TW201440451A - 使佣多天線或波束緩和無線傳輸/接收單元(wtru)對wtru介面 - Google Patents
使佣多天線或波束緩和無線傳輸/接收單元(wtru)對wtru介面 Download PDFInfo
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- TW201440451A TW201440451A TW103115738A TW103115738A TW201440451A TW 201440451 A TW201440451 A TW 201440451A TW 103115738 A TW103115738 A TW 103115738A TW 103115738 A TW103115738 A TW 103115738A TW 201440451 A TW201440451 A TW 201440451A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
無線傳輸/接收單元之多天線元件是於下鏈方向接收信號之適應性天線波束場型使用。無線傳輸/接收單元使用所形成天線波束形成傳輸天線波束於上鏈方向傳送信號。替代實施例中,多天線元件係被用來形成複數固定、預定天線波束。無線傳輸/接收單元接著選擇及切換至可產生最佳下鏈接收信號之預定波束之一。無線傳輸/接收單元使用該被選擇波束場型於上鏈方向傳送信號。替代實施例中,無線傳輸/接收單元接收頻譜排列資訊並使用此資訊來避免於頻譜鄰近無線傳輸/接收單元的方向進行傳輸。
Description
本發明係有關無線通信系統。更特別是,本發明係有關無線通信系統中緩和無線傳輸/接收單元(WTRU)對無線傳輸/接收單元干擾。
傳統無線傳輸/接收單元通常包含於所有方向均等傳送及接收之一單全方向天線。然而,作為大多數無線傳輸/接收單元能量之明顯浪費無線傳輸/接收單元資源係被用來傳送及接收於非預期之方向。更明顯地,此浪費能量係被附近無線傳輸/接收單元經歷為雜訊狀干擾。該干擾於一無線傳輸/接收單元上鏈(UL)頻率相同或接近於另一無線傳輸/接收單元下鏈(DL)頻率例中特別明顯。此概念係被描繪於第1圖。
第1圖顯示全方向性傳送之一無線傳輸/接收單元102。無線傳輸/接收單元104係具有一全方向接收波束112。當兩無線傳輸/接收單元被物理及頻譜關閉,則無線傳輸/接收單元104經歷明顯干擾位準及效能降級。干擾無線傳輸/接收單元102之干擾半徑110係藉由其自己傳輸位準,接收無線傳輸/接收單元104之敏感度,無線傳輸/接收單元104之天線場型,及無線傳輸/接收單元104之預期信號位準來決定。無線傳輸/接收單元104所經歷之效能降級係降低信號干擾比(SIR)及其接收之信號之信號干擾加雜訊比。若明顯充足,則無線傳輸/接收單元102所產生之干擾120可使資料
速率降低,連接漏失,及/或不良信號品質。此現象係被已知為無線傳輸/接收單元對無線傳輸/接收單元(行動站(MS)-行動站)干擾。
如上述,使用全方向天線之無線傳輸/接收單元係缺乏較佳控制天線增益來最小化傳送非預期信號至附近無線傳輸/接收單元之技術。同樣地,使用該天線係使無線傳輸/接收單元免於拒絕從包含其他附近無線傳輸/接收單元之非預期源被送出之干擾信號。通常,僅基地台被裝設最大化預期方向之天線增益而同時限制接收干擾裝置方向中之信號之組件及技術。
於是,預期具有可最大化預期方向之天線增益及/或選擇性接收來自預期方向之信號來最小化無線傳輸/接收單元-無線傳輸/接收單元干擾之無線傳輸/接收單元。
本發明係有關無線通信系統中緩和無線傳輸/接收單元對無線傳輸/接收單元干擾之方法及裝置。無線傳輸/接收單元之多天線元件係被用來控制該無線傳輸/接收單元天線之接收增益。類似控制係被施加至一傳輸天線來降低朝向附近無線傳輸/接收單元之發送。
替代實施例中,多天線元件係被用來形成複數固定,預定天線波束。無線傳輸/接收單元接著選擇及切換至降低來自附近無線傳輸/接收單元之干擾之該預定波束之一。相同波束場型係被使用於傳送來降低被產生至附近無線傳輸/接收單元之干擾。
替代實施例中,無線傳輸/接收單元係包含一天線陣列及接收頻譜排列資訊。使用此頻譜資訊,無線傳輸/接收單元係傳送避免無線傳輸/接收單元附近頻譜。可替代是,無線傳輸/接收單元係掃描傳輸頻率來搜尋高能量源。無線傳輸/接收單元接著決定任何高能量(及封閉)源之傳輸方向及於其天線上傳送來避免傳送於高能量源方向。
102、104、302、304、402、404、602、604、702、704‧‧‧無線傳輸/接收單元
110‧‧‧干擾半徑
112、620、622‧‧‧波束
120‧‧‧干擾
2021-202N‧‧‧天線元件
208、310、610‧‧‧天線陣列
220‧‧‧信號處理器
230‧‧‧信號加權單元
2301-230N‧‧‧接收信號
231‧‧‧加權信號
321‧‧‧零位波束
320‧‧‧引導波束場型
330、630‧‧‧基地台
510‧‧‧切換波束/切換天線陣列
520、522‧‧‧天線波束
700‧‧‧通信系統
第1圖顯示全方向性傳送及干擾附近無線傳輸/接收單元之一無線傳輸/接收單元;第2圖描繪包含一適應性天線陣列之無線傳輸/接收單元之接收器部件;第3圖描繪使用一適應性天線陣列之無線傳輸/接收單元;第4圖描繪彼此互逆干擾狀態之兩無線傳輸/接收單元;第5圖描繪具有其被形成預定波束之切換波束天線陣列;第6圖描繪使用一切換波束天線陣列之無線傳輸/接收單元;及第7圖描繪彼此對稱干擾狀態之兩無線傳輸/接收單元。
此後,“無線傳輸/接收單元”名詞係包含但不限於使用者設備,行動台,固定或行動用戶單元,呼叫器,或可操作於無線環境中之
任何其他類型元件。此後,當被稱為“基地台”名詞係包含但不限於B節點,位址控制器,存取點或無線環境中之任何其他接介裝置。
雖然以下實施例係以無線傳輸/接收單元對無線傳輸/接收單元干擾型式作說明,但在此被揭示之技術亦可應用至基地台對基地台干擾方案。例如,其中該第一存取點之下鏈干擾第二存取點之上鏈之存取點(AP)對存取點干擾位準係可使用在此被揭示之技術來緩和。
此外,雖然此後波束主要以兩因次來說明,但具有不同方位之某些波束亦可被提升。
第一較佳實施例中,適應性天線,也就是適應性天線陣列係被運用於無線傳輸/接收單元接收器來保護不受到附近無線傳輸/接收單元之干擾。不像被傳統無線傳輸/接收單元使用之單天線(其大約具有全方向天線場型(見第1圖)),適應性天線陣列係可產生被即時動態調整來適應目前無線情況之天線場型。被使用於無線傳輸/接收單元之天線陣列係監視其射頻(RF)環境,及特別監視被接收自服務基地台之信號及任何被接收干擾。
亦於本無線傳輸/接收單元之信號處理單元係被用來計算被接收於各天線元件中之信號被乘上之天線權重。這些天線權重係提供形成無線傳輸/接收單元之波束場型。因為天線陣列經常監視無線變化,所以信號處理單元係連續再計算天線權重來最佳化無線傳輸/接收單元之天線場型。天線權重係被計算來:1)最大化信號雜訊比(SNR)或信號雜訊加干擾比(SNIR);或2)最小化被接收干擾信號;或3)最小化被接收干擾而維持被接收信號位準於可接受常數。此後,這三個最佳化替代應被共同稱為“這三個
最佳化替代”。上述無線傳輸/接收單元之接收器部件之一實施例係被顯示於第2圖中。
第2圖中之天線元件2021,2022及202N係以線性配置排列來形成天線陣列208。應了解線性,圓形,平面及任何其他2或3因次天線裝置可被用來形成天線陣列。被接收於天線陣列208中之信號係視天線元件2021,2022及202N之位置及被施加至該被接收信號之適應性複合權重w1,w2及wN而定。可替代是,由於這些權重,適應性延遲及增益組合應可被使用。任何調整這些權重w1,w2及wN之方法均可被用來達成上述三個最佳化替代。例如,權重正確量化組可一個接一個被嘗試直到適當組被找到為止。信號處理器220係傳送該被決定天線權重w1,w2及wN至信號加權單元230。信號加權單元230中,最初被接收信號2301,2302及230N係分別被與被計算權重w1,w2及wN組合,且接著被組合來形成單加權信號231。
以此法使用適應性天線係使無線傳輸/接收單元形成方向性波束場型來達成上述任何三個最佳化替代。創造該方向性波束場型時,適應性天線亦創造零位。零位僅為低天線增益之方向。第3圖係描繪此概念。無線傳輸/接收單元302係被顯示具有引導波束場型320朝向基地台330之一天線陣列310。天線陣列310亦引導零位321大約朝向無線傳輸/接收單元對無線傳輸/接收單元干擾之附近源之無線傳輸/接收單元304。此例中,零位波束321具有“使無效”或最小化以上鏈方向被傳送自無線傳輸/接收單元304之信號所引起之干擾之效應。
第二較佳實施例中,適應性天線陣列係被用來選擇天線權重來達成上述三個最佳化替代之一。無線傳輸/接收單元接著使用被導源自該被選擇權重之天線權重來傳送至基地台。重要係注意該被導出傳輸權重係被選擇使被創造用於接收器之波束重要位置及外型得以被保持。例如,該被導出傳輸天線權重可相同於被選擇用於接收信號之天線權重。
當傳送無線傳輸/接收單元處於與附近無線傳輸/接收單元互逆干擾狀態時,以上述所導出之天線傳送來傳送係特別有用。例如,當第一無線傳輸/接收單元之上鏈頻率接近或相同於第二無線傳輸/接收單元之下鏈頻率,而第一無線傳輸/接收單元之下鏈頻率接近或相同於第二無線傳輸/接收單元之上鏈頻率時,無線傳輸/接收單元係被說明處於互逆干擾狀態。為了說明,第4圖顯示彼此處於互逆干擾狀態之兩無線傳輸/接收單元402及404。同樣地,無線傳輸/接收單元402之上鏈頻率f3非常接近無線傳輸/接收單元404之上鏈頻率f3’。因此,無線傳輸/接收單元402及404彼此係處於互逆干擾狀態,其中兩無線傳輸/接收單元係於另一個正在傳送時經歷無線傳輸/接收單元對無線傳輸/接收單元干擾。
使用分時雙工(TDD)之通信系統中,無線傳輸/接收單元均以相同頻率傳送及接收信號。缺乏校準時,該無線傳輸/接收單元可經歷互逆干擾。例如,若兩分時雙工無線傳輸/接收單元被分配不同時槽或頻率且其個別頻率很接近或其時序不被正確校準或兩者兼具,則這些無線傳輸/接收單元可經歷互逆干擾。
上述第一較佳實施例之相同方式中,依據本實施例之無線傳輸/接收單元係使用天線權重依據上述三個最佳化替代之一來最佳化預期信
號之信號品質。然而,本實施例中,無線傳輸/接收單元係從該被選擇接收天線權重來導出天線權重以上鏈方向傳送。藉由使用該被導出天線權重來形成方向性傳輸波束,朝向鄰近無線傳輸/接收單元之被引導能量將被降低提供保護附近無線傳輸/接收單元不受到經歷無線傳輸/接收單元對無線傳輸/接收單元干擾。
第三較佳實施例中,切換波束/切換天線陣列(SBSA)係被運用於無線傳輸/接收單元接收器來保護不受到來自附近無線傳輸/接收單元之干擾。切換波束/切換天線陣列係形成子組被選擇用於任何給定時間之多預定波束,或自較大預定波束位置組來形成一組波束。應注意這些被形成波束場型之一可為全方向波束場型。這些預定波束場型之例係被描繪於第5圖中。切換波束切換天線陣列510係被顯示具有其十二個預定天線波束520及522。波束520係被強調描繪其為提供最高信號品質,可能指向基地台方向(無圖示)之波束。
應了解第5圖僅預期提供作為切換波束/切換天線陣列概念例。依據本實施例之切換波束/切換天線陣列系統可具有兩預定天線波束,可能包含具有一全方向響應者。被切換波束/切換天線陣列形成之天線波束愈少,各該波束將需愈寬。波束寬度及波束數量通常係由裝置類型及尺寸考量來決定。
依據本實施例,信號係被量測於各無線傳輸/接收單元之預定波束中。這些波束之一接著被選擇來:1)最大化該被接收信號之信號雜訊加干擾比;或2)最小化被接收自附近無線傳輸/接收單元之能量;或3)最小化被接收自附近無線傳輸/接收單元之能量而維持充分預期信號位準。切換
功能接著切換至這些固定波束場型之被選擇者來接收下鏈方向之預期信號。某些例中,該被選擇波束可為全方向波束。被接收自附近無線傳輸/接收單元之干擾能量連續降低係藉由頻繁切換於預定波束場型之間回應無線傳輸/接收單元之信號環境來維持。此概念係被描繪於第6圖。
無線傳輸/接收單元602之天線陣列610係已形成多預定波束620及622。波束622係被強調描繪其係主動及被引導朝向基地台630。於是,其已降低朝向附近無線傳輸/接收單元604之增益。
以上述方式使用切換波束天線係使無線傳輸/接收單元可自複數預定天線波束來選擇。選擇這些波束之一時,被接收自附近無線傳輸/接收單元之干擾係如第6圖所示般被降低。該實施之附加優點係其同時最小化帶中及帶外干擾。
第四較佳實施例中,切換波束天線陣列係被用於無線傳輸/接收單元來最小化附近無線傳輸/接收單元,特別是若無線傳輸/接收單元處於互逆干擾狀態時所經歷之無線傳輸/接收單元對無線傳輸/接收單元干擾。如上述,例如當第一無線傳輸/接收單元之下鏈頻率接近第二無線傳輸/接收單元之上鏈頻率,而第二無線傳輸/接收單元之下鏈頻率接近第一無線傳輸/接收單元之上鏈頻率時,無線傳輸/接收單元係處於互逆干擾(見第4圖)。缺乏正確校準,分時雙工通信系統中之無線傳輸/接收單元亦可經歷互逆干擾。
上述第三較佳實施例之相同方式中,無線傳輸/接收單元可選擇性切換於複數預定,固定天線波束來最大化信號雜訊加干擾比,最小化被接收自附近無線傳輸/接收單元之能量,最小化被接收自附近無線傳輸/
接收單元之能量而維持充分預期信號位準。然而,本實施例中,無線傳輸/接收單元係使用相同被選擇天線波束來傳送於上鏈方向。因為該被選擇波束最小化來自非預期源之干擾能量,所以傳輸於此相同波束將最小化朝向附近源之非預期能量傳輸。於是,藉由傳送於該被選擇波束方向,所以朝向附近無線傳輸/接收單元之干擾係被最小化。
第五較佳實施例中,智慧天線陣列係被用於無線傳輸/接收單元來最小化附近無線傳輸/接收單元,特別是當無線傳輸/接收單元處於不對稱干擾狀態時所經歷之無線傳輸/接收單元對無線傳輸/接收單元干擾。此後,”智慧天線”用語係被用來說明適應性天線陣列或切換波束/切換天線陣列。針對本實施例,當第一無線傳輸/接收單元干擾下鏈接收頻譜鄰近第二無線傳輸/接收單元時,無線傳輸/接收單元係處於不對稱干擾狀態。然而,第二無線傳輸/接收單元之上鏈傳輸並不干擾第一無線傳輸/接收單元之下鏈接收。此概念係被描繪於第7圖。
通信系統700係被顯示其中分時雙工無線傳輸/接收單元702係具有f1之上鏈頻率。無線傳輸/接收單元704,分時雙工裝置係被顯示具有頻譜鄰接無線傳輸/接收單元702之下鏈接收頻率。結果,分時雙工裝置702係干擾頻譜鄰接分時雙工裝置704之下鏈接收。然而,此干擾係不動稱,因為分時雙工裝置704之上鏈傳輸頻率f3係頻譜遠離分時雙工裝置702之下鏈頻率f1。應注意,因為無線傳輸/接收單元702係為分時雙工裝置,所以其上鏈及下鏈頻率係相同。
如第7圖描繪,如分時雙工裝置702之無線傳輸/接收單元可不對稱干擾附近無線傳輸/接收單元而不留意該干擾之發生。此不留意係
因干擾無線傳輸/接收單元之接收頻率頻譜遠離受害無線傳輸/接收單元之上鏈頻率而被產生。本實施例提出藉由提供額外資訊至干擾無線傳輸/接收單元來最小化該不對稱干擾。不對稱干擾無線傳輸/接收單元(如第7圖之分時雙工無線傳輸/接收單元702)係被通知頻譜排列位於其信號環境中。特別是,其被通知下鏈頻率接近其上鏈頻率之無線傳輸/接收單元之上鏈頻率。此資訊係警告干擾無線傳輸/接收單元有關可能對其產生干擾之其他無線傳輸/接收單元之存在。干擾無線傳輸/接收單元接著掃描這些上鏈頻率來決定這些無線傳輸/接收單元之實際位置。例如,干擾無線傳輸/接收單元可藉由搜尋高能量信號來決定這些無線傳輸/接收單元之位置。上鏈方向之高充足能量位準係意指無線傳輸/接收單元可能在附近且可能被干擾。於是,干擾無線傳輸/接收單元接著使用如在此說明之任何實施例來調整其上鏈傳輸方向來最小化干擾附近無線傳輸/接收單元。
可替代是,無線傳輸/接收單元可掃描所有可能頻率而非通知干擾無線傳輸/接收單元有關其信號環境中之頻譜排列及限制無線傳輸/接收單元搜尋。雖然各實施例組件係以獨立組件來討論,但應了解其可能位於如特定應用積體電路(ASIC),分離組件或分離組件及積體電路組合之信號積體電路(IC)上。
同樣地,雖然本發明特性及元件已被說明於特定組合中之較佳實施例中,但各特色或元件均可被單獨使用(無較佳實施例之其他特色或元件),或具有或無本發明其他特色及元件之各種組合中。
302、304‧‧‧無線傳輸/接收單元
310‧‧‧天線陣列
321‧‧‧零位波束
320‧‧‧引導波束場型
330‧‧‧基地台
Claims (12)
- 用於緩和無線傳輸/接收單元(WTRU)對無線傳輸/接收單元干擾而在一無線通信中使用的裝置,該裝置包括:從一第一WTRU以一第一上鏈頻率傳輸;在該第一WTRU以一第一下鏈頻率接收;在該第一WTRU接收關於該第一WTRU的一信號環境之一頻譜排列的資訊,其中該資訊包含由另一WTRU所用的一第二上鏈頻率;監視該第二上鏈頻率,以確定一其他WTRU的位置;以及選擇一傳輸波束場型,使得來自於該第一WTRU的傳輸是在除了該其他WTRU方向之外的一方向。
- 如申請專利範圍第1項之方法,其中監視該第二上鏈頻率包括識別以該第二上鏈頻率所接收的一高能量信號。
- 如申請專利範圍第1項之方法,其中該傳輸波束場型係選自一組預定的傳輸波束。
- 如申請專利範圍第1項之方法,更包含施加天線權重於複數個天線元件,以產生該傳輸波束場型。
- 如申請專利範圍第1項之方法,其中傳輸波束場型引導朝向該其他WTRU的一零位。
- 如申請專利範圍第1項之方法,其中關於該信號環境頻譜排列的該資訊包括關於具有一上鏈頻率的另一WTRU,該上鏈頻率接近該WTRU的下鏈頻率。
- 一種被配置在無線通信中以緩和無線傳輸/接收單元(WTRU)對WTRU干擾的WTRU,該WTRU包括: 一接收器,被配置以接收資料傳輸和關於該WTRU環境之頻譜排列的資訊,包含另一WTRU所傳送中的一頻率;一信號處理器,被配置以處理一信號,該信號以一其他WTRU所傳送中的頻率被接收,並確定該其他WTRU的一方向;一信號權重單元,被配置以依據該其他WTRU所傳送中的頻率上所接收的該信號,計算天線權重;一適應性天線陣列;以及一傳輸器,被配置在一傳輸波束場型中以除了該其他WTRU方向之外的一方向傳送資料。
- 如申請專利範圍第7項之WTRU,其中該其他WTRU的方向是依據識別一高能量信號而確定,該高能量信號被接收於該其他WTRU所傳送中的頻率。
- 如申請專利範圍第7項之WTRU,其中該傳輸波束場型係選自一組預定的傳輸波束。
- 如申請專利範圍第7項之WTRU,更包含施加天線權重於複數個天線元件,以產生該傳輸波束場型。
- 如申請專利範圍第7項之WTRU,其中傳輸波束場型引導朝向該其他WTRU的一零位。
- 如申請專利範圍第7項之WTRU,其中當另一WTRU正以一上鏈頻率傳送,而該上鏈頻率頻譜接近該WTRU的下鏈頻率的一情況下,該WTRU在以除了該其他WTRU方向之外的一方向傳送一波束場型。
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Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7630688B2 (en) * | 2004-03-31 | 2009-12-08 | Interdigital Technology Corporation | Mitigation of wireless transmit/receive unit (WTRU) to WTRU interference using multiple antennas or beams |
KR100706620B1 (ko) * | 2005-05-17 | 2007-04-11 | 한국전자통신연구원 | 스위치 빔을 이용한 초기 동기 시의 빔 선택 방법 |
US20080056201A1 (en) * | 2006-03-22 | 2008-03-06 | Broadcom Corporation, A California Corporation | Interference parameter reporting from client devices to access point for use in modifying wireless operations |
EP1843485B1 (en) * | 2006-03-30 | 2016-06-08 | Sony Deutschland Gmbh | Multiple-input multiple-output (MIMO) spatial multiplexing system with dynamic antenna beam combination selection capability |
WO2007139459A1 (en) * | 2006-05-29 | 2007-12-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel quality prediction in hsdpa systems |
JP4972370B2 (ja) * | 2006-09-21 | 2012-07-11 | 京セラ株式会社 | 無線通信装置及び無線通信方法 |
US20080102768A1 (en) * | 2006-10-25 | 2008-05-01 | Navini Networks, Inc. | Method for Obtaining a Covariance Matrix of a Transmitting Channel in a Wireless Network |
US7995973B2 (en) * | 2008-12-19 | 2011-08-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Own transmitter interference tolerant transceiver and receiving methods |
US8855580B2 (en) * | 2008-06-27 | 2014-10-07 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and apparatus for reducing own-transmitter interference in low-IF and zero-IF receivers |
EP3554170A1 (en) * | 2008-10-20 | 2019-10-16 | InterDigital Patent Holdings, Inc. | Carrier aggregation |
CN104243122B (zh) * | 2008-10-31 | 2018-02-06 | 交互数字专利控股公司 | 在网络元件中实现的使用多载波的方法以及网络元件 |
WO2010088536A1 (en) | 2009-01-30 | 2010-08-05 | Interdigital Patent Holdings, Inc. | Method and apparatus for component carrier aggregation in wireless communications |
US8023915B2 (en) * | 2009-03-30 | 2011-09-20 | Mitsubishi Electric Research Laboratories, Inc. | Beamforming in wireless vehicular networks |
JP5426778B2 (ja) * | 2009-11-30 | 2014-02-26 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 移動端末へのダウンリンク信号通信における干渉緩和 |
WO2011078750A1 (en) * | 2009-12-21 | 2011-06-30 | Telefonaktiebolaget L M Ericsson (Publ) | Method for suppressing opposite direction interference |
WO2013004283A1 (en) * | 2011-07-04 | 2013-01-10 | Telefonaktiebolaget L M Ericsson (Publ) | Enchanced use of frequency spectrum in a wireless communication network |
KR101800221B1 (ko) | 2011-08-11 | 2017-11-22 | 삼성전자주식회사 | 무선통신 시스템에서 빔 추적 방법 및 장치 |
KR101839808B1 (ko) * | 2011-08-24 | 2018-04-26 | 삼성전자주식회사 | 이동 단말기 및 그 통신방법, 기지국 컨트롤 장치 및 그 컨트롤 방법, 및 그것을 이용하는 다중 협력 송수신 시스템 및 그 방법 |
KR20140072891A (ko) * | 2011-10-19 | 2014-06-13 | 마벨 월드 트레이드 리미티드 | 둘 이상의 안테나를 갖는 디바이스에 의해 수신되는 신호에서 간섭을 억제하기 위한 시스템 및 방법 |
US9054765B2 (en) | 2011-10-20 | 2015-06-09 | Marvell World Trade Ltd. | Systems and methods for suppressing interference in a wireless communication system |
WO2014003499A1 (en) * | 2012-06-29 | 2014-01-03 | Samsung Electronics Co., Ltd. | Method and apparatus for beamforming |
BR112014030152A2 (pt) * | 2012-07-02 | 2017-06-27 | Intel Corp | transmissão e recepção simultâneas |
JP2014114006A (ja) * | 2012-11-16 | 2014-06-26 | Tokai Rika Co Ltd | タイヤ位置判定装置 |
CN103856306B (zh) | 2012-12-05 | 2017-10-17 | 华为技术有限公司 | 处理干扰的方法及装置 |
US9071474B1 (en) | 2013-07-25 | 2015-06-30 | Marvell International Ltd. | Systems and methods for suppressing interference in a wireless communication system |
US9806827B2 (en) * | 2013-09-13 | 2017-10-31 | Samsung Electronics Co., Ltd. | Computing system with interference cancellation mechanism and method of operation thereof |
EP2930994B1 (en) | 2014-04-07 | 2016-05-18 | Alcatel Lucent | Mitigating UL-to-DL interference |
CN106464333B (zh) * | 2014-05-08 | 2020-01-07 | 瑞典爱立信有限公司 | 使用天线布置的波束形成 |
US9578644B2 (en) * | 2014-09-26 | 2017-02-21 | Mediatek Inc. | Beam misalignment detection for wireless communication system with beamforming |
US9917628B2 (en) * | 2015-01-16 | 2018-03-13 | RF DSP Inc. | Beamforming in a MU-MIMO wireless communication system with relays |
US9806781B2 (en) * | 2015-04-29 | 2017-10-31 | Samsung Electronics Co., Ltd. | Codebook design and structure for advanced wireless communication systems |
JP2017059933A (ja) * | 2015-09-15 | 2017-03-23 | 日本電気株式会社 | 通信システム、基地局及びアンテナ制御方法 |
US20170303328A1 (en) * | 2016-04-15 | 2017-10-19 | Intel IP Corporation | Antenna weight vector group identification for wireless communication |
DE112016007007T5 (de) | 2016-06-22 | 2019-03-07 | Intel Corporation | Kommunikationsvorrichtung und verfahren für vollduplex-disposition |
US10333599B2 (en) * | 2016-09-13 | 2019-06-25 | Corning Optical Communications LLC | Antenna array beamforming in a remote unit(s) in a wireless distribution system (WDS) |
KR102470863B1 (ko) * | 2018-03-09 | 2022-11-28 | 삼성전자주식회사 | 간섭량 측정 방법 및 장치 |
WO2019229907A1 (ja) * | 2018-05-30 | 2019-12-05 | 株式会社Nttドコモ | 通信装置 |
KR102018254B1 (ko) * | 2018-09-10 | 2019-09-04 | 에스케이텔레콤 주식회사 | 신호전송장치 및 신호 전송방법 |
CN114008857B (zh) * | 2020-03-30 | 2023-10-10 | 华为技术有限公司 | 天线系统以及控制方法、处理器、摄像系统 |
US20240039620A1 (en) | 2020-12-25 | 2024-02-01 | Nippon Telegraph And Telephone Corporation | Signal processing apparatus, wireless communication system and signal processing method |
WO2024077211A1 (en) * | 2022-10-07 | 2024-04-11 | Interdigital Patent Holdings, Inc. | Methods, procedures, and devices to improve beam resilience in multi-antenna systems with hybrid beamforming |
Family Cites Families (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2911090B2 (ja) * | 1993-09-29 | 1999-06-23 | エヌ・ティ・ティ移動通信網株式会社 | 移動通信の基地局装置及び移動局装置 |
US5619503A (en) | 1994-01-11 | 1997-04-08 | Ericsson Inc. | Cellular/satellite communications system with improved frequency re-use |
JP3497672B2 (ja) * | 1996-09-18 | 2004-02-16 | 株式会社東芝 | アダプティブアンテナおよびマルチキャリア無線通信システム |
JP3464606B2 (ja) * | 1998-03-31 | 2003-11-10 | 松下電器産業株式会社 | 無線通信装置及び無線通信方法 |
EP0948082A1 (en) * | 1998-04-03 | 1999-10-06 | Lucent Technologies Inc. | Adaptive antenna |
US6188915B1 (en) * | 1998-05-19 | 2001-02-13 | Harris Corporation | Bootstrapped, piecewise-asymptotic directivity pattern control mechanism setting weighting coefficients of phased array antenna |
KR100272565B1 (ko) * | 1998-06-16 | 2000-11-15 | 서평원 | 역방향 링크의 최적 직교 코드 할당 방법 |
US6229486B1 (en) | 1998-09-10 | 2001-05-08 | David James Krile | Subscriber based smart antenna |
US6314305B1 (en) | 1998-12-10 | 2001-11-06 | Lucent Technologies Inc. | Transmitter/receiver for combined adaptive array processing and fixed beam switching |
GB2349045A (en) | 1999-04-16 | 2000-10-18 | Fujitsu Ltd | Base station transmission beam pattern forming; interference reduction |
CA2346714C (en) * | 1999-04-22 | 2007-07-10 | Nippon Telegraph And Telephone Corporation | Receiver for ofdm packet communication system |
US6661832B1 (en) * | 1999-05-11 | 2003-12-09 | Qualcomm Incorporated | System and method for providing an accurate estimation of received signal interference for use in wireless communications systems |
JP3387459B2 (ja) * | 1999-09-30 | 2003-03-17 | 日本電気株式会社 | 電波監視システム、及び電波監視方法 |
CN1336046A (zh) * | 1999-11-10 | 2002-02-13 | 三菱电机株式会社 | 自适应阵列通信系统和接收机 |
US7046678B2 (en) * | 2000-02-18 | 2006-05-16 | At & T Corp. | Channel efficiency based packet scheduling for interactive data in cellular networks |
JP2001237756A (ja) | 2000-02-25 | 2001-08-31 | Matsushita Electric Ind Co Ltd | アレーアンテナ無線通信装置およびアレーアンテナ無線通信方法 |
US6940845B2 (en) | 2000-03-23 | 2005-09-06 | At & T, Corp. | Asymmetric measurement-based dynamic packet assignment system and method for wireless data services |
EP1315314A4 (en) * | 2000-07-14 | 2009-12-02 | Sanyo Electric Co | MOBILE COMMUNICATION TERMINAL, COMMUNICATION METHOD, AND PROGRAM THEREOF |
JP3877678B2 (ja) * | 2000-07-14 | 2007-02-07 | 三洋電機株式会社 | キャリブレーション装置、アダプティブアレー装置、キャリブレーション方法、プログラム記録媒体及びプログラム |
US6400315B1 (en) * | 2000-07-20 | 2002-06-04 | The Boeing Company | Control system for electronically scanned phased array antennas with a mechanically steered axis |
JP4818568B2 (ja) * | 2000-12-04 | 2011-11-16 | 三菱電機株式会社 | 合成受信方法および合成受信装置 |
JP4282227B2 (ja) * | 2000-12-28 | 2009-06-17 | 日本電気株式会社 | ノイズ除去の方法及び装置 |
US20020146044A1 (en) * | 2001-04-09 | 2002-10-10 | Riaz Esmailzadeh | Hybrid single/multiuser interference reduction detector |
JP2002325062A (ja) | 2001-04-25 | 2002-11-08 | Mitsubishi Electric Corp | 移動体通信システム、および移動通信端末装置 |
US6621454B1 (en) | 2001-05-10 | 2003-09-16 | Vectrad Networks Corporation | Adaptive beam pattern antennas system and method for interference mitigation in point to multipoint RF data transmissions |
JP2003018074A (ja) * | 2001-06-29 | 2003-01-17 | Toshiba Corp | 無線基地局及びビーム制御方法 |
EP1667341B1 (en) * | 2001-07-11 | 2011-03-02 | Sony Deutschland GmbH | Method for calculating a weighting vector for an antenna array |
US7031702B2 (en) * | 2001-09-14 | 2006-04-18 | Atc Technologies, Llc | Additional systems and methods for monitoring terrestrially reused satellite frequencies to reduce potential interference |
KR100566241B1 (ko) * | 2001-11-19 | 2006-03-29 | 삼성전자주식회사 | 이동통신시스템에서 연성 심볼 결합 장치 및 방법 |
CA2415170C (en) * | 2001-12-28 | 2008-07-15 | Ntt Docomo, Inc. | Receiver, transmitter, communication system, and method of communication |
JP3866118B2 (ja) | 2002-02-27 | 2007-01-10 | 日本電信電話株式会社 | 空間分割多重アクセス装置、適応アレーアンテナ基地局、端末およびその制御方法 |
US6687492B1 (en) | 2002-03-01 | 2004-02-03 | Cognio, Inc. | System and method for antenna diversity using joint maximal ratio combining |
JP3600218B2 (ja) * | 2002-03-20 | 2004-12-15 | 三洋電機株式会社 | 無線端末装置、送信指向性制御方法および送信指向性制御プログラム |
US7424268B2 (en) | 2002-04-22 | 2008-09-09 | Cisco Technology, Inc. | System and method for management of a shared frequency band |
TWI323576B (en) | 2002-05-13 | 2010-04-11 | Interdigital Tech Corp | Resource allocation to users in slotted code division multiple access systems using beams |
KR100689399B1 (ko) | 2002-05-17 | 2007-03-08 | 삼성전자주식회사 | 이동통신시스템에서 스마트 안테나의 순방향 송신빔 형성장치 및 방법 |
US6917337B2 (en) * | 2002-06-05 | 2005-07-12 | Fujitsu Limited | Adaptive antenna unit for mobile terminal |
US7339981B2 (en) * | 2002-07-09 | 2008-03-04 | Arraycomm, Llc. | Shifted training sequences in a communications system |
US7236808B2 (en) | 2002-09-09 | 2007-06-26 | Interdigital Technology Corporation | Vertical dynamic beam-forming |
GB2393077A (en) | 2002-09-14 | 2004-03-17 | Roke Manor Research | Aligning a directional antenna towards an access point using location information |
US7412212B2 (en) * | 2002-10-07 | 2008-08-12 | Nokia Corporation | Communication system |
JP2004180038A (ja) | 2002-11-28 | 2004-06-24 | Nec Infrontia Corp | 無線lanアクセスポイント,無線lanシステム,無線lanアクセスポイントの干渉防止方法 |
JP3930456B2 (ja) | 2003-05-29 | 2007-06-13 | 日本無線株式会社 | アレイアンテナ通信装置 |
US6879829B2 (en) * | 2003-05-16 | 2005-04-12 | Mobile Satellite Ventures, Lp | Systems and methods for handover between space based and terrestrial radioterminal communications, and for monitoring terrestrially reused satellite frequencies at a radioterminal to reduce potential interference |
US7295831B2 (en) | 2003-08-12 | 2007-11-13 | 3E Technologies International, Inc. | Method and system for wireless intrusion detection prevention and security management |
US7457590B2 (en) * | 2003-12-23 | 2008-11-25 | Motorola, Inc. | Method, apparatus and system for use in the transmission of wireless communications using multiple antennas |
US7782987B2 (en) * | 2004-03-12 | 2010-08-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for received signal quality estimation |
US7630688B2 (en) * | 2004-03-31 | 2009-12-08 | Interdigital Technology Corporation | Mitigation of wireless transmit/receive unit (WTRU) to WTRU interference using multiple antennas or beams |
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