input multiple-output (MIMO) system |
US6801580B2 (en) | 2002-04-09 | 2004-10-05 | Qualcomm, Incorporated | Ordered successive interference cancellation receiver processing for multipath channels |
US7184713B2 (en) | 2002-06-20 | 2007-02-27 | Qualcomm, Incorporated | Rate control for multi-channel communication systems |
US20040121730A1 (en) | 2002-10-16 | 2004-06-24 | Tamer Kadous | Transmission scheme for multi-carrier MIMO systems |
US6873606B2 (en) | 2002-10-16 | 2005-03-29 | Qualcomm, Incorporated | Rate adaptive transmission scheme for MIMO systems |
US6928062B2 (en) | 2002-10-29 | 2005-08-09 | Qualcomm, Incorporated | Uplink pilot and signaling transmission in wireless communication systems |
US7042857B2 (en) | 2002-10-29 | 2006-05-09 | Qualcom, Incorporated | Uplink pilot and signaling transmission in wireless communication systems |
US7039001B2 (en) | 2002-10-29 | 2006-05-02 | Qualcomm, Incorporated | Channel estimation for OFDM communication systems |
US7236535B2 (en) | 2002-11-19 | 2007-06-26 | Qualcomm Incorporated | Reduced complexity channel estimation for wireless communication systems |
US7095790B2 (en) | 2003-02-25 | 2006-08-22 | Qualcomm, Incorporated | Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation |
US7668125B2 (en) | 2003-09-09 | 2010-02-23 | Qualcomm Incorporated | Incremental redundancy transmission for multiple parallel channels in a MIMO communication system |
US8908496B2 (en) | 2003-09-09 | 2014-12-09 | Qualcomm Incorporated | Incremental redundancy transmission in a MIMO communication system |
US6917821B2 (en) | 2003-09-23 | 2005-07-12 | Qualcomm, Incorporated | Successive interference cancellation receiver processing with selection diversity |
US7508748B2 (en) | 2003-10-24 | 2009-03-24 | Qualcomm Incorporated | Rate selection for a multi-carrier MIMO system |
US7145940B2 (en) | 2003-12-05 | 2006-12-05 | Qualcomm Incorporated | Pilot transmission schemes for a multi-antenna system |
US8391413B2 (en) | 2003-12-19 | 2013-03-05 | Qualcomm Incorporated | Channel estimation for an OFDM communication system with inactive subbands |
US8077691B2 (en) | 2004-03-05 | 2011-12-13 | Qualcomm Incorporated | Pilot transmission and channel estimation for MISO and MIMO receivers in a multi-antenna system |
US8457152B2 (en) | 2004-07-16 | 2013-06-04 | Qualcomm Incorporated | Multiple modulation schemes in single rate layering wireless communication systems |
US7940663B2 (en) | 2004-07-20 | 2011-05-10 | Qualcomm Incorporated | Mitigating ACK/NACK errors in MIMO/SIC/HARQ |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US7567621B2 (en) | 2004-07-21 | 2009-07-28 | Qualcomm Incorporated | Capacity based rank prediction for MIMO design |
US7418046B2 (en) | 2004-07-22 | 2008-08-26 | Qualcomm Inc. | Pilot transmission and channel estimation for multiple transmitters |
US7974359B2 (en) | 2004-12-22 | 2011-07-05 | Qualcomm Incorporated | Methods and apparatus for mitigating multi-antenna correlation effect in communication systems |
US20060203794A1 (en) | 2005-03-10 | 2006-09-14 | Qualcomm Incorporated | Systems and methods for beamforming in multi-input multi-output communication systems |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US7725799B2 (en) | 2005-03-31 | 2010-05-25 | Qualcomm Incorporated | Power savings in hierarchically coded modulation |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
US8842693B2 (en) | 2005-05-31 | 2014-09-23 | Qualcomm Incorporated | Rank step-down for MIMO SCW design employing HARQ |
US8971461B2 (en) | 2005-06-01 | 2015-03-03 | Qualcomm Incorporated | CQI and rank prediction for list sphere decoding and ML MIMO receivers |
US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
US7428269B2 (en) | 2005-06-01 | 2008-09-23 | Qualcomm Incorporated | CQI and rank prediction for list sphere decoding and ML MIMO receivers |
US20070071147A1 (en) | 2005-06-16 | 2007-03-29 | Hemanth Sampath | Pseudo eigen-beamforming with dynamic beam selection |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8077654B2 (en) | 2005-08-22 | 2011-12-13 | Qualcomm Incorporated | Auxiliary FL MIMO pilot transmission in 1XEV-DO |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US8073068B2 (en) | 2005-08-22 | 2011-12-06 | Qualcomm Incorporated | Selective virtual antenna transmission |
US8094595B2 (en) | 2005-08-26 | 2012-01-10 | Qualcomm Incorporated | Method and apparatus for packet communications in wireless systems |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
US8139672B2 (en) | 2005-09-23 | 2012-03-20 | Qualcomm Incorporated | Method and apparatus for pilot communication in a multi-antenna wireless communication system |
US8385433B2 (en) | 2005-10-27 | 2013-02-26 | Qualcomm Incorporated | Linear precoding for spatially correlated channels |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US7948959B2 (en) | 2005-10-27 | 2011-05-24 | Qualcomm Incorporated | Linear precoding for time division duplex system |
JP2009514400A (ja) | 2005-10-27 | 2009-04-02 | クゥアルコム・インコーポレイテッド | 無線通信システムにおける、セグメントに応答するスケジューリングのためのプレコーディング |
US20070165738A1 (en) | 2005-10-27 | 2007-07-19 | Barriac Gwendolyn D | Method and apparatus for pre-coding for a mimo system |
US8760994B2 (en) | 2005-10-28 | 2014-06-24 | Qualcomm Incorporated | Unitary precoding based on randomized FFT matrices |
US8107517B2 (en) | 2005-12-09 | 2012-01-31 | Qualcomm Incorporated | Average-tap energy based thresholding for channel estimation in multi antenna systems |
US9461736B2 (en) | 2006-02-21 | 2016-10-04 | Qualcomm Incorporated | Method and apparatus for sub-slot packets in wireless communication |
CA2641935C (en) | 2006-02-21 | 2015-01-06 | Qualcomm Incorporated | Feedback channel design for multiple-input multiple-output communication systems |
BRPI0712926B1 (pt) | 2006-06-13 | 2019-11-12 | Qualcomm Inc | estrutura de preâmbulo e aquisição para um sistema de comunicação sem fio |
HUE043935T2 (hu) | 2006-06-13 | 2019-09-30 | Qualcomm Inc | Fordított irányú összeköttetés teljesítményvezérlése vezeték nélküli kommunikációs rendszerekben |
WO2007146930A2 (en) | 2006-06-13 | 2007-12-21 | Qualcomm Incorporated | Reverse link pilot transmission for a wireless communication system |
US20080025241A1 (en) | 2006-07-28 | 2008-01-31 | Naga Bhushan | Method and apparatus for broadcast multicast service in an ultra mobile broadband network |
US8014331B2 (en) | 2006-07-28 | 2011-09-06 | Qualcomm Incorporated | Method and apparatus for using a MAC protocol for broadcast |
US8229423B2 (en) | 2006-08-22 | 2012-07-24 | Qualcomm Incorporated | Broadcast and multicast services in wireless communication systems |
US8457221B2 (en) | 2006-09-08 | 2013-06-04 | Qualcomm Incorporated | Signaling transmission with localized spreading for wireless communication |
US7903615B2 (en) | 2006-10-10 | 2011-03-08 | Qualcomm Incorporated | Space division multiple access channelization in wireless communication systems |
EP2082514B1 (en) | 2006-10-24 | 2013-02-13 | QUALCOMM Incorporated | Acknowledgement channel for wireless communications |
US8391196B2 (en) | 2006-10-26 | 2013-03-05 | Qualcomm Incorporated | Dynamic power amplifier backoff using headroom information |
US8885744B2 (en) | 2006-11-10 | 2014-11-11 | Qualcomm Incorporated | Providing antenna diversity in a wireless communication system |
US8385465B2 (en) | 2008-03-29 | 2013-02-26 | Qualcomm Incorporated | Transmitter chain timing and transmit power control |
US8331892B2 (en) | 2008-03-29 | 2012-12-11 | Qualcomm Incorporated | Method and system for DC compensation and AGC |
US8451740B2 (en) | 2008-04-01 | 2013-05-28 | Qualcomm Incorporated | Compensating for drifts occurring during sleep times in access terminals |
US8340605B2 (en) | 2008-08-06 | 2012-12-25 | Qualcomm Incorporated | Coordinated transmissions between cells of a base station in a wireless communications system |
US9755705B2 (en) | 2008-08-07 | 2017-09-05 | Qualcomm Incorporated | Method and apparatus for supporting multi-user and single-user MIMO in a wireless communication system |
US9521554B2 (en) | 2008-08-15 | 2016-12-13 | Qualcomm Incorporated | Adaptive clustering framework in frequency-time for network MIMO systems |
US10028332B2 (en) | 2008-08-15 | 2018-07-17 | Qualcomm, Incorporated | Hierarchical clustering framework for inter-cell MIMO systems |
US8331310B2 (en) | 2008-08-22 | 2012-12-11 | Qualcomm Incorporated | Systems and methods employing multiple input multiple output (MIMO) techniques |
US8498647B2 (en) | 2008-08-28 | 2013-07-30 | Qualcomm Incorporated | Distributed downlink coordinated multi-point (CoMP) framework |
US20100067422A1 (en) | 2008-09-12 | 2010-03-18 | Qualcomm Incorporated | Apparatus and methods for controlling a sleep mode in a wireless device |
US8576760B2 (en) | 2008-09-12 | 2013-11-05 | Qualcomm Incorporated | Apparatus and methods for controlling an idle mode in a wireless device |
US8169933B2 (en) * | 2008-09-30 | 2012-05-01 | Spidercloud Wireless, Inc. | Dynamic topological adaptation |
US8432821B2 (en) | 2008-10-02 | 2013-04-30 | Qualcomm Incorporated | Method and apparatus for cooperation strategy selection in a wireless communication system |
US8654705B2 (en) | 2008-10-24 | 2014-02-18 | Qualcomm Incorporated | System and method for supporting multiple reverse link data streams |
US8654715B2 (en) | 2008-10-24 | 2014-02-18 | Qualcomm Incorporated | Systems and methods providing mobile transmit diversity |
US8675511B2 (en) | 2008-12-10 | 2014-03-18 | Qualcomm Incorporated | List elimination for distributed downlink coordinated multi-point (CoMP) framework |
US8787183B2 (en) | 2009-01-06 | 2014-07-22 | Qualcomm Incorporated | Method and apparatus for channel estimation using multiple description codes |
US20130336193A1 (en) | 2012-06-19 | 2013-12-19 | Qualcomm Incorporated | Network information for assisting user equipment |
US8306096B2 (en) | 2009-06-26 | 2012-11-06 | Qualcomm Incorporated | Interference reduction using variable digital-to-analog converter (DAC) sampling rates |
US8351456B2 (en) | 2009-06-29 | 2013-01-08 | Qualcomm Incorporated | Method and apparatus for radio filtering in a multi-radio device |
US9185718B2 (en) | 2009-06-29 | 2015-11-10 | Qualcomm Incorporated | Centralized coexistence manager for controlling operation of multiple radios |
US9161232B2 (en) | 2009-06-29 | 2015-10-13 | Qualcomm Incorporated | Decentralized coexistence manager for controlling operation of multiple radios |
US20110007688A1 (en) | 2009-07-09 | 2011-01-13 | Qualcomm Incorporated | Method and apparatus for event prioritization and arbitration in a multi-radio device |
US8605729B2 (en) | 2009-07-09 | 2013-12-10 | Qualcomm Incorporated | Method and apparatus for OIS protection in a wireless communication system |
US20110007680A1 (en) | 2009-07-09 | 2011-01-13 | Qualcomm Incorporated | Sleep mode design for coexistence manager |
US8886126B2 (en) | 2009-07-09 | 2014-11-11 | Qualcomm Incorporated | Resolution algorithms for multi-radio coexistence |
US8379705B2 (en) | 2009-08-04 | 2013-02-19 | Qualcomm Incorporated | Hierarchical feedback of channel state information for wireless communication |
US20110032849A1 (en) * | 2009-08-07 | 2011-02-10 | Fimax Technology Limited | Systems and methods for mitigating interference between access points |
US8588801B2 (en) | 2009-08-21 | 2013-11-19 | Qualcomm Incorporated | Multi-point equalization framework for coordinated multi-point transmission |
US9961579B2 (en) | 2009-10-01 | 2018-05-01 | Qualcomm Incorporated | Scalable channel feedback for wireless communication |
US8781005B2 (en) | 2009-10-01 | 2014-07-15 | Qualcomm Incorporated | Scalable quantization of channel state information for MIMO transmission |
US8614981B2 (en) | 2010-01-29 | 2013-12-24 | Qualcomm Incorporated | Reporting of channel information to support coordinated multi-point data transmission |
US10389479B2 (en) | 2010-01-29 | 2019-08-20 | Qualcomm Incorporated | Method and apparatus for signaling expansion and backward compatibility preservation in wireless communication systems |
US20120026940A1 (en) | 2010-02-02 | 2012-02-02 | Qualcomm Incorporated | Radio reporting set and backhaul reporting set construction for coordinated multi-point communication |
US9161233B2 (en) | 2010-03-30 | 2015-10-13 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
US8634435B2 (en) | 2010-03-30 | 2014-01-21 | Qualcomm Incorporation | Short term policy creation and execution of policy executed between communication events of a radio access technology within a coexistence manager hardware/software implementation |
US8825860B2 (en) | 2010-03-30 | 2014-09-02 | Qualcomm, Incorporated | Method and apparatus to facilitate voice activity detection and coexistence manager decisions |
US20120077532A1 (en) | 2010-03-30 | 2012-03-29 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
US20120113906A1 (en) | 2010-03-30 | 2012-05-10 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
US8848607B2 (en) | 2010-03-30 | 2014-09-30 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
US9282462B2 (en) | 2010-03-31 | 2016-03-08 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
US8724545B2 (en) | 2010-03-31 | 2014-05-13 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
US10911961B2 (en) | 2010-03-31 | 2021-02-02 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
US9485069B2 (en) | 2010-04-15 | 2016-11-01 | Qualcomm Incorporated | Transmission and reception of proximity detection signal for peer discovery |
US8812657B2 (en) | 2010-04-15 | 2014-08-19 | Qualcomm Incorporated | Network-assisted peer discovery |
US8526347B2 (en) | 2010-06-10 | 2013-09-03 | Qualcomm Incorporated | Peer-to-peer communication with symmetric waveform for downlink and uplink |
US10250678B2 (en) | 2010-07-07 | 2019-04-02 | Qualcomm Incorporated | Hybrid modes for peer discovery |
US9136953B2 (en) | 2010-08-03 | 2015-09-15 | Qualcomm Incorporated | Interference estimation for wireless communication |
US9185720B2 (en) | 2010-08-04 | 2015-11-10 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
US8923208B2 (en) | 2010-08-05 | 2014-12-30 | Qualcomm Incorporated | Multi-radio coexistence |
US9277564B2 (en) | 2010-08-05 | 2016-03-01 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
US9113488B2 (en) | 2010-08-13 | 2015-08-18 | Qualcomm Incorporated | Multi-radio coexistence of a broadband radio and a broadcast stream receiver that receives broadcast stream data |
US20120213303A1 (en) | 2010-08-17 | 2012-08-23 | Qualcomm Incorporated | Compatible subset generation to facilitate multi-radio coexistence |
US8675560B2 (en) | 2010-09-03 | 2014-03-18 | Qualcomm Incorporated | UE receiver reference signal processing that utilizes resource partitioning information |
US8886239B2 (en) | 2010-09-21 | 2014-11-11 | Qualcomm Incorporated | Buffer status report control for creating transmission gaps |
US9398602B2 (en) | 2010-09-22 | 2016-07-19 | Qualcomm Incorporated | Multi-radio coexistence |
US8897220B2 (en) | 2010-09-22 | 2014-11-25 | Qualcomm Incorporated | Multi-radio coexistence |
US8655400B2 (en) | 2010-09-22 | 2014-02-18 | Qualcomm Incorporated | Reduced transmit power for wireless radio coexistence |
US20150139015A1 (en) | 2010-09-22 | 2015-05-21 | Qualcomm Incorporated | LTE Band Avoidance for RF Coexistence Interference |
US8817924B2 (en) | 2010-09-23 | 2014-08-26 | Qualcomm Incorporated | Iterative pilot tone cancellation for improved channel estimation and decoding |
US9451480B2 (en) | 2010-09-28 | 2016-09-20 | Qualcomm Incorporated | Methods and apparatus for power management in a wireless communication system |
US8576742B2 (en) | 2010-10-06 | 2013-11-05 | Qualcomm Incorporated | Dynamic switching between common reference signal interference cancellation and resource element puncturing in a co-channel heterogeneous network |
US8830934B2 (en) | 2010-12-10 | 2014-09-09 | Qualcomm Incorporated | Configurable filter for multi-radio interference mitigation |
US9578649B2 (en) | 2011-01-20 | 2017-02-21 | Qualcomm Incorporated | Method and apparatus to facilitate support for multi-radio coexistence |
US20120201158A1 (en) | 2011-02-03 | 2012-08-09 | Qualcomm Incorporated | Peer-to-peer / wan association control and resource coordination for mobile entities using aggregate neighborhood utility metrics |
US8855000B2 (en) | 2011-04-28 | 2014-10-07 | Qualcomm Incorporated | Interference estimation using data traffic power and reference signal power |
US9144084B2 (en) | 2011-06-13 | 2015-09-22 | Qualcomm Incorporated | Multi-radio coexistence |
US20120314655A1 (en) | 2011-06-13 | 2012-12-13 | Qualcomm Incorporated | Data transmission and reception with harq and network coding |
US9154179B2 (en) | 2011-06-29 | 2015-10-06 | Qualcomm Incorporated | Receiver with bypass mode for improved sensitivity |
US9237434B2 (en) | 2011-07-13 | 2016-01-12 | Qualcomm Incorporated | Network-assisted peer discovery with network coding |
US9497765B2 (en) | 2011-08-17 | 2016-11-15 | Qualcomm Incorporated | Network coordination for improved interference cancellation |
US20130058276A1 (en) | 2011-09-07 | 2013-03-07 | Qualcomm Incorporated | Method and apparatus for signaling side information for network coding in a wireless communication network |
US8879445B2 (en) | 2011-10-26 | 2014-11-04 | Qualcomm Incorporated | Mitigating impact of power imbalance on remote data rate in wireless local area network |
US9585156B2 (en) | 2011-11-14 | 2017-02-28 | Qualcomm Incorporated | Supporting different LTE-TDD configurations in neighboring regions and/or adjacent carriers |
US8897181B2 (en) | 2011-12-15 | 2014-11-25 | Qualcomm Incorporated | Multi-radio coexistence |
US20130194948A1 (en) | 2012-01-27 | 2013-08-01 | Qualcomm Incorporated | Methods for indicating backhaul relay geometry |
US8976662B2 (en) | 2012-02-09 | 2015-03-10 | Qualcomm Incorporated | Apparatus and method for opportunistic relay association |
US9143957B2 (en) | 2012-02-24 | 2015-09-22 | Qualcomm Incorporated | Mitigating cross-device interference |
CN103297991B (zh) * | 2012-03-02 | 2017-12-19 | 中兴通讯股份有限公司 | 一种增强小区边缘覆盖的方法和装置 |
US9172402B2 (en) | 2012-03-02 | 2015-10-27 | Qualcomm Incorporated | Multiple-input and multiple-output carrier aggregation receiver reuse architecture |
KR102140298B1 (ko) * | 2012-03-27 | 2020-07-31 | 삼성전자주식회사 | 무선 통신 시스템에서 빔 정보 송신 방법 및 장치 |
US9265047B2 (en) | 2012-04-04 | 2016-02-16 | Qualcomm Incorporated | Procedures to activate opportunistic relays |
US9107056B2 (en) | 2012-04-18 | 2015-08-11 | Qualcomm Incorporated | Small cell activation procedure |
WO2013158934A1 (en) | 2012-04-18 | 2013-10-24 | Qualcomm Incorporated | Multi-radio coexistence |
US9973923B2 (en) | 2012-04-18 | 2018-05-15 | Qualcomm Incorporated | Small cell activation procedure |
US9867194B2 (en) | 2012-06-12 | 2018-01-09 | Qualcomm Incorporated | Dynamic UE scheduling with shared antenna and carrier aggregation |
US20130336249A1 (en) | 2012-06-15 | 2013-12-19 | Qualcomm Incorporated | Apparatus and methods for resource element group based traffic to pilot ratio aided signal processing |
US9071315B2 (en) | 2012-06-29 | 2015-06-30 | Qualcomm Incorporated | Interference signal diversity combining for interference cancellation |
US9210605B2 (en) | 2012-06-29 | 2015-12-08 | Qualcomm Incorporated | Channel state information reporting for partially cancelled interference |
US9474051B2 (en) | 2012-07-19 | 2016-10-18 | Qualcomm Incorporated | Ordering and processing of interfering channels for reduced complexity implementation |
US20140023001A1 (en) | 2012-07-20 | 2014-01-23 | Qualcomm Incorporated | Apparatuses and methods of detection of interfering cell communication protocol usage |
US20140029456A1 (en) | 2012-07-27 | 2014-01-30 | Qualcomm Incorporated | INTERFERENCE ESTIMATION IN THE PRESENCE OF ePDCCH TRANSMISSIONS |
US9253658B2 (en) | 2012-08-01 | 2016-02-02 | Qualcomm Incorporated | Management of uncoordinated interference |
US20140071894A1 (en) | 2012-09-13 | 2014-03-13 | Qualcomm Incorporated | Variable block length and superposition coding for hybrid automatic repeat request |
US9270441B2 (en) | 2012-10-24 | 2016-02-23 | Qualcomm Incorporated | Method and apparatus for improving resource usage in communication networks using interference cancelation |
US10841037B2 (en) | 2013-01-22 | 2020-11-17 | Qualcomm Incorporated | Managing interference in a network |
US20140219243A1 (en) | 2013-02-07 | 2014-08-07 | Qualcomm Incorporated | Apparatus and methods of joint transmit power and resource management |
US20140219117A1 (en) | 2013-02-07 | 2014-08-07 | Qualcomm Incorporated | Apparatus and method for inter cell interference coordination |
US10182404B2 (en) | 2013-03-06 | 2019-01-15 | Qualcomm Incorporated | Transmit power calibration for matching the coverage of different radio technologies on a common radio node |
US20140273884A1 (en) | 2013-03-13 | 2014-09-18 | Qualcomm Incorporated | Wlan diversity/mimo using shared antenna |
US9503915B2 (en) * | 2013-03-15 | 2016-11-22 | Aruba Networks, Inc. | Dynamic beamforming configuration based on network conditions |
US20140301309A1 (en) | 2013-04-08 | 2014-10-09 | Qualcomm Incorporated | Low complexity blind detection of transmission parameters of interferers |
US10278177B2 (en) | 2013-09-04 | 2019-04-30 | Qualcomm Incorporated | Opportunistic carrier aggregation framework for efficient LTE operation in unlicensed spectrum |
US10979203B2 (en) | 2013-09-04 | 2021-04-13 | Qualcomm Incorporated | Channel selection to reduce interference to a wireless local area network from a cellular network |
US20150063150A1 (en) | 2013-09-04 | 2015-03-05 | Qualcomm Incorporated | Measurement reporting in unlicensed spectrum |
US20150063151A1 (en) | 2013-09-04 | 2015-03-05 | Qualcomm Incorporated | Opportunistic supplemental downlink in unlicensed spectrum |
US20150085686A1 (en) | 2013-09-26 | 2015-03-26 | Qualcomm Incorporated | Scheduling based on signal quality measurements |
US10009053B2 (en) | 2013-09-27 | 2018-06-26 | Qualcomm Incorporated | Measurement and signaling for network assistance to enable data-IC in small cell clusters |
US10375711B2 (en) | 2013-11-12 | 2019-08-06 | Qualcomm Incorporated | Methods for LTE channel selection in unlicensed bands |
US9924368B2 (en) | 2013-12-11 | 2018-03-20 | Qualcomm Incorporated | Apparatus and methods for cellular communications over unused unlicenced spectrum |
US20150163823A1 (en) | 2013-12-11 | 2015-06-11 | Qualcomm Incorporated | Interference classification-based carrier sense adaptive transmission (csat) in unlicensed spectrum |
US10772092B2 (en) | 2013-12-23 | 2020-09-08 | Qualcomm Incorporated | Mixed numerology OFDM design |
US10044438B2 (en) | 2014-02-17 | 2018-08-07 | Qualcomm, Incorporated | Carrier sense adaptive transmission (CSAT) measurements in shared spectrum |
US20150282077A1 (en) | 2014-03-28 | 2015-10-01 | Qualcomm Incorporated | Optimizing resource usage based on channel conditions and power consumption |
US9474075B2 (en) | 2014-03-28 | 2016-10-18 | Qualcomm Incorporated | Operation mode adaptation based on hardware and channel condition constraints |
US9351307B2 (en) | 2014-03-31 | 2016-05-24 | Qualcomm Incorporated | CSI report with different receiver capabilities |
KR102171561B1 (ko) * | 2014-04-07 | 2020-10-29 | 삼성전자주식회사 | 빔포밍 기반 셀룰러 시스템의 상향링크 빔 추적 방법 및 장치 |
US9750014B2 (en) | 2014-04-22 | 2017-08-29 | Qualcomm Incorporated | Interlaced carrier sense adaptive transmission (CSAT) co-existence in shared spectrum |
US20150319702A1 (en) | 2014-05-02 | 2015-11-05 | Qualcomm Incorporated | Configuration of uplink open loop power control parameters |
US20150350919A1 (en) | 2014-05-27 | 2015-12-03 | Qualcomm Incorporated | Adaptation of enhanced inter-cell interference coordination configuration |
US9571249B2 (en) * | 2014-07-29 | 2017-02-14 | Aruba Networks, Inc. | Dynamic control of channel sounding for transmit beamforming |
US9900074B2 (en) | 2014-08-12 | 2018-02-20 | Qualcomm Incorporated | CSI request procedure in LTE/LTE-A with unlicensed spectrum |
KR20160028091A (ko) * | 2014-09-02 | 2016-03-11 | 주식회사 케이티 | Ap 장치 및 이에 의한 서비스 제공 방법,및 ap 컨트롤러 및 이에 의한 ap 장치의 관리 방법 |
US10149318B2 (en) | 2014-09-02 | 2018-12-04 | Qualcomm Incorporated | Techniques for transmitting and receiving downlink control information for a set of NOMA downlink transmissions |
US9882623B2 (en) | 2014-09-18 | 2018-01-30 | Qualcomm Incorporated | Dual thread feedback design for non-orthogonal channels |
US11109376B2 (en) | 2014-09-22 | 2021-08-31 | Qualcomm Incorporated | Structured channel rasters for unlicensed spectrum |
US20160095039A1 (en) | 2014-09-26 | 2016-03-31 | Qualcomm Incorporated | Transmission puncturing for co-existence on a shared communication medium |
US20160095040A1 (en) | 2014-09-26 | 2016-03-31 | Qualcomm Incorporated | Transmission power reduction for co-existence on a shared communication medium |
US10149293B2 (en) | 2014-10-16 | 2018-12-04 | Qualcomm Incorporated | Transmission preemption for enhanced component carriers |
US10700830B2 (en) | 2014-10-21 | 2020-06-30 | Qualcomm Incorporated | Techniques for conveying identification information in a preamble transmission |
US10123323B2 (en) | 2014-10-24 | 2018-11-06 | Qualcomm Incorporated | Dynamic uplink/downlink frame structure for enhanced component carriers |
US10219292B2 (en) | 2014-10-24 | 2019-02-26 | Qualcomm Incorporated | Flexible multiplexing and feedback for variable transmission time intervals |
US9693323B2 (en) | 2014-10-27 | 2017-06-27 | Qualcomm Incorporated | Multi-channel CSI feedback for LTE/LTE-A with unlicensed spectrum |
US10021677B2 (en) | 2014-10-31 | 2018-07-10 | Qualcomm Incorporated | Two-stage PDCCH with DCI flag and DCI format size indicator |
US20160128130A1 (en) | 2014-10-31 | 2016-05-05 | Qualcomm Incorporated | Mixed-mode medium access control (mac) on a shared communication medium |
US10143005B2 (en) | 2014-11-07 | 2018-11-27 | Qualcomm Incorporated | Uplink control resource allocation for dynamic time-division duplex systems |
WO2016074185A1 (en) | 2014-11-13 | 2016-05-19 | Qualcomm Incorporated | Standalone carrier sense adaptive transmission (csat) in unlicensed spectrum |
US10484135B2 (en) | 2014-12-15 | 2019-11-19 | Qualcomm Incorporated | Mitigation of bursty interference |
US9942801B2 (en) | 2014-12-15 | 2018-04-10 | Qualcomm Incorporated | Techniques for reserving a channel of a radio frequency spectrum |
US10085283B2 (en) | 2014-12-31 | 2018-09-25 | Qualcomm Incorporated | Antenna subset and directional channel access in a shared radio frequency spectrum band |
US9992004B2 (en) | 2015-02-03 | 2018-06-05 | Qualcomm Incorporated | Code block cluster level HARQ |
US10270579B2 (en) | 2015-02-05 | 2019-04-23 | Qualcomm Incorporated | Efficient ACK/NACK transmission |
US10893509B2 (en) | 2015-02-11 | 2021-01-12 | Qualcomm Incorporated | Multiple tri-state HARQ processes |
US10136452B2 (en) | 2015-02-24 | 2018-11-20 | Qualcomm Incorporated | Enhanced PRACH for standalone contention based communications including unlicensed spectrum |
US9954668B2 (en) | 2015-03-23 | 2018-04-24 | Qualcomm Incorporated | Co-existence system synchronization on a shared communication medium |
US9780847B2 (en) | 2015-03-27 | 2017-10-03 | Qualcomm Incorporated | Channel feedback design for frequency selective channels |
US9877203B2 (en) | 2015-05-07 | 2018-01-23 | Qualcomm Incorporated | Channel feedback reporting for shared frequency spectrum |
US10285117B2 (en) | 2015-05-21 | 2019-05-07 | Qualcomm Incorporated | Techniques for coexistence between enhanced component carrier communications and non-enhanced component carrier communications |
US20160353482A1 (en) | 2015-05-27 | 2016-12-01 | Qualcomm Incorporated | Reservation coordination in a shared communication medium |
US10200904B2 (en) | 2015-06-24 | 2019-02-05 | Qualcomm Incorporated | Techniques for transmitting on multiple carriers of a shared radio frequency spectrum band |
US20160381673A1 (en) | 2015-06-25 | 2016-12-29 | Qualcomm Incorporated | Memory management for reception of wireless communications |
US9991989B2 (en) | 2015-06-26 | 2018-06-05 | Qualcomm Incorporated | Soft hybrid automatic repeat request |
US10341884B2 (en) | 2015-07-07 | 2019-07-02 | Qualcomm Incorporated | Channel clearance techniques using shared radio frequency spectrum band |
US10397796B2 (en) | 2015-07-08 | 2019-08-27 | Qualcomm Incorporated | Over-the-air signaling for an increased reuse factor in a shared radio frequency spectrum band |
US9929835B2 (en) | 2015-07-10 | 2018-03-27 | Qualcomm Incorporated | Techniques for synchronizing and desynchronizing contention for access to a plurality of channels |
US20170026976A1 (en) | 2015-07-20 | 2017-01-26 | Qualcomm Incorporated | Flexible coding schemes |
US20170041766A1 (en) | 2015-08-05 | 2017-02-09 | Qualcomm Incorporated | Media access control segmentation and packet data convergence protocol delivery notification with enhanced component carriers |
US10397754B2 (en) | 2015-08-06 | 2019-08-27 | Qualcomm Incorporation | Packet data convergence protocol reordering with enhanced component carriers |
US10201014B2 (en) | 2015-08-12 | 2019-02-05 | Qualcomm Incorporated | Contention-based co-existence on a shared communication medium |
US10291379B2 (en) | 2015-08-12 | 2019-05-14 | Qualcomm Incorporated | Contention-based co-existence on a shared communication medium |
US10091789B2 (en) | 2015-08-19 | 2018-10-02 | Qualcomm, Incorporated | Re-contention-based co-existence on a shared communication medium |
US10542541B2 (en) | 2015-08-19 | 2020-01-21 | Qualcomm, Incorporated | Re-contention-based co-existence on a shared communication medium |
US10356816B2 (en) | 2015-08-19 | 2019-07-16 | Qualcomm Incorporated | Re-contention-based co-existence on a shared communication medium |
US10219300B2 (en) | 2015-08-19 | 2019-02-26 | Qualcomm Incorporated | Enhanced channel reservation for co-existence on a shared communication medium |
US10299284B2 (en) | 2015-08-31 | 2019-05-21 | Qualcomm, Incorporated | Inter-access terminal unblocking and enhanced contention for co-existence on a shared communication medium |
US10374777B2 (en) | 2015-08-31 | 2019-08-06 | Qualcomm Incorporated | Control signaling in a shared communication medium |
US10334546B2 (en) | 2015-08-31 | 2019-06-25 | Qualcomm Incorporated | Synchronization signaling coordination for co-existence on a shared communication medium |
US9936400B2 (en) | 2015-09-12 | 2018-04-03 | Qualcomm Incorporated | Channel selection in a shared communication medium |
US9788361B2 (en) | 2015-09-18 | 2017-10-10 | Qualcomm Incorporated | Setting transmission parameters in a shared communication medium |
US10257851B2 (en) | 2015-09-24 | 2019-04-09 | Qualcomm Incorporated | Channel configuration for co-existence on a shared communication medium |
US10492220B2 (en) | 2015-09-30 | 2019-11-26 | Qualcomm Incorporated | Opportunistic extended channel uplink grants for ECC |
US10333668B2 (en) | 2015-10-05 | 2019-06-25 | Qualcomm Incorporated | Enhanced component carrier discovery reference signals |
US10044459B2 (en) | 2015-11-04 | 2018-08-07 | Qualcomm Incorporated | Uplink control signaling on a shared communication medium |
US10292093B2 (en) | 2015-11-10 | 2019-05-14 | Qualcomm Incorporated | Communicating subframe timing of an access point on a shared communication medium |
US10645679B2 (en) | 2015-11-18 | 2020-05-05 | Qualcomm Incorporated | Hybrid automatic repeat request (HARQ) payload mapping for short physical uplink control channel (PUCCH) on a shared communication medium |
US10368348B2 (en) | 2015-11-18 | 2019-07-30 | Qualcomm Incorporated | Physical control channel signaling on a shared communication medium |
US10368372B2 (en) | 2016-01-12 | 2019-07-30 | Qualcomm Incorporated | Listen-before-talk techniques for uplink transmissions |
US10219252B2 (en) | 2016-01-15 | 2019-02-26 | Qualcomm Incorporated | Shortened control channel resource mapping |
US10098140B2 (en) | 2016-01-27 | 2018-10-09 | Qualcomm Incorporated | Channel reservation techniques for unlicensed spectrum |
US11296837B2 (en) | 2016-01-28 | 2022-04-05 | Qualcomm Incorporated | Physical broadcast channel (PBCH) transmission and reception on a shared communication medium |
US10485027B2 (en) | 2016-02-02 | 2019-11-19 | Qualcomm Incorporated | Uplink short transmission techniques using contention-based radio frequency spectrum |
US10687288B2 (en) | 2016-02-02 | 2020-06-16 | Qualcomm Incorporated | Synchronization across transmitting nodes using shared radio frequency spectrum |
US10264541B2 (en) | 2016-02-02 | 2019-04-16 | Qualcomm Incorporated | Operating mode coordination on a shared communication medium |
US10368305B2 (en) | 2016-03-25 | 2019-07-30 | Qualcomm Incorporated | Automatic network selection for multefire |
US10034269B2 (en) | 2016-04-18 | 2018-07-24 | Qualcomm Incorporated | Enhanced discontinuous reception design for a shared frequency band |
US10631331B2 (en) | 2016-04-22 | 2020-04-21 | Qualcomm Incorporated | Frame structure signaling for multefire |
US10349404B2 (en) | 2016-04-22 | 2019-07-09 | Qualcomm Incorporated | Discovery reference signal transmission and decoding and measurement techniques in a wireless communication system |
US10616912B2 (en) | 2016-04-22 | 2020-04-07 | Qualcomm Incorporated | Uplink payload determination and uplink grant indication for multefire |
US20170332338A1 (en) | 2016-05-10 | 2017-11-16 | Qualcomm Incorporated | Synchronization techniques for multiple nodes in a wireless communications system |
US10516618B2 (en) | 2016-06-10 | 2019-12-24 | Qualcomm Incorporated | Preamble design on a shared communication medium |
US10477526B2 (en) | 2016-06-10 | 2019-11-12 | Qualcomm Incorporated | Uplink procedures on a shared communication medium |
US10524279B2 (en) | 2016-07-22 | 2019-12-31 | Qualcomm Incorporated | Joint comp with multiple operators |
US10602545B2 (en) | 2016-07-26 | 2020-03-24 | Qualcomm Incorporated | Cooperative hidden node identification and management |
US10681733B2 (en) | 2016-07-26 | 2020-06-09 | Qualcomm Incorporated | License assisted request-to-send and clear-to-send transmission |
US10952142B2 (en) | 2016-08-16 | 2021-03-16 | Qualcomm Incorporated | Energy-efficient paging in wireless networks |
US10887941B2 (en) | 2016-08-18 | 2021-01-05 | Qualcomm Incorporated | Retaining access to a shared radio frequency spectrum band during an uplink control portion of a transmission structure |
US10405242B2 (en) | 2016-08-19 | 2019-09-03 | Qualcomm Incorporated | Robust channel reservation on a shared communication medium |
US10554539B2 (en) | 2016-08-22 | 2020-02-04 | Qualcomm Incorporated | Communicating control information for independent links |
US20180062801A1 (en) | 2016-08-24 | 2018-03-01 | Qualcomm Incorporated | Techniques for wireless communications in coordinated multi-point operation |
US10536195B2 (en) | 2016-08-26 | 2020-01-14 | Qualcomm Incorporated | Overlapping cluster architecture for coordinated multipoint (CoMP) |
US10542436B2 (en) | 2016-09-02 | 2020-01-21 | Qualcomm Incorporated | Unlicensed spectrum operation for narrowband internet of things and enhanced machine type communication |
US10631173B2 (en) | 2016-09-02 | 2020-04-21 | Qualcomm Incorporated | Radio (NR) procedures for shared spectrum |
US10218406B2 (en) | 2016-09-02 | 2019-02-26 | Qualcomm Incorporated | Narrowband communication for different device capabilities in unlicensed spectrum |
US10834757B2 (en) | 2016-09-15 | 2020-11-10 | Qualcomm Incorporated | Methods and apparatus for channel reservation |
US10484878B2 (en) | 2016-09-16 | 2019-11-19 | Qualcomm Incorporated | Mixed-access mode communication for standalone operation on a shared communication medium |
US10542556B2 (en) | 2016-09-23 | 2020-01-21 | Qualcomm Incorporated | Modulation and coding scheme (MCS) and/or rank selection in coordinated multi-point (CoMP) communication |
US10244399B2 (en) | 2016-09-30 | 2019-03-26 | Qualcomm Incorporated | Signature sequence-based signaling and allocation of resources of a shared spectrum |
US10257848B2 (en) | 2016-10-04 | 2019-04-09 | Qualcomm Incorporated | Directional channel reservation for time-division multiplexing downlink and uplink data burst transmission |
US10033558B2 (en) | 2016-10-04 | 2018-07-24 | Qualcomm Incorporated | Inter-eNB over-the-air calibration for reciprocity-based coordinated multipoint communications |
US10425945B2 (en) | 2016-10-11 | 2019-09-24 | Qualcomm Incorporated | Multi-stage channel reservation signal for directional transmission and reception |
US10536944B2 (en) | 2016-10-12 | 2020-01-14 | Qualcomm Incorporated | Techniques for contending for access to a radio frequency spectrum band using a coordinated listen before talk procedure |
US11716751B2 (en) | 2016-10-19 | 2023-08-01 | Qualcomm Incorporated | Techniques for new radio frame structures for data transmission |
US10448296B2 (en) | 2016-10-24 | 2019-10-15 | Qualcomm Incorporated | Coding of handover messages between nodes of different radio access technologies |
US10206117B2 (en) | 2016-10-26 | 2019-02-12 | Qualcomm Incorporated | Radio shared spectrum access procedures |
US10547494B2 (en) | 2016-10-31 | 2020-01-28 | Qualcomm Incorporated | Unlicensed spectrum coverage enhancement for industrial internet of things |
US10893523B2 (en) | 2016-11-02 | 2021-01-12 | Qualcomm Incorporated | Wireless communication between wideband ENB and narrowband UE |
US10506629B2 (en) | 2016-11-02 | 2019-12-10 | Qualcomm Incorporated | Beam refinement reference signal enhancement for higher mobility support |
US10187900B2 (en) | 2016-11-04 | 2019-01-22 | Qualcomm Incorporated | Interference management with coloring concept |
US10609664B2 (en) | 2016-11-04 | 2020-03-31 | Qualcomm Incorporated | Techniques and apparatuses for frequency division multiplexing (FDM) based medium access on shared spectrum |
US10455455B2 (en) | 2016-11-04 | 2019-10-22 | Qualcomm Incorporated | Techniques for reservation preamble for prioritized medium contention in a new radio shared spectrum communication system |
US10715301B2 (en) | 2016-11-07 | 2020-07-14 | Qualcomm Incorporated | Radio-spectrum sharing (NR-SS) in frequency-division duplexing (FDD) spectrum |
US10327241B2 (en) | 2016-11-07 | 2019-06-18 | Qualcomm Incorporated | Solving deafness in directional clear channel assessment (CCA) |
US10581568B2 (en) | 2016-11-11 | 2020-03-03 | Qualcomm Incorporated | Network discovery and synchronization for NR-SS |
US10548020B2 (en) | 2016-11-14 | 2020-01-28 | Qualcomm Incorporated | Techniques for selectively adjusting wireless communication parameters based on aggregated interference from listen-before-talk wireless devices |
US10645590B2 (en) | 2016-11-16 | 2020-05-05 | Qualcomm Incorporated | Self-contained transmissions for machine type communications |
US10362574B2 (en) | 2016-11-18 | 2019-07-23 | Qualcomm Incorporated | Uplink resource allocation techniques for shared radio frequency spectrum |
US10674389B2 (en) | 2016-12-01 | 2020-06-02 | Qualcomm Incorporated | Access terminal radio link monitoring (RLM) on a shared communication medium |
US10638444B2 (en) | 2016-12-01 | 2020-04-28 | Qualcomm Incorporated | Positioning techniques for wireless communications devices using shared radio frequency spectrum |
US10356626B2 (en) | 2016-12-06 | 2019-07-16 | Qualcomm Incorporated | Opportunistic reclaiming of resources in new radio-spectrum sharing (NR-SS) |
US10820316B2 (en) | 2016-12-08 | 2020-10-27 | Qualcomm Incorporated | Coordinated slotted medium access for shared spectrum new radio |
US10536966B2 (en) | 2016-12-09 | 2020-01-14 | Qualcomm Incorporated | Physical downlink control channel and hybrid automatic repeat request feedback for multefire coverage enhancement |
US10856185B2 (en) | 2016-12-09 | 2020-12-01 | Qualcomm Incorporated | Channel reservation signals for new radio interference management |
US10779320B2 (en) | 2016-12-16 | 2020-09-15 | Qualcomm Incorporated | Channel reservation signal with new radio PDCCH waveform |
US10581572B2 (en) | 2016-12-16 | 2020-03-03 | Qualcomm Incorporated | Autonomous uplink transmissions on a shared communication medium |
US10425826B2 (en) | 2016-12-21 | 2019-09-24 | Qualcomm Incorporated | Autonomous uplink (UL)/downlink (DL) transmission in new radio-spectrum sharing (NR-SS) |
CN108282869A (zh) * | 2017-01-05 | 2018-07-13 | 华为技术有限公司 | 通信方法、网络设备、及终端设备 |
US10231131B2 (en) | 2017-01-13 | 2019-03-12 | Qualcomm Incorporated | Autonomous uplink (UL) transmission in new radio-spectrum sharing (NR-SS) |
US10470048B2 (en) | 2017-01-17 | 2019-11-05 | Qualcomm Incorporated | Dynamic time-division duplexing (TDD) in new radio-spectrum sharing (NR-SS) and self-contained subframe structure |
US10638431B2 (en) | 2017-01-20 | 2020-04-28 | Qualcomm Incorporated | Power control for coordinated multipoint joint transmission |
US10327261B2 (en) | 2017-01-26 | 2019-06-18 | Qualcomm Incorporated | Directional listen before talk scheme |
US11096181B2 (en) | 2017-01-30 | 2021-08-17 | Qualcomm Incorporated | Monitoring interference level to selectively control usage of a contention-based protocol |
US11310695B2 (en) | 2017-02-03 | 2022-04-19 | Qualcomm Incorporated | Multi-subframe discovery reference signaling (DRS) measurement timing configuration (DMTC) window |
US10659102B2 (en) | 2017-02-04 | 2020-05-19 | Qualcomm Incorporated | Synchronization techniques using frequency hopping in unlicensed radio frequency spectrum |
US11057926B2 (en) | 2017-02-04 | 2021-07-06 | Qualcomm Incorporated | Physical uplink shared channel coverage enhancements |
US11032718B2 (en) | 2017-02-06 | 2021-06-08 | Qualcomm Incorporated | Optimizing millimeter wave beam searching |
US10772113B2 (en) | 2017-02-06 | 2020-09-08 | Qualcomm Incorporated | Autonomous uplink transmission techniques using shared radio frequency spectrum |
US10231132B2 (en) | 2017-02-10 | 2019-03-12 | Qualcomm Incorporated | Reservation signal design for spectrum sharing |
EP3583722A4 (en) | 2017-02-16 | 2020-12-16 | QUALCOMM Incorporated | DETERMINATION OF AVERAGE DELAY OF DMRS AND DELAY SPREAD DURING REGULAR PRECODING |
US10404434B2 (en) | 2017-02-21 | 2019-09-03 | Qualcomm Incorporated | Discovery and random access for shared spectrum |
US10667288B2 (en) | 2017-02-21 | 2020-05-26 | Qualcomm Incorporated | Techniques for configuring or transmitting grantless transmissions on beams in uplink subframes |
JP6813386B2 (ja) * | 2017-02-21 | 2021-01-13 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America | 基地局制御装置及び位置推定方法 |
US10368301B2 (en) | 2017-02-21 | 2019-07-30 | Qualcomm Incorporated | Multi-beam and single-beam discovery reference signals for shared spectrum |
US10333595B2 (en) | 2017-02-21 | 2019-06-25 | Qualcomm Incorporated | Reference signal and Tx/Rx precoding for UE multiplexing in NR SS |
US10700802B2 (en) | 2017-02-21 | 2020-06-30 | Qualcomm Incorporated | Variable length reference signaling for fast acquisition in shared spectrum |
US10405262B2 (en) | 2017-02-21 | 2019-09-03 | Qualcomm Incorporated | Techniques for signaling a public land mobile network identifier over a shared radio frequency spectrum band |
US10225818B2 (en) | 2017-02-22 | 2019-03-05 | Qualcomm Incorporated | Paging user equipments on a shared communication medium |
US10477437B2 (en) | 2017-02-27 | 2019-11-12 | Qualcomm Incorporated | Node-specific medium reservation for spectrum sharing |
US10681723B2 (en) | 2017-02-27 | 2020-06-09 | Qualcomm Incorporated | Technique for HARQ, multiplexing, and contention |
US10405335B2 (en) | 2017-03-01 | 2019-09-03 | Qualcomm Incorporated | Soft channel reservation |
US10638517B2 (en) | 2017-03-06 | 2020-04-28 | Qualcomm Incorporated | Channel reservation signal design for shared spectrum |
US10411795B2 (en) | 2017-03-14 | 2019-09-10 | Qualcomm Incorporated | Coverage enhancement mode switching for wireless communications using shared radio frequency spectrum |
US10555203B2 (en) | 2017-03-22 | 2020-02-04 | Qualcomm Incorporated | Channel reservation techniques for millimeter wave systems |
US10667244B2 (en) | 2017-03-23 | 2020-05-26 | Qualcomm Incorporated | Techniques and apparatuses for waveform signaling for downlink communications |
US10716013B2 (en) | 2017-03-24 | 2020-07-14 | Qualcomm Incorporated | Beam refinement for millimeter wave (MMW) system |
US10484934B2 (en) | 2017-03-24 | 2019-11-19 | Qualcomm Incorporated | Network discovery for wireless communications |
US10925048B2 (en) | 2017-03-30 | 2021-02-16 | Qualcomm Incorporated | Control resource set for single-carrier waveform |
US11032808B2 (en) | 2017-03-30 | 2021-06-08 | Qualcomm Incorporated | Frequency hopping for control resource set with single carrier waveform |
US10623163B2 (en) | 2017-03-31 | 2020-04-14 | Qualcomm Incorporated | Coexistence of control resource sets with different waveforms |
US11469945B2 (en) | 2017-04-03 | 2022-10-11 | Qualcomm Incorporated | Dynamic bandwidth configuration in narrowband communication |
US10548153B2 (en) | 2017-04-04 | 2020-01-28 | Qualcomm Incorporated | Methods and apparatus for supporting frequency division multiplexing of multiple waveforms |
US11063800B2 (en) | 2017-04-04 | 2021-07-13 | Qualcomm Incorporated | Synchronization signaling supporting multiple waveforms |
US10484992B2 (en) | 2017-04-05 | 2019-11-19 | Qualcomm Incorporated | Channel reservation for multi-user scheduling |
US10511399B2 (en) | 2017-04-07 | 2019-12-17 | Qualcomm Incorporated | Techniques and apparatuses for downlink control channel design using a top to bottom search space |
US10462676B2 (en) | 2017-04-10 | 2019-10-29 | Qualcomm Incorporated | Inter-operator SRS resource coordination in SDM-comp |
US10433179B2 (en) | 2017-04-12 | 2019-10-01 | Qualcomm Incorporated | Spatial-division multiple access (SDMA) across multiple operators |
US10547422B2 (en) | 2017-04-13 | 2020-01-28 | Qualcomm Incorporated | SRS transmission with implied RTS/CTS |
US10897326B2 (en) | 2017-04-14 | 2021-01-19 | Qualcomm Incorporated | Sharing a single coreset bandwidth across multiple user equipments |
US10484954B2 (en) | 2017-05-10 | 2019-11-19 | Qualcomm Incorporated | Synchronization for wideband coverage enhancement |
US10298289B2 (en) | 2017-04-19 | 2019-05-21 | Qualcomm Incorporated | Synchronization and paging channel design for wireless communications |
US10609660B2 (en) | 2017-04-19 | 2020-03-31 | Qualcomm Incorporated | Synchronization for wideband coverage enhancement |
US10721774B2 (en) | 2017-04-24 | 2020-07-21 | Qualcomm Incorporated | Frequency hopping configuration for a multi-tone physical random access channel transmission |
US10575185B2 (en) | 2017-04-27 | 2020-02-25 | Qualcomm Incorporated | Spectrum renting negotiation |
US10595342B2 (en) | 2017-05-01 | 2020-03-17 | Qualcomm Incorporated | Simultaneous reception sweep and transmission in a full-duplex node |
US10764840B2 (en) | 2017-05-05 | 2020-09-01 | Qualcomm Incorporated | Sounding reference signal (SRS) coordination, power control, and synchronization for distributed coordinated multipoint (CoMP) |
US10404509B2 (en) | 2017-05-11 | 2019-09-03 | Qualcomm Incorporated | Slot structure design using guard intervals in a single carrier waveform |
US10455457B2 (en) | 2017-05-24 | 2019-10-22 | Qualcomm Incorporated | NR-SS unified operation mode in coordinated and uncoordinated bands |
US10687359B2 (en) | 2017-05-25 | 2020-06-16 | Qualcomm Incorporated | System acquisition in a shared radio frequency spectrum band |
US10541851B2 (en) | 2017-05-25 | 2020-01-21 | Qualcomm Incorporated | Synchronization signal block signaling for wireless communications in shared spectrum |
US10904908B2 (en) | 2017-06-01 | 2021-01-26 | Qualcomm Incorporated | Grantless uplink transmission for eMTC-U |
US10701644B2 (en) | 2017-06-06 | 2020-06-30 | Qualcomm Incorporated | Enhanced macro diversity in new radio (NR) |
US10405228B2 (en) | 2017-06-08 | 2019-09-03 | Qualcomm Incorporated | System information block providing cell access information supporting wideband coverage enhancement in wireless communication networks |
US10484935B2 (en) | 2017-06-12 | 2019-11-19 | Qualcomm Incorporated | Discovery for spectrum renting |
US11051263B2 (en) | 2017-06-15 | 2021-06-29 | Qualcomm Incorporated | Synchronization channel and system acquisition for internet of things communications in a shared spectrum |
US10700910B2 (en) | 2017-06-16 | 2020-06-30 | Qualcomm Incorporated | Single carrier waveform data transmission and reception based on configurable DFT window |
US10602543B2 (en) | 2017-06-23 | 2020-03-24 | Qualcomm Incorporated | Asynchronous channel reservation design with partial symbol alignment |
US10856296B2 (en) | 2017-06-28 | 2020-12-01 | Qualcomm Incorporated | Techniques and apparatuses for determining channels for frequency hopping in an unlicensed radio frequency spectrum band |
US10574422B2 (en) | 2017-06-30 | 2020-02-25 | Qualcomm Incorporated | Rate control adaptation |
US10687219B2 (en) | 2017-07-05 | 2020-06-16 | Qualcomm Incorporated | Uplink transmission techniques in shared spectrum wireless communications |
US10701717B2 (en) | 2017-07-05 | 2020-06-30 | Qualcomm Incorporated | Coexistence of autonomous and grant based uplink transmissions |
US10638371B2 (en) | 2017-07-06 | 2020-04-28 | Qualcomm Incorporated | Universal reservation signal for medium sharing |
US10673674B2 (en) | 2017-07-12 | 2020-06-02 | Qualcomm Incorporated | Techniques and apparatuses for multiplexing schemes for millimeter wave downlink single carrier waveforms |
US11025403B2 (en) | 2017-07-12 | 2021-06-01 | Qualcomm Incorporated | Frame structure dependent configuration of physical channels |
US10700907B2 (en) | 2017-07-12 | 2020-06-30 | Qualcomm Incorporated | Waveform for millimeter wave new radio |
US10848251B2 (en) | 2017-07-14 | 2020-11-24 | Qualcomm Incorporated | Channel quality measurement in unlicensed deployments |
US11122566B2 (en) | 2017-07-20 | 2021-09-14 | Qualcomm Incorporated | Waveform design based on power spectral density (PSD) parameters |
US10694493B2 (en) | 2017-07-24 | 2020-06-23 | Qualcomm Incorporated | Paging and DRX enhancements for eMTC-U (IOT-U) |
US11064424B2 (en) | 2017-07-25 | 2021-07-13 | Qualcomm Incorporated | Shared spectrum synchronization design |
US10959267B2 (en) | 2017-07-28 | 2021-03-23 | Qualcomm Incorporated | RACH configurations for NR shared spectrum |
US11252645B2 (en) | 2017-07-28 | 2022-02-15 | Qualcomm Incorporated | DMTC window reservation signal in NR shared spectrum |
US10798602B2 (en) | 2017-07-31 | 2020-10-06 | Qualcomm Incorporated | Radio resource management and radio link monitoring for enhanced machine type communication in shared spectrum |
US10484959B2 (en) | 2017-07-31 | 2019-11-19 | Qualcomm Incorporated | Positioning techniques in wireless communication systems |
US10616737B2 (en) | 2017-07-31 | 2020-04-07 | Qualcomm Incorporated | Enhanced machine type communications physical uplink control channel design |
US10687356B2 (en) | 2017-08-08 | 2020-06-16 | Qualcomm Incorporated | Channel reservation signal in NR shared spectrum |
US10917918B2 (en) | 2017-08-15 | 2021-02-09 | Qualcomm Incorporated | EMTC-U-UCI reporting procedures and enhancements |
US11051175B2 (en) | 2017-08-18 | 2021-06-29 | Qualcomm Incorporated | Uplink transmission techniques in shared spectrum wireless communications |
US10772125B2 (en) | 2017-08-28 | 2020-09-08 | Qualcomm Incorporated | Systems and methods for a spatial listen-before-talk protocol |
US10813136B2 (en) | 2017-08-30 | 2020-10-20 | Qualcomm Incorporated | Dual connectivity with a network that utilizes an unlicensed frequency spectrum |
US20190075597A1 (en) | 2017-09-01 | 2019-03-07 | Qualcomm Incorporated | Methods, apparatuses and systems for supporting long term channel sensing in shared spectrum |
US10985897B2 (en) | 2017-09-11 | 2021-04-20 | Qualcomm Incorporated | Methods and apparatus for dynamic time-division duplexing (TDD) |
US10904773B2 (en) | 2017-09-12 | 2021-01-26 | Qualcomm Incorporated | Beam management techniques in millimeter wave systems |
US10986665B2 (en) | 2017-09-15 | 2021-04-20 | Qualcomm Incorporated | Quasi-colocation for LBT |
US11012922B2 (en) | 2017-09-18 | 2021-05-18 | Qualcomm Incorporated | Common search space design for coverage enhancement in wireless communications |
US10523300B2 (en) | 2017-09-19 | 2019-12-31 | Qualcomm Incorporated | Beam refinement techniques in millimeter wave systems |
US10652914B2 (en) | 2017-09-20 | 2020-05-12 | Qualcomm Incorporated | CSI-RS scrambling of subframes in a multi-subframe DRS |
US10511987B2 (en) | 2017-09-20 | 2019-12-17 | Qualcomm Incorporated | Methods and apparatus related to enhanced machine type communication |
US11683833B2 (en) | 2017-09-28 | 2023-06-20 | Qualcomm Incorporated | Spatial listen-before-talk (LBT) with channel variation consideration |
US10925090B2 (en) | 2017-09-29 | 2021-02-16 | Qualcomm Incorporated | On-demand listen-before-talk |
US11064518B2 (en) | 2017-09-29 | 2021-07-13 | Qualcomm Incorporated | Asynchronous single beam directional listen-before-talk |
US11019605B2 (en) | 2017-09-29 | 2021-05-25 | Qualcomm Incorporated | Reservation repetition for deafness avoidance |
US10959105B2 (en) | 2017-09-29 | 2021-03-23 | Qualcomm Incorporated | Methods, apparatuses and systems for configuring bandwidth parts in shared spectrum |
US11102815B2 (en) | 2017-10-02 | 2021-08-24 | Qualcomm Incorporated | Asynchronous spatial LBT |
US11064439B2 (en) | 2017-10-09 | 2021-07-13 | Qualcomm Incorporated | Asynchronous carrier aggregation |
US10841805B2 (en) | 2017-10-10 | 2020-11-17 | Qualcomm Incorporated | Inter-operator coordination for channel access in shared spectrum |
US10728928B2 (en) | 2017-10-11 | 2020-07-28 | Qualcomm Incorporated | Random backoff process for spatial listen-before-talk (LBT) |
US10932282B2 (en) | 2017-10-11 | 2021-02-23 | Qualcomm Incorporated | Scheduling timeline in new radio-spectrum sharing (NR-SS) |
US10674498B2 (en) | 2017-10-12 | 2020-06-02 | Qualcomm Incorporated | Accelerated cell activation in wireless communication |
US10856300B2 (en) | 2017-10-17 | 2020-12-01 | Qualcomm Incorporated | Per-TTI rank control within transmission opportunity for downlink comp |
US10631261B2 (en) | 2017-10-19 | 2020-04-21 | Qualcomm Incorporated | Legacy compatible primary synchronization signal / secondary synchronization signal design for coverage extended and cost-reduced user equipment |
US10736112B2 (en) | 2017-10-19 | 2020-08-04 | Qualcomm Incorporated | Common search space scrambling for MulteFire coverage enhancement |
US11115924B2 (en) | 2017-10-19 | 2021-09-07 | Qualcomm Incorporated | Methods and apparatus for transmission and detection of multi-band wake-up |
US10945288B2 (en) | 2017-10-23 | 2021-03-09 | Qualcomm Incorporated | Reservation and challenge schemes for listen-before-talk |
US10652854B2 (en) | 2017-10-30 | 2020-05-12 | Qualcomm Incorporated | Paging super frame window for narrowband communications using the unlicensed spectrum |
US10959263B2 (en) | 2017-11-03 | 2021-03-23 | Qualcomm Incorporated | Listen before talk for millimeter wave multi-user multiple-input multiple-output communications |
US11678333B2 (en) | 2017-11-03 | 2023-06-13 | Qualcomm Incorporated | Methods and apparatus for bandwidth part enhancement |
US11006415B2 (en) | 2017-11-07 | 2021-05-11 | Qualcomm Incorporated | Channel list signaling |
US10834782B2 (en) | 2017-11-07 | 2020-11-10 | Qualcomm Incorporated | Techniques for low-band anchored high-band connections in wireless communications |
US10772110B2 (en) | 2017-11-07 | 2020-09-08 | Qualcomm Incorporated | Universal channel reservation signal for medium sharing |
US11324047B2 (en) | 2017-11-10 | 2022-05-03 | Qualcomm Incorporated | NR-unlicensed transmission opportunity structure with flexible starting point |
US10674449B2 (en) | 2017-11-13 | 2020-06-02 | Qualcomm Incorporated | Signal for a synchronized communication system operating in a shared spectrum frequency band |
US10879954B2 (en) | 2017-11-14 | 2020-12-29 | Qualcomm Incorporated | Logical channel hopping sequence design |
US10965514B2 (en) | 2017-11-17 | 2021-03-30 | Qualcomm Incorporated | Training field assisted medium sensing across multiple radio access technologies |
US10805979B2 (en) | 2017-11-21 | 2020-10-13 | Qualcomm Incorporated | Dual band discontinuous reception |
US10764920B2 (en) | 2017-11-27 | 2020-09-01 | Qualcomm Incorporated | Semi-persistent scheduling for shared spectrum downlink |
US10863543B2 (en) | 2017-12-01 | 2020-12-08 | Qualcomm Incorporated | Subband based uplink access for NR-SS |
US11863315B2 (en) | 2017-12-04 | 2024-01-02 | Qualcomm Incorporated | Techniques and apparatuses for avoiding collisions on an uplink data channel and a cell-specific or UE-specific uplink control channel |
US10707915B2 (en) | 2017-12-04 | 2020-07-07 | Qualcomm Incorporated | Narrowband frequency hopping mechanisms to overcome bandwidth restrictions in the unlicensed frequency spectrum |
US11388728B2 (en) | 2017-12-08 | 2022-07-12 | Qualcomm Incorporated | Channel availability protocol in a shared spectrum |
US11102763B2 (en) | 2017-12-08 | 2021-08-24 | Qualcomm Incorporated | Techniques for multiplexing of uplink channels in a shared radio frequency spectrum band |
US10784999B2 (en) | 2017-12-08 | 2020-09-22 | Qualcomm Incorporated | Narrowband physical broadcast channel design on multiple anchor channels |
US11552750B2 (en) | 2017-12-15 | 2023-01-10 | Qualcomm Incorporated | Subband-based random access and scheduling request for new-radio-spectrum sharing (NR-SS) |
US10708950B2 (en) | 2018-01-16 | 2020-07-07 | Qualcomm Incorporated | Transmission opportunity sharing for autonomous uplink |
US11038567B2 (en) | 2018-01-23 | 2021-06-15 | Qualcomm Incorporated | Adaptive autonomous uplink communication design |
US10862581B2 (en) | 2018-01-30 | 2020-12-08 | Qualcomm Incorporated | Dynamic time division duplex (TDD) frame structure for hopping superframes |
US11025296B2 (en) | 2018-01-30 | 2021-06-01 | Qualcomm Incorporated | Nested frequency hopping for data transmission |
US10992427B2 (en) | 2018-01-31 | 2021-04-27 | Qualcomm Incorporated | Bandwidth reservation signal for base station operation in digital modulation |
US10939441B2 (en) | 2018-01-31 | 2021-03-02 | Qualcomm Incorporated | Autonomous uplink with analog beams |
US10912129B2 (en) | 2018-02-08 | 2021-02-02 | Qualcomm Incorporated | SSB multiplexing and RMSI monitoring in NR-U |
US10772132B2 (en) | 2018-02-08 | 2020-09-08 | Qualcomm Incorporated | PRACH configuration on NR-U |
US10965424B2 (en) | 2018-02-09 | 2021-03-30 | Qualcomm Incorporated | Uplink control information transmission in autonomous uplink |
US11102765B2 (en) | 2018-02-22 | 2021-08-24 | Qualcomm Incorporated | Enhanced uplink grant-free/downlink semi-persistent scheduling for ultra-reliable low latency communications |
US11071138B2 (en) | 2018-02-23 | 2021-07-20 | Qualcomm Incorporated | OTA dynamic TDD with CUI-R multiplexed in UL |
US10897764B2 (en) | 2018-02-23 | 2021-01-19 | Qualcomm Incorporated | Radio-unlicensed (NR-U) interlace-based resource allocations |
US11363630B2 (en) | 2018-03-01 | 2022-06-14 | Qualcomm Incorporated | Bandwidth part (BWP) configuration for subband access in new radio-unlicensed (NR-U) |
US11212051B2 (en) | 2018-03-06 | 2021-12-28 | Qualcomm Incorporated | Beam management for autonomous uplink with analog beams |
US11470655B2 (en) | 2018-03-27 | 2022-10-11 | Qualcomm Incorporated | Enhanced downlink control information detection |
US11246155B2 (en) | 2018-03-27 | 2022-02-08 | Qualcomm Incorporated | Acknowledgement feedback in unlicensed new radio |
US10863524B2 (en) | 2018-04-04 | 2020-12-08 | Qualcomm Incorporated | Multiplexing rules for mixed communication protocols |
US11019504B2 (en) | 2018-04-04 | 2021-05-25 | Qualcomm Incorporated | On-demand coverage extended broadcast signal |
US10965505B2 (en) | 2018-04-05 | 2021-03-30 | Qualcomm Incorporated | Flexible waveform synthesis in NR-SS |
US10742353B2 (en) | 2018-04-09 | 2020-08-11 | Qualcomm Incorporated | Cross-correlation reduction for control signals |
US11089575B2 (en) | 2018-04-11 | 2021-08-10 | Qualcomm Incorporated | Multi-carrier enhancements for improving reliability in URLLC-U |
US11082187B2 (en) | 2018-04-12 | 2021-08-03 | Qualcomm Incorporated | Rate-matching for single downlink control information multi-transmission reception point transmissions |
US11026218B2 (en) | 2018-04-16 | 2021-06-01 | Qualcomm Incorporated | Indication on joint multi-transmission point transmission in new radio system |
US10917905B2 (en) | 2018-04-16 | 2021-02-09 | Qualcomm Incorporated | Autonomous uplink transmission using shared radio frequency spectrum |
US11233614B2 (en) | 2018-04-18 | 2022-01-25 | Qualcomm Incorporated | Discovery reference signals in narrowband communications |
US11057885B2 (en) | 2018-04-26 | 2021-07-06 | Qualcomm Incorporated | Frame-based initiator device operation |
US11259327B2 (en) | 2018-04-27 | 2022-02-22 | Qualcomm Incorporated | Listen-before-talk operation in an unlicensed downlink and licensed uplink deployment |
US11050531B2 (en) | 2018-04-27 | 2021-06-29 | Qualcomm Incorporated | Frequency diversity with carrier hopping in unlicensed spectrum |
US11190234B2 (en) | 2018-04-27 | 2021-11-30 | Qualcomm Incorporated | Opportunistic frequency switching for frame based equipment |
US11265917B2 (en) | 2018-04-30 | 2022-03-01 | Qualcomm Incorporated | Aligned LBT gaps for single operator FBE NR-SS |
US10848978B2 (en) | 2018-04-30 | 2020-11-24 | Qualcomm Incorporated | Radio (NR) for spectrum sharing |
US11115161B2 (en) | 2018-05-02 | 2021-09-07 | Qualcomm Incorporated | Transmission diversity for FBE idle period handling |
US11177909B2 (en) | 2018-05-04 | 2021-11-16 | Qualcomm Incorporated | Methods and apparatus related to ACK/NACK feedback with multi-TRP transmissions |
US11272526B2 (en) | 2018-05-09 | 2022-03-08 | Qualcomm Incorporated | Efficient operation with unlicensed downlink (DL) and licensed uplink (UL) by transmission of selective DL messages using licensed UL |
US11129196B2 (en) | 2018-05-11 | 2021-09-21 | Qualcomm Incorporated | Shared channel design around reserved resources |
US11582000B2 (en) | 2018-05-11 | 2023-02-14 | Qualcomm Incorporated | Front loaded sounding reference signal and physical random access channel signal |
US10841953B2 (en) | 2018-05-21 | 2020-11-17 | Qualcomm Incorporated | Receiver-based listen before talk techniques in shared millimeter wave radio frequency spectrum |
US10841950B2 (en) | 2018-05-21 | 2020-11-17 | Qualcomm Incorporated | Listen before talk techniques in shared millimeter wave radio frequency spectrum |
US11109285B2 (en) | 2018-05-24 | 2021-08-31 | Qualcomm Incorporated | Multi-PCell design for URLLC reliability |
US10855355B2 (en) | 2018-05-25 | 2020-12-01 | Qualcomm Incorporated | Channel state information reporting enhancements for unlicensed coordinated multipoint |
US10728913B2 (en) | 2018-05-25 | 2020-07-28 | Qualcomm Incorporated | Multi-transmission/reception point (multi-TRP) transmission with dynamic TRP clusters |
US11503559B2 (en) | 2018-05-29 | 2022-11-15 | Qualcomm Incorporated | Cell acquisition in frequency diversity implementing opportunistic frequency switching for frame based equipment access |
US10785797B2 (en) | 2018-06-04 | 2020-09-22 | Qualcomm Incorporated | Beam refinement reference signal (BRRS) design for mmWave system in shared spectrum |
US11770851B2 (en) | 2018-06-06 | 2023-09-26 | Qualcomm Incorporated | Synchronized spectrum sharing across multiple adjacent carriers |
US11108598B2 (en) | 2018-06-11 | 2021-08-31 | Qualcomm Incorporated | Transmission preemption in multi-TRP operation |
US20190387532A1 (en) | 2018-06-18 | 2019-12-19 | Qualcomm Incorporated | System information block transmission scheduling |
US11122592B2 (en) | 2018-06-20 | 2021-09-14 | Qualcomm Incorporated | 5G new radio with sharing between priority access license and general authorized access communications |
US11374635B2 (en) * | 2018-06-22 | 2022-06-28 | Samsung Electronics Co., Ltd. | Method and apparatus for sensor assisted beam selection, beam tracking, and antenna module selection |
US10952103B2 (en) | 2018-06-27 | 2021-03-16 | Qualcomm Incorporated | Transmission opportunity (TXOP) structure for new radio-unlicensed (NR-U) and new radio-synchronized sharing (NR-SS) |
US10912012B2 (en) | 2018-06-29 | 2021-02-02 | Qualcomm Incorporated | Initial network access for downlink unlicensed deployment |
US10631333B2 (en) | 2018-07-06 | 2020-04-21 | Qualcomm Incorporated | Synchronized medium sharing with private network |
US10873440B2 (en) | 2018-07-12 | 2020-12-22 | Qualcomm Incorporated | Time division duplexing techniques in shared radio frequency spectrum |
US11184777B2 (en) | 2018-07-19 | 2021-11-23 | Qualcomm Incorporated | Synchronous shared spectrum |
US11324016B2 (en) | 2018-07-25 | 2022-05-03 | Qualcomm Incorporated | Multi-operator shared spectrum structure compatible with frame-based equipment |
US11026097B2 (en) | 2018-08-03 | 2021-06-01 | Qualcomm Incorporated | Coexistence between spectrum sharing systems and asynchronous channel access systems |
US10841957B2 (en) | 2018-08-03 | 2020-11-17 | Qualcomm Incorporated | Facilitating multi-node listen before talk functionality via a centralized controller |
US10721628B2 (en) | 2018-08-09 | 2020-07-21 | Qualcomm Incorporated | Low-latency communication in shared spectrum |
US11089518B2 (en) | 2018-08-10 | 2021-08-10 | Qualcomm Incorporated | Intertechnology medium sharing for millimeter wave |
US11223505B2 (en) | 2018-08-22 | 2022-01-11 | Qualcomm Incorporated | Waveform multiplexing in millimeter wave band |
US11095396B2 (en) | 2018-08-23 | 2021-08-17 | Qualcomm Incorporated | Efficient polar detection with dynamic control and optimization |
US11153781B2 (en) | 2018-08-24 | 2021-10-19 | Qualcomm Incorporated | Variable cyclic prefix (CP) within a transmission slot in millimeter wave band |
US11696284B2 (en) | 2018-09-10 | 2023-07-04 | Qualcomm Incorporated | Interference detection, signaling, and mitigation techniques for low latency transmissions |
US10880889B2 (en) | 2018-09-26 | 2020-12-29 | Qualcomm Incorporated | Narrowband user equipment (UE) support with multi-channel listen-before-talk (LBT) |
US11363465B2 (en) | 2018-09-26 | 2022-06-14 | Qualcomm Incorporated | Licensed supplemental uplink as fallback with unlicensed uplink and downlink |
US11751242B2 (en) | 2018-09-27 | 2023-09-05 | Qualcomm Incorporated | Radio-unlicensed multi-channel access for low-radio frequency-capable user equipment |
US11172504B2 (en) | 2018-09-27 | 2021-11-09 | Qualcomm Incorporated | Coordination of listen before talk structure in new radio-unlicensed multi-channel access |
US11265887B2 (en) | 2018-09-28 | 2022-03-01 | Qualcomm Incorporated | Measurement report on user equipment clear channel assessment status |
US20210243226A1 (en) | 2020-02-03 | 2021-08-05 | Purdue Research Foundation | Lifelong learning based intelligent, diverse, agile, and robust system for network attack detection |
US20210329486A1 (en) | 2020-04-15 | 2021-10-21 | XCOM Labs, Inc. | System and method for reducing data packet processing false alarms |
EP4158795A4 (en) | 2020-05-26 | 2024-06-19 | Xcom Labs, Inc. | BEAMFORMING ACCOUNTING FOR INTERFERENCE |
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