TWI271983B - Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern - Google Patents

Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern Download PDF

Info

Publication number
TWI271983B
TWI271983B TW094103478A TW94103478A TWI271983B TW I271983 B TWI271983 B TW I271983B TW 094103478 A TW094103478 A TW 094103478A TW 94103478 A TW94103478 A TW 94103478A TW I271983 B TWI271983 B TW I271983B
Authority
TW
Taiwan
Prior art keywords
cell
measurement
omnidirectional
signal
wtru
Prior art date
Application number
TW094103478A
Other languages
English (en)
Other versions
TW200605606A (en
Inventor
Ana Lucia Iacono
Janet Stern-Berkowitz
Original Assignee
Interdigital Tech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200605606A publication Critical patent/TW200605606A/zh
Application granted granted Critical
Publication of TWI271983B publication Critical patent/TWI271983B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • 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
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • 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
    • H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H04W36/083—Reselecting an access point wherein at least one of the access points is a moving node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Description

1271983 曰 」多正 ——皇號94顧7只〜 ’五、發明說明（1) 、發明領域 明仫i發明係、有關無線多胞元通作李績 月係有關藉由使用方向性波束及t ί更特別是，本發 凡之信號選擇及再選擇胞 =°波型測量被接收自胞 〜乃法及裝置。 發明背景 與無線通信相關之最重要議顯夕_ ^ 。之無線多胞元通信系統容量、係如何改良促進通 方向性波束天線來改良基地Α2 ^發之一新領域係使用 〔WTRUs)間之正向及反向鍵路口及^線傳送/接收單元 傳統全向天線之增加增益係增加 > 邊際。方向性天線對 地台處之被接收信號增益。3 ^恶線傳送/接收單元及基 ησ _ :無，傳送/ ^收單元被賦予電源日士 胞元 移動至 單凡係執行起始胞元搜尋程序，並盤’、守，無線傳送/接收 元測量被接收自複數胞元之複二^間無線傳送/接收單 位準之胞元之一。例如，分碼多^就並選擇具有最強信號 線傳送/接收單元係獲得來自胞^存^取（CDMA)系統中，無 化該胞元。為了獲得前導信號益之&則導信號並接著同步 所有已知前導編碼之可能性，並、^、傳送/=接收單元搜尋 元。胞元被選擇之後且當| ^ ^擇具有最強前導信號之 之較佳胞元（也就是具有較佳品質、則2 l可找到一個登錄 被選擇胞元之程序係被稱為胞元再之胞元）。再評價該 切換波束系統係為若干固定古a擇或閒置交遞。 U疋方向性波束被定義且收發 -1 -位置時，無線傳；;:傳收T妾…從-位置 胞元（也就是具有較佳口新、，凡可找到一個登錄
I $ 7頁 '1271983
=選2提供最佳信號品質及最少干擾之方向性 :。無線傳送/接收單元處之方向性天線波束之糸 :，測量信號位準來選擇天線之最佳方向：頁模對各方 “虎位準，並定期再選擇最佳方向性模式、式中之，接收 U傳达/接收早兀之移動。被接收於 ：：： 兀之信號位準係因多路傳送而經常改變。 、接收早 〇起始胞元選擇及胞元再選擇程序中，無線值、、，/ 單元可利用被切換波束系統。為被裝設被切換波^ 收 無線傳送/接收單元設計胞元選擇及胞元再選擇浐、，'之 執行選擇及再選擇程序所花費時間及該被選擇或 胞凡/波束效能之間係具有權衡關係。 — &擇 發明内容 本發明係有關選擇及再選擇基於使用複數方向性波束 及/或全向波型完成測量無線通信系統中之胞元之方法及 裝置。該系統包含複數胞元及至少一無線傳送/接收單 元。各胞元係被至少一基地台服務。無線傳送/接收單元 係包含於複數方向性波束及全向波型間產生及切換一、、皮束 之切換波束（也就是智慧）天線。 依據本發明第一實施例’無線傳送/接收單元係使用 全向波型測量被接收自複數胞元之信號。無線傳送/接收 單元係基於使用全向波型完成測量被接收自複數胞元之_ 號結果來選擇具有最強信號之胞元。無線傳送/接收單元 係登錄該被選擇胞元並接著使用各複數方向性波束測量被
1271983 曰 修正 號 94103478_年月 ’五、發明說明 .^ =自該被選擇胞元之信號。無線傳送/接收單元係基於 ::性波束測量被接收自該被選擇胞元之信號結果來 之，，有帛強信^方n皮束作為與言亥被選擇胞元通信 <芏動波束。 複翁：ί本發明第二實施例’無線傳送/接收單元係使用 數2向性波束或全向波型測量被接收自複數胞元之信 ΐ波型ΐ ΐ Ϊ ’接收單元係基於使用複數方向性波束或全 信ί =置 收自複數胞元之信號結果來選擇具有最強 1擇：壶二：波束組合。無線傳送’接收單元係使用該被選 被用來與被選擇胞元通信之主動波束來登 八，據本發明第三實施例，無線傳送/接收單元係使用 二::，則里被接收自複數胞元之信號。無線傳送'/'接收 7，、土於使用全向波型完成測量被接收自複數胞元之俨 號結果來選擇具有—胞元子組。無線料/接^ 二用各複數方向性波束測量被接收自者 線ΐ送/接收單元係基於使用各複數方向性波束測量1接無 t /°亥力子击組中之各胞元之信號結果來選擇具有最強俨號之 ::、甬合。無線傳送/接收單元係使用該被選心束 選擇胞元。^、被运擇胞7^㈣之主動波束來登錄該被 依據本發明第四實施例，無 通常被用來與被選擇胞元通信之主動波束來登早二”
皮接收自複數鄰接胞元之信號。無線;專送A妾 早=_'、主動波束測量被接收自該複數鄰接胞 第9頁 1271983 修正 案號 94103478 i、發明說明（4) 之信號結果來選擇該鄰接胞元之子組。無線傳送/接收 早元係使用複數方向性波束或全向波型測量被接收自鄰接 胞元之信號。若無線傳送/接收單元決定被接收自該子組 中之鄰接胞元之信號最強測量結果係高於被接收自該被選 擇胞元之信號最佳測量結果，則無線傳送/接收單元啟 從被選擇胞元至具有最強測量結果之子組中之鄰接 胞元交遞。 依據本發明第五實施例，無線傳送/接收單元 通常被用來與被選擇胞元通信之主動波束來登該被 則『皮接收自複數鄰接胞元之信號。無線傳送/，妾擇 早7L係基於使用该主動波束測量被接收自該 :之信號結果來選擇該鄰接胞元之第一子組 ^广 =元之信號。無線傳送/接收單元係基於測皮中γ 匕子；Γ之ϊ數鄰接胞元之信號結果來選擇該鄰接胞 第二子組。無線傳送/接收單元係使用夂 稷數方向性波束測量被接收自該口 信號。若無線傳送/接收單元、，定、、'中之郇接胞凡之 元之信號最佳測量結果，則“二=收“亥被延擇胞 胞元交遞。 呆之弟—子組中之鄰接胞元之 ^據本發明第六實施例’無 通韦全向波型來登錄該祧馮摆A 一 、按收早兀係使用 接胞元之信號。無：傳 ^— --、、接收早兀係基於使用該全向波 第10頁 11271983 皇號 9410347S •五、發明說明⑸ .型測量被接收自該複數鄰 ^ ~~~ 胞元之子組。無線傳送/接 之,號結果來選擇該鄰接::量：接收自該子組中之各鄰 接收單元決定被接收自該 之佗唬。若無線傳 強測量結果係高於被接收自該被之鄰—接胞之信號最 結果，則無線傳送/接收單元、i兀之化號最佳測量 強測量砝果之早έΒ + _ + 啟動從被選擇胞元至且右田 果之子組中之鄰接胞元之胞元交遞。具有取 幸父佳實施例之詳細說明 此後，"無線傳輸/接收單元,， :用者設備⑽’行動站，；糸。括仁不受限於 或任何可操作於無線環境中之：Κ早：’呼叫器 可被交遞使用。此後當被稱為”基地台,此 :=Γ二點’位址控制器，存取點(ap)或無線環^ 之任何其他類型接介裝置。 衣兄宁 t發明特性可被併入積體電路（ic)或被配 數互連組件之電路中。 、匕3稷 、第1圖顯示依據本發明操作之無線通信系統；too。盔綠 ，信系統100係包含複數基地台1〇4及複數無線傳輪/接收 ，兀1 0 2。各基地台丨〇 4係服務複數胞元丨〇 6至少之一。各 無線傳輸/接收單元102係被登錄至少一胞元1〇6，並包: 被用來產生複數方向性波束或全向波型之一切換波束天線 1 ◦ 8。無線傳輸/接收單元丨〇 2係於複數方向性波束或全向 波型間切換波束以便與胞元1 0 6之基地台1 〇 4通信。 當無線傳輸/接收單元1 〇 2被打開時，起始胞元搜尋程 曰 修正
1271983 修正
案號 94103478 玉、發明說明（6) .序係被啟動。起始胞元搜尋程序期間，盔 =1〇2係接收來自無線傳輪/接收單元1〇2附近之^ ^
:6夭=，並依據預定準則選擇一胞元10 6。使用切A 二始胞元搜尋程序期間，無線傳輸/接收單ΐ 102係使用全向波型或方向性波束。一旦被與胞元】： ^無〜線傳輸/接收單元102被選擇，則無線傳輸/接收單元亲 疋期監視來自鄰接胞元之信號，並經由胞 序執行胞元交遞。 订、详私 接收ί 2-圖：為依據本發明第一實施例包含使用無線傳送/ 處切換波束天線1〇8選擇胞元106之方法步驟 線值、、，/ Γ私圖。當热線傳送/接收單元1 〇 2被開啟時，1 二單元1〇2係進入預設模式，藉此全向波型係從 驟丄傳达/接收單元1〇2之切換波束天線1〇8被發射出。步 热線傳迗/接收單元1 02係使用全向波型來測量 數胞元106之信號。步驟2〇4中，無線傳送)接 強Γ 0基於被執行於步驟202之測量結果來選擇具有最 錄ϋΪΪΓ-06。步驟206中’無線傳送/接收單元係登 元選擇=皮已兀1〇6(步驟2〇6)。第一實施例之優點係該胞 凡砲擇程序可被快速執行。 106，^丨旦&無^、線傳送7接收單元102被登錄該被選擇胞元 有被〜H束^擇程序係被執行。最佳波束係藉由評估所 線傳垃（或可替代為被定義波束子組），及決定被無 之最仵早元1〇2之切換波束天線108用來傳送及接收 擇之1 ί來選擇。波束選擇程序可於步驟2G4之胞元選 -^送/接收單元102被指派至該被選擇胞元 1271983 1 號 9410：U7R •五、發明說明（7) 月 曰 修正 106所提供與該被選擇胞元1〇6之基地台1〇4通信 自η天 '，泉1G8之波束為各複數方向性波束時，無線 早7L 1 0 2係測量被接收自該被選擇胞元丨〇 6之信號 2⑻。無線傳送/接收單元1〇2接著基於 二 中之測量結果來選擇具有最強信號之方向：= 被，擇胞元1〇6通信之主動波束（步驟21〇)。無線彳亥 收早兀1 0 2維持與該被選擇胞元丨〇 6之登錄直到另一 1 0 6經由胞元選擇程庠祜、g接盔 , I兀 I時其將被詳細解釋序“擇為止，…第5圖至第7圖 接收Γ元 據本發明第二實施例包含使用無線傳送/ ^收早兀1 02之切換波束天線1〇8選擇胞元 處理3 0 0流程圖。告盔始捕$ / a如 ^万法步脉 線僂择/接你^田熙線傳达/接收單元1〇2被開啟時，益 換叙早兀102係藉由將被發射自天線丨“之波束切 :性波束或全向波型來測量被接收自=胞 U06之續步驟3〇2)。此實 灵數也 元1〇2不僅選擇胞元106來登 ；接收早 擇胞元通信之主動波束。步觀束傳V:該ί選 係基於被執行於步驟302之測量結果來選擇呈=曰收早凡 之胞元/波束組合。步驟3〇6中，無線強信號 動波束來被：來㈣ 二胞元⑽之登錄直到另 耘序被選擇為止。 υ ϋ、、、工由胞兀遙擇 4 J13QQ t，使用全向波型來執行起如的一 4丨 “ 搜尋程序 第13頁 案號 94103478 1271983 年 修正 曰 月 -五、發明說明（8) ‘之，先性可被指定，藉此若被選擇波束非全向波型，則標 示最佳方向性波束/胞元組合之測量結果係被與標示最佳 全向波型/胞元組合之測量結果做比較。因此，方向性波 束僅右與方向性波束相關之測量結果超過與全向波型相關 之測量結果有一預定門檻才被選擇。否則，全向波型係被 選擇。該門檻可被設定為零，該例中全向波型並不具有優 先性。 欠 ，4圖係為依據本發明第三實施例包含使用無線傳送/ 接收單元1 02之切換波束天線丨〇8選擇胞元之方法步驟處理 40 0流程圖。當無線傳送/接收單元1〇2被開啟時，無線傳 送/接收單元1 0 2係使用發射自無線傳送/接收單元丨〇 2之切 換波束天線108之全向波型來測量被接收自複數胞元1〇6之 信號（步驟40 2 )。無線傳送/接收單元1〇2接著基於被執行 於步私4 0 2之測s結果來選擇胞元之子組（步驟4 〇 4)。選擇 胞元^組時，無線傳送/接收單元1〇2可基於使用全向波型 之測量結果、，具有預定門檻以上之測量結果之胞元，或使 用某些其他準則來降低不需被測量之胞元數來選擇最佳胞 元。此降低胞元選擇或再選擇程序中之時間花費。 印無線傳送/接收單元1 〇 2係使用被發射自無線傳送/接 收單元1 0 之切換波束天線1 〇 8之複數方向性波束來測量子 組中各胞兀之信號（步驟4 〇 6 )。無線傳送/接收單元丨〇 2基 於被執行於步驟40 6之測量結果來選擇具有最強信號之月： 几/波束組合（步驟40 8 )。無線傳送/接收單元1〇2係使用爷 被驟皮束作為與該被選擇胞元通信m皮束來登錄 t選擇1元106(步驟410)。無、^^送/接收單元丨02維持:
第14頁 Ί271983 修正
案號 94103478 •五、發明說明（9) 目前胞元1 0 6之登錄直到另一胞元1 n R綠丄二 •選擇為止。 月…⑽經由胞元選擇程序被 處理40 0中，使用全向波型來執行起始胞元搜尋 之，先性可被指定，藉此若被選擇波束非全向波型序 =取佳方向性波束/胞元組合之測量結果係被與標示不 全向波型/胞元組合之測量結果做比較。因此，方向性= 束僅若與方向性波束相關之測量結果超過與全向波型相 =測量結果有一預定門檻才被選擇。否則，全向波型係 延擇。該門檻可被設定為零，該例中全向波型並不具有 先性。 炎 =5圖係為依據本發明第四實施例包含使用無線傳送/ .接收單兀1 〇 2之切換波束天線丨〇 8再選擇胞元丨〇 6之方法步 驟處理5 0 0流程圖。起始胞元搜尋程序被完成且無線傳送/ 接收單元1 〇 2被登錄該被選擇胞元1 〇 6之後，無線傳送/接 收單兀1 0 2定期或不定期使用被用來與該被選擇胞元丨〇 6通 仏之主動波束來測量被接收自複數鄰接胞元之信號（步驟 5〇2) °無線傳送/接收單元102基於被執行於步驟5 0 2之測 里結果來選擇鄰接胞元之子組（步驟5 0 4 )。選擇鄰接胞元 ⑯子組時’無線傳送/接收單元1 0 2可基於例如其測量結果， 具有預疋門檻以上之測量結果之胞元，或具有超過被選擇 胞元測量有一預定門檻之測量結果之胞元來選擇最佳胞 元。可述擇是，胞元子組可包含所有被測量胞元。 無線傳送/接收單元1 0 2係使用被發射自無線傳送/接 收單701 0 2之切換波束天線1 0 8之複數方向性波束或全向波 型來測量被接收自子組中之各鄰接胞元之信號（步驟
第15頁 Ί27Ί983
广 _案號941Q3478 •五、發明說明（10) '506)。無線傳送/接收單元1〇2接著決定被接收自子組中之 鄰接胞元之信號最強測量結果是否較被接收自該被選擇胞 元1 0 6之信號最佳測量結果為高（可被設定為零之某些門 檻）（步驟5 0 8 )。若步驟5 08之決定為負，則無線傳送^接收 單元102係維持與該被選擇胞元106之登錄且處理5⑽結 束。若步驟5 0 8之決定為正，則無線傳送/接收單元丨〇 2啟 動從該被選擇胞元至具有最強測量結果之子組中之鄰接胞 元之胞元交遞（也就是執行胞元再選擇處理）（步驟5丨〇 )。 • 第6圖係為依據本發明第五實施例包含使用無線傳送/ 接收單元102之切換波束天線1〇8再選擇胞元1〇6之方法步 驟處理6 0 0流程圖。起始胞元搜尋程序被完成且無線傳送/ •接收單元1 0 2被登錄該被選擇胞元1 〇 6之後，無線傳送/接 收單元1 0 2定期或不定期使用被用來與該被選擇胞元丨〇 6通 信之主動波束來測量被接收自複數鄰接胞元之信號（步驟 6〇2)。無線傳送/接收單元1〇2基於被執行於步驟6〇2之測 量結果來選擇鄰接胞元之第一子組（步驟6 〇 4 )。選擇鄰接 胞元之第一子組時，無線傳送/接收單元丨0 2可基於例如使 用其測量結果，具有預定門檻以上之測量結果之胞元，或 •具有超過被選擇胞元測量有一預定門檻之測量結果之胞元 來選擇最佳胞元。可選擇是，胞元子組可包含所有被測量 無線傳送/接收單元1 Q 2係使用被發射自無線傳送/接 ^單元1 0 2之切換波束天線1 0 8之全向波型來測量被接收自 =一子組中之鄰接胞元之信號（步驟6 0 6 )。無線傳送/接收 1 02接著基於被執行於步驟6 0 6之測量結果來選擇鄰接
第16頁 1271983
胞元之箸一 卜 第一》士 、、且之第二子組（步驟6 0 8 )。選擇鄰接胞元之 果了 組時，無線傳送/接收單元1 〇2可基於例如其測量結 選擇ί有預ί門檻以上之測量結果之胞元，或具有超過被 々—元’則里有一預疋門檻之測量結果之胞元來選擇最佳 一匕凡。可選擇是，該子組可包含所有屬於第一子組之胞 無線傳送/接收單元1〇2係使用被發射自無線傳送/接 、 —1 〇 2之切換波束天線1 〇 §之各複數方向性波束來測量 鲁被接收自第二子組中之鄰接胞元之信號（步驟610)。無線 傳送收單元1 02接著決定被接收自第二子組中之鄰接胞 元之k號最強測量結果是否較被接收自該被選擇胞元1 〇 6 .之信號最佳測量結果為高（可被設定為零之某些門檻）（步 ‘ 6 1 2 )。若步驟6 1 2之決定為負，則無線傳送/接收單元 1 〇 2係維持與該被選擇胞元1 q 6之登錄且處理6 〇 〇結束。若 步驟61 2之決定為正，則無線傳送/接收單元1〇2啟動從= 被运擇胞元至具有隶強測量結果之第二子組中之鄰接胞元 之胞元交遞（也就是執行胞元再選擇處理）（步驟614)。 第7圖係為依據本發明第六實施例包含使用無線傳送/ p接收單元1 0 2之切換波束天線1 0 8再選擇胞元1 〇 6之方法步 驟處理7 0 0流程圖。起始胞元搜尋程序被完成且無線傳 接收單元1 0 2被登錄該被選擇胞元1 0 6之後，無線傳送/接 收單元1 0 2定期或不定期使用被發射自無線傳送/接收單元 1 0 2之切換波束天線1 〇 8之全向波型來測量被接收自複數, 接胞元之信號（步驟7 0 2 )。無線傳送/接收單元丨〇 2基於被 執行於步驟7 0 2之測量結果來選擇鄰接胞元之子組（步驟
1271983 ----魏94103478 年月日 修正 •五、發明說明（12) " -- ，7 0 4 )。選擇鄰接胞元之子組時，無線傳送/接收單元1 〇 2可 基於例如使用其測量結果，具有預定門檻以上之測量結果 之胞元，或具有超過被選擇胞元測量有一預定門禮之^量 結果之胞元來選擇最佳胞元。可選擇是，胞元之第一子= 可包含所有被測量胞元。 無線傳送/接收單元1 〇 2係使用被發射自無線傳送/接 收單元102之切換波束天線丨08之各複數方向性波束來測量 被接收自子組中之各鄰接胞元之信號（步驟7 〇 6 )。無線傳 鲁^ ^接收單元1 〇 2接著決定被接收自子組中之鄰接胞元之信 ，最強測量結果是否較被接收自該被選擇胞元丨〇 6之信號 最佳測量結果為高（可被設定為零之某此 若步㈣8之以為負’❹線傳送^=元1〇2 第8圖係為依據本發明被配置使用切換波束天線選擇 及再選擇胞元之無線傳送/接收單元10 擇 送/接收單元1 02包含一切換、、古击不治Η 〇 Μ '、，、、银得 _ , t , ★ 刀換波束天線11 2 ’ 一波束切換單 兀1 1 4，一收發器1 1 6，一測吾藍―彳彳。 ^ 平 施、、*击工a !】9 a人、丄 J里早凡11 8及一處理器1 2 0。切 換波束天線1 1 2包§被用來選摆卜 入内必別々％奴工a -木&擇性產生複數方向性波束及 全向波型之稷數天線元件。 係維持與該被選擇胞元之登錄且處理7Q〇結束。若步驟 之決定為正’則無線傳送/接收單元102啟動從該被選擇胞 7L至具有最強測量結果之子組中之鄰接胞元之胞元交遞 (也就是執行胞元再選擇處理）（步驟71〇)。 弟y圖係 換波束天Yl 1 2所Γ生Y方不向之/开線/專送/接^單元1 02之切 係被描繪於第9圖，且任何;’批列。應注思，八（8)波束 ----波束數量均可被產生。因此，
第18頁 1271983 •五、發明說明（13) 本發明應不被建構限制任何特定波束數量。 波束切換單元1 1 4係用於+77祕、+ 土 里 > ,L丨丄 於切換波束為複數方向性波束 之一及方向性波束及全向浊荆> 不 门/皮型之一之間。收發器11 6可接 收來自切換波束天線11 2之传躲廿监* _ T曰 ,。、，曰抑— < 號亚將其饋送至測量單元 11 8。測罝早元11 8係為被用方曰 1 1 2之複數信號之基帶處理 ^ ΦΙ ^ Φ ^ - ^11,处里早兀部分。處理器120係分別控 f J /皮束切換單兀11 4，收私哭]]β 如筮9闽π ㈤ 七為11 6及測量單元11 8，並實行 弟2圖至弟7圖所示上述處理2 0 0 - 7 0 0。 、 I 應注思，本發明不限於二因次命 三因次平面空間。 十面工間，而可應用於
雖然本發明4#3 I AL 實施例中，但各特色或_:已被說明於特定組合中之較佳 或元件而被單獨使用，或且2二二，貝施例之其他特色 之各種組合中。 < ^ " 叙明其他特色及元件 =然本發明已以較佳實施例做說 士仍可了解被概述於以下申铁仁疋热練技術人 之其他變異。 明 11圍中之本發明範疇内 Ί271983 _案號 94103478_年月日__ -圖式簡單說明 -第1圖顯示依據本發明操作之無線通信系統； 第2圖至第4圖係為包含第1圖系統所包括之無線傳送/接收 單元所執行選擇登錄之胞元及選擇被用來與該被選擇胞元 通信之波束之方法步驟處理流程圖； 第5圖至第7圖係為包含第1圖系統所包括之無線傳送/接收 單元所執行再選擇胞元之方法步驟處理流程圖； 第8圖係為包含第1圖系統所包括之無線傳送/接收單元方 塊圖；及 第9圖顯示第8圖之無線傳送/接收單元所製造之方向性波 •束例。 . 元件符號說明： 10 0 無線通信系統 10 2 無線傳輸/接收單元 104 基地台 106 胞元 1 0 8、1 1 2 切換波束天線 114 波束切換單元 kl 16 收發器 118 測量單元 120 處理器
第20頁

Claims (1)

1271983 MJL· umd7R -六、申請專利範圍 修正 ΛΜ. 線通信系統中的二元、:：傳送/接…及複數胞元之無 含可產生禎：： 方法’1亥無線傳送/接收單元包 =產生硬數方向性波束及全向波型之—切換波束天線， (a)该無線傳诗/拉丨々@ — 胞元所接收的信2使用該全向波型來執行測量自該 # ^ ^ ^ ^ ^ ^ ^) ^ ^ ^ „ * …果來&擇及登錄具有最強信號之胞元； (C )忒，、、、線傳送/接收單元使用生、^ 選擇胞元所接收的信號；及 自该被 (C0該無線傳送/接收單元基於步驟（c)所執 果來選擇具有最強信號之方向性波 被:/里/ 通信之該方向性波束。 巧/、忒被遥擇胞π 2.:種於包含至少-無線傳送/接收單元及複數 線通信糸統中的胞元選擇方法，該無線傳送/ _ = 含可產生複數方向性波束及全向波型早70匕 包含： 切換波束天線， (a) 該無線傳送/接收單元使用該方向性波 t來測量自該胞元所接收的信號； $該全向波型 (b) 該無線傳送/接收單元基於步驟（a)所執彳_ 果來選擇具有最強信號之胞元/波束組合；$的該測量結 (c) 該無線傳送/接收單元使用該被選擇波束、 被選擇胞元通信之主動波束來登錄該被選擇為用來與該 3·如申請專利範圍第2項之方法，進一步包含'元。
1271983 修正 曰 -------- 94103478 年 六、申請專利範圍 • 2 破選擇波束並非全向波型，則比較標示該最佳方 二/束/胞元組合之測量結果及標示該最佳全向波型/胞 兀組合之該測量結果。 才關申二專利範圍第3項之方法’其中若與該方向性波束 ^ a ^忒冽量結果超過與該全向波型相關之該測量結果一 之〇 ^ ’則選擇方向性波束，而當與該方向性波束相關 i里結果未超過與該全向波型相關之該測量結果時， 该运擇全向波型。 ^^於包含至少一無線傳送/接收單元及複數胞元之無 二t : ^ 5中的胞元選擇方法，該無線傳送/接收單元包 線"，包含複數方向性波束及一全向波型之一切換波束天 (a )該無線傳送/接收單 所接收的信號；早使用δ亥全向波型來測量自該胞元 (b) 該無線傳送/接收單元基於 旦 果來選擇該胞元之子組； 知（a)所執灯的该測罝結 (c) 该無線傳送/接收單元 收自各該胞元所接收的信號；^方向性波束來測量被接 _(d)該無線傳送/接收單元基於 Γ該測量結果來選擇具有最強信上，仃於步驟（c)所執行的 (e)該無線傳送/接收單元使用，元/、波束組合；及 被選擇胞元通信之主動波束來=2延擇波束作為用來與該 6· -種於包含至少一無線傳送/且接彔^被選擇胞元。 線通信系統中胞元重新選擇欠早凡及複數胞元之無 乃法，該無線傳送/接收單
第22頁 1271983 ’、申清專利範圍 .^包含可產生複數方向性波束及全向 線，包含·· 孓之一切換波束天 (a) 該無線傳送/接收單元使用通常用 之主動波束來登錄被選擇胞元及鄰L =擇胞元通信 之胞元所接收的信號； 自岫接该被選擇胞元 (b) 该無線傳送/接收單元基於步驟 ― 果來選擇該鄰接胞元之子組； 斤執仃的該測量結 (C)该無線傳送/接收單元使用該方向性 測Λ自：子組中之各鄰接胞元所接收的信i “Ϊ向波型 ()右自§亥子組中的該鄰接胞元所接收^ ’ 果两於自該被選擇胞元所接收的芦 q〜取強測量結 無線傳送/接收單元啟動從被選擇胞;"佳二量/果’則該 果之該子組中之該鄰接胞元之胞元交遞至具有表強測量結 7.如申請專利範圍第6項之方法，其 鄰接胞元所接收信號的最強測量 =子組中之該 所接收信號的最佳測量結果有一預=自該被選擇胞元 交遞。 另頂疋門檻，則啟動該胞元 圍第7項之方法，其中該預定門檻為零。 胞=新選擇的方法，該無線傳送/接收單 = 後數方向性波束及一全向波型之一切換波束 (=)主m送/接收單元使用通常用來與被選擇胞元通信 動波束來登錄被選擇胞元及測量自鄰接該被選擇
修正 (b)該無線傳送/接收單元基於步驟（a)所執行的該測量結 果來選擇該鄰接胞元之第一子組； (C) α亥無線傳送/接收單元使用該全向波型來測量自該第一 子組中之各該鄰接胞元所接收的信號； (d)該無線傳送/接收單元基於步驟（c)所執行的該測量結 果來延擇该第一子組中之該鄰接胞元第二子組； (一e)該無線傳送/接收單元使用該方向性波束來測量自該第 私一子:且中之各该鄰接胞元所接收的信號；及 (i \右自&該第二子組中之該鄰接胞元所接收信號的最強測 里結果面於自該被選擇胞元所接收信號的最佳測量結果， =^無線傳送/接收單元啟動從被選擇胞元至具有最強測 里結果之該第二子組中之該鄰接胞元之胞元交遞。 1 〇 ·如:申請專利範圍第9項之方法，其中若自該第二子組中 之該鄰接胞元所接收信號的最強測量結果超過自該被選 胞兀所接收信號的最佳測量結果有一預定門檻， 胞元交遞。 ⑴敬動4 S·。如申請專利範圍第10項之方法，其中該預定門棰為 種於包έ至少一热線傳送/接收單元及複 > 線通信系統中胞元重新選擇的方法，該無線之 兀被配置包含可產生複數方向内=妾收單 換波束天線，包含： 末 王向波型之一切 ⑷該無線傳送/接收單元使用該全向波型來登錄被選擇胞
第24頁 Ί27Ί983
修正
疋及測>量自鄰接該被選擇胞元之胞元所接收的信號； (b )该恶線傳送/接收單元基於步驟（a )所執行的該測量結 果來選擇該鄰接胞元之子組； (C )"亥無線傳送/接收單元使用該方向性波束來測量自該子 組中之各鄰接胞元所接收的信號；及 (d)若自該子組中之該鄰接胞元所接收信號的最強測量結 果南於自該被選擇胞元所接收信號的最佳測量結果，則該 無線傳送/接收單元啟動從被選擇胞元至具有最強測量結 I果之該子組中之鄰接胞元之胞元交遞。 1 3 ·如申請專利範圍第丨2項之方法，其中若自該子組中之 該鄰接胞元所接收信號的最強測量結果超過自該被選擇胞 元所接收信號的最佳測量結果有一預定門檻，則啟動該胞 元交遞。 1 4 ·如申請專利範圍第1 2項之方法，其中該預定門檻為 零0 1 5 · —種於包含複數胞元之無線通信系統中的無線傳送/接 收單元，包含·· (a) ~切換波束天線，用於產生複數方向性波束及一全向 #波型； (b )使用該全向波型來測量自遠胞元所接收信號之裝置； (c) 基於使用該全向波型所執行该測量結果來選擇及登錄 具有最強信號之胞元之裝置； (d) 使用該方向性波束來測f自該被選擇胞元所接收信號 之裝置；及
Ι27Ί983 94103478
_案號 _六、申請專利範圍 (e)基於使用該方向性波束所執行該測量結果來選擇呈有 最強信號之方向性波束作為與該被選擇胞元通信之_；主 波束之裝置。 16.。一種於包含複數胞元之無線通信系統中的無線傳送/接 收單元，包含： (a) —切換波束天線，用於產生複數方向性波束及一全 波型； (b)使用該方向性波束或該全向波型來測量自該胞元 收信號之裝置； c)基於使用該方向性波束或該全向波型所執行之該測量 結果來選擇具有最強信號之胞元/波束組合之裝置；及 _ (d)使用該被選擇波束作為用來與該被選擇胞元通信之主 動波束來登錄該被選擇胞元之裝置。 17.如申請專利範圍第16項之無線傳送/接收單元，進一步 包含： ’ (e)當該被選擇波束並非一全向波型，用以比較標示該最 佳方向性波束/胞元組合之測量結果及標示該最佳全向波 型/胞元組合之該測量結果之裝置。 ⑯1 8.如申清專利範圍第1 7項之無線傳送/接收單元，其中若 與該方向性波束相關之該測量結果超過與該全向波型相關 之该測量結果有一預定門檻，則選擇方向性波束，而當與 该方向性波束相關之該測量結果未超過與該全向波型相關 之該測量結果時，則選擇該全向波型。 1 9 · 一種於包含複數胞元之無線通信系統中的無線傳送/接
第26頁 1271983
案號 94103478 汰、申請專利範圍 •收單元，包含： (a ) —切換波束天線，用於產 波型； 生硬數方向性波束及一全向 (b )使用該全向波型來測量自 (c) 基於使用該全向波型所執^兀=接收信號之裝置； 之子組之裝置； Μ測$結果來選擇該胞元 (d) 使用各該方向性波束來測| 裝置； 」里自各該胞元所接收信號之 e)基於使用各該方向性波束所 ，亡 η #執仃该測量結果來選擇且 有该最強信號之波束/胞元組合之裝置·及 心谭具 =)使用該被選擇波束作為用來與;被選擇胞元通信之 動波束來登錄該被選擇胞元之裝置。 20. —種於包含複數胞元之無線通信系統中的無 收單元，包含： 于接 (a) —切換波束天線，用於產生複數方向性波束及一全向 波型； (b) 使用通常用來與被選擇胞元通信之主動波束來登錄被 選擇胞元及測量自鄰接該被選擇胞元之胞元所接收信號之 ,裝置； (c) 基於使用該主動波束所執行該測量結果來選擇該鄰接 胞元之子組之裝置； (d) 使用該方向性波束或該全向波型來測量自該子組中之 各鄰接胞元所接收信號之裝置；及 (e) 當自該子組中之該鄰接胞元所接收信號的最強測量結
第27頁
_案號 941Q3478 1271983 年
_六、申請專利範圍 -果高於自該被選擇胞元所接收信號的最佳測量結果，用以 啟動從被選擇胞元至具有最強測量結果之該子組中之該鄰 接胞元之胞元交遞之裝置。 " ^ 2 1.如申請專利範圍第2 0項之無線傳送/接收單元，其中若 自該：組中之該鄰接胞元所接收信號的果 自該被選擇胞元所接收信號的最佳測預 檻，則啟動該胞元交遞。 a J 2 2 ·如申請專利範圍第2 1項之鉦線值、、，/ & 預定門播為零。 …、線傳适/接收單元，其中該 2 3 · —種於包含複數胞元之無線通作 收單元，包含： 糸統中的無線傳送/接 (a) —切換波束天線’用於產生福查々 波型； 歌方向性波束及一全向 (b) 使用通常用來與被選擇胞元通 選擇胞元及測量自鄰接該被選擇胞'之主動-波束來登錄被 裝置； 凡之胞元所接收信號之 (c) 基於使用該主動波束所執行該曰 胞元之第一子組之裝置； 、里結果來選擇該鄰接 K d)使用該全向波型來測量自該第〜 元所接收信號之裝置； 子組中之各該鄰接胞 (e) 基於使用該全向波型所執行該剛 卜 子組中之該鄰接胞元之第二子組之舉里、、、σ果來砥擇該第一 (f) 使用該方向性波束來測量自該第&一 f ’ 胞元所接收信號之裝置；及 〜子組中之各該鄰接
第28頁 _案號 94103478 1271983
-六、申請專利範圍 一 ，（g)當自一該第二子組中之該鄰接胞元所接收信號的最強 量結果南於自該被選擇胞元所接收信號的最佳測量社、 用以啟動從被選擇胞元至具有最強測量結果之該第=^ ’ 中之該鄰接胞元之胞元交遞之裝置。 '、4 24. 如申請專利範圍第23項之無線傳送/接收單元，中 自該第二子組中之該鄰接胞元所接收信號的最強測量= 超過自該被選擇胞元所接收信號的最佳測量結果 門檻，則啟動該胞元交遞。 頂疋 25. 如申請專利範圍第24項之無線傳送/接收單元， 預定門檻為零。 〒邊 26. 一-種於包含複數胞元之無線通信系統中的無線傳送/ 收單元，包含·· 、獲 (a) —切換波束天線，用於產生複數方向性波束及一八 波型； 王问 (b)使用該全向波型來登錄被選擇胞元及測量自鄰接該 選擇胞元所接收胞元之信號之裝置； 測量結果來選擇該鄰接 (c)基於使用該全向波型所執行該 胞元之子組之裝置； 中之各鄰接胞 (験（d)基於使用θ亥方向性波束來測量自該子組 元所接收信號之裝置；及 (e)若自該子組中之該鄰接胞元所接收信號的最強測量結 果高於自該破選擇胞元所接收信號的最佳測量結果， 動從被選擇胞元至具有該最強測量結果之該子组鄰 胞元之胞元交遞之裝置。 、& *丨接
第29頁 1271983 _案號 94103478_年月日__ < •六、申請專利範圍 ' 2 7 .如申請專利範圍第2 6項之無線傳送/接收單元，其中若 自該子組中之該鄰接胞元所接收信號的最強測量結果超過 自該被選擇胞元所接收信號的最佳測量結果有一預定門 檻，則啟動該胞元交遞。 2 8 .如申請專利範圍第2 7項之無線傳送/接收單元，其中該 預定門檻為零。
第30頁 1271983 :95. 8. Ί〇%、〇η 圖式 6/6 102
弟圓
102 第9圖 第頁 1271983
TW094103478A 2004-02-07 2005-02-03 Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern TWI271983B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54309004P 2004-02-07 2004-02-07
US11/026,292 US7324817B2 (en) 2004-02-07 2004-12-30 Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern

Publications (2)

Publication Number Publication Date
TW200605606A TW200605606A (en) 2006-02-01
TWI271983B true TWI271983B (en) 2007-01-21

Family

ID=34829655

Family Applications (2)

Application Number Title Priority Date Filing Date
TW094103478A TWI271983B (en) 2004-02-07 2005-02-03 Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern
TW094128267A TWI364997B (en) 2004-02-07 2005-02-03 Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using dircetional beams and an omni-directional beam pattern

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW094128267A TWI364997B (en) 2004-02-07 2005-02-03 Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using dircetional beams and an omni-directional beam pattern

Country Status (7)

Country Link
US (1) US7324817B2 (zh)
EP (1) EP1719351A4 (zh)
JP (1) JP4575926B2 (zh)
KR (1) KR100843284B1 (zh)
CN (1) CN101019329B (zh)
TW (2) TWI271983B (zh)
WO (1) WO2005076839A2 (zh)

Families Citing this family (193)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7286844B1 (en) * 2003-01-31 2007-10-23 Bbn Technologies Corp. Systems and methods for three dimensional antenna selection and power control in an Ad-Hoc wireless network
US7340254B2 (en) * 2004-02-05 2008-03-04 Interdigital Technology Corporation Measurement opportunities for a mobile unit operating with a switched beam antenna in a CDMA system
US7907898B2 (en) * 2004-03-26 2011-03-15 Qualcomm Incorporated Asynchronous inter-piconet routing
US8145201B2 (en) * 2004-12-17 2012-03-27 Raytheon Bbn Technologies Corp. Methods and apparatus for reduced energy communication in an ad hoc network
US8706048B2 (en) * 2006-07-14 2014-04-22 Broadcom Corporation Method and system for explicit feedback with sounding packet for wireless local area networks (WLAN)
KR101222768B1 (ko) * 2006-02-23 2013-01-15 삼성전자주식회사 무선 통신 시스템을 위한 단말의 위치 추정 방법
US7314786B1 (en) * 2006-06-16 2008-01-01 International Business Machines Corporation Metal resistor, resistor material and method
US7924728B2 (en) * 2006-08-25 2011-04-12 Raytheon Bbn Technologies Corp Systems and methods for energy-conscious communication in wireless ad-hoc networks
US8095134B2 (en) * 2006-10-27 2012-01-10 Nokia Corporation Method and apparatus for handover measurement
WO2008053302A2 (en) * 2006-10-30 2008-05-08 Nokia Corporation Apparatus, method and computer program product providing extended measurement control signal for handoff measurement under interference coordination
US8149716B2 (en) 2007-08-20 2012-04-03 Raytheon Bbn Technologies Corp. Systems and methods for adaptive routing in mobile ad-hoc networks and disruption tolerant networks
US8439922B1 (en) 2008-02-06 2013-05-14 NiVasive, Inc. Systems and methods for holding and implanting bone anchors
CN101557619B (zh) * 2008-04-09 2011-06-22 华为技术有限公司 小区重选的方法、终端及系统
KR101442614B1 (ko) * 2008-04-15 2014-11-04 삼성전자주식회사 Ｗｐａｎ에서의 지향성 빔을 이용한 데이터 통신 방법 및이를 위한 장치
CN106413103B (zh) * 2009-04-28 2020-02-21 三菱电机株式会社 移动通信系统、基站以及移动终端
JP2011130355A (ja) * 2009-12-21 2011-06-30 Fujitsu Ltd 移動通信システムにおける移動局及びハンドオーバー制御方法
EP2339883B1 (en) * 2009-12-22 2013-03-20 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for a terminal of a wireless communication network
GB2483700B (en) * 2010-09-17 2014-05-07 Deltenna Ltd Access point siting
US9198698B1 (en) 2011-02-10 2015-12-01 Nuvasive, Inc. Minimally invasive spinal fixation system and related methods
JP5569427B2 (ja) * 2011-02-17 2014-08-13 富士通株式会社 基地局装置、端末装置、無線通信システム、およびハンドオーバ方法
EP2557842B1 (en) * 2011-08-10 2018-05-23 Alcatel Lucent Autonomous cell reselection by a user equipment
US20150018035A1 (en) * 2012-03-15 2015-01-15 Kyocera Corporation Wireless terminal and wireless communication method
CN102882567B (zh) * 2012-06-18 2016-05-04 福建星网锐捷网络有限公司 天线切换方法、装置和无线接入点
US10009065B2 (en) 2012-12-05 2018-06-26 At&T Intellectual Property I, L.P. Backhaul link for distributed antenna system
US9113347B2 (en) 2012-12-05 2015-08-18 At&T Intellectual Property I, Lp Backhaul link for distributed antenna system
US9999038B2 (en) 2013-05-31 2018-06-12 At&T Intellectual Property I, L.P. Remote distributed antenna system
US9525524B2 (en) 2013-05-31 2016-12-20 At&T Intellectual Property I, L.P. Remote distributed antenna system
US8897697B1 (en) 2013-11-06 2014-11-25 At&T Intellectual Property I, Lp Millimeter-wave surface-wave communications
EP3068156B1 (en) * 2013-11-29 2018-01-17 Huawei Device Co., Ltd. Beam precoding manner reporting method, and scheduling method and device
JP6335540B2 (ja) * 2014-02-14 2018-05-30 シャープ株式会社 携帯端末装置
US9692101B2 (en) 2014-08-26 2017-06-27 At&T Intellectual Property I, L.P. Guided wave couplers for coupling electromagnetic waves between a waveguide surface and a surface of a wire
US9768833B2 (en) 2014-09-15 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves
US10063280B2 (en) 2014-09-17 2018-08-28 At&T Intellectual Property I, L.P. Monitoring and mitigating conditions in a communication network
US10340993B2 (en) * 2014-09-26 2019-07-02 Telefonaktiebolaget Lm Ericsson (Publ) Masked beamforming
US9615269B2 (en) 2014-10-02 2017-04-04 At&T Intellectual Property I, L.P. Method and apparatus that provides fault tolerance in a communication network
US9685992B2 (en) 2014-10-03 2017-06-20 At&T Intellectual Property I, L.P. Circuit panel network and methods thereof
US9503189B2 (en) 2014-10-10 2016-11-22 At&T Intellectual Property I, L.P. Method and apparatus for arranging communication sessions in a communication system
US9973299B2 (en) 2014-10-14 2018-05-15 At&T Intellectual Property I, L.P. Method and apparatus for adjusting a mode of communication in a communication network
US9762289B2 (en) 2014-10-14 2017-09-12 At&T Intellectual Property I, L.P. Method and apparatus for transmitting or receiving signals in a transportation system
US9780834B2 (en) 2014-10-21 2017-10-03 At&T Intellectual Property I, L.P. Method and apparatus for transmitting electromagnetic waves
US9653770B2 (en) 2014-10-21 2017-05-16 At&T Intellectual Property I, L.P. Guided wave coupler, coupling module and methods for use therewith
US9312919B1 (en) 2014-10-21 2016-04-12 At&T Intellectual Property I, Lp Transmission device with impairment compensation and methods for use therewith
US9627768B2 (en) 2014-10-21 2017-04-18 At&T Intellectual Property I, L.P. Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
US9520945B2 (en) 2014-10-21 2016-12-13 At&T Intellectual Property I, L.P. Apparatus for providing communication services and methods thereof
US9769020B2 (en) 2014-10-21 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for responding to events affecting communications in a communication network
US9577306B2 (en) 2014-10-21 2017-02-21 At&T Intellectual Property I, L.P. Guided-wave transmission device and methods for use therewith
US10340573B2 (en) 2016-10-26 2019-07-02 At&T Intellectual Property I, L.P. Launcher with cylindrical coupling device and methods for use therewith
US9954287B2 (en) 2014-11-20 2018-04-24 At&T Intellectual Property I, L.P. Apparatus for converting wireless signals and electromagnetic waves and methods thereof
US10243784B2 (en) 2014-11-20 2019-03-26 At&T Intellectual Property I, L.P. System for generating topology information and methods thereof
US9742462B2 (en) 2014-12-04 2017-08-22 At&T Intellectual Property I, L.P. Transmission medium and communication interfaces and methods for use therewith
US10009067B2 (en) 2014-12-04 2018-06-26 At&T Intellectual Property I, L.P. Method and apparatus for configuring a communication interface
US9800327B2 (en) 2014-11-20 2017-10-24 At&T Intellectual Property I, L.P. Apparatus for controlling operations of a communication device and methods thereof
US9461706B1 (en) 2015-07-31 2016-10-04 At&T Intellectual Property I, Lp Method and apparatus for exchanging communication signals
US9544006B2 (en) 2014-11-20 2017-01-10 At&T Intellectual Property I, L.P. Transmission device with mode division multiplexing and methods for use therewith
US9997819B2 (en) 2015-06-09 2018-06-12 At&T Intellectual Property I, L.P. Transmission medium and method for facilitating propagation of electromagnetic waves via a core
US10144036B2 (en) 2015-01-30 2018-12-04 At&T Intellectual Property I, L.P. Method and apparatus for mitigating interference affecting a propagation of electromagnetic waves guided by a transmission medium
US9876570B2 (en) 2015-02-20 2018-01-23 At&T Intellectual Property I, Lp Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
CN107211299A (zh) * 2015-03-05 2017-09-26 联发博动科技（北京）有限公司 Mmw系统中小区选择/重选的方法以及装置
US9749013B2 (en) 2015-03-17 2017-08-29 At&T Intellectual Property I, L.P. Method and apparatus for reducing attenuation of electromagnetic waves guided by a transmission medium
US10224981B2 (en) 2015-04-24 2019-03-05 At&T Intellectual Property I, Lp Passive electrical coupling device and methods for use therewith
US9705561B2 (en) 2015-04-24 2017-07-11 At&T Intellectual Property I, L.P. Directional coupling device and methods for use therewith
US9948354B2 (en) 2015-04-28 2018-04-17 At&T Intellectual Property I, L.P. Magnetic coupling device with reflective plate and methods for use therewith
US9793954B2 (en) 2015-04-28 2017-10-17 At&T Intellectual Property I, L.P. Magnetic coupling device and methods for use therewith
US9490869B1 (en) 2015-05-14 2016-11-08 At&T Intellectual Property I, L.P. Transmission medium having multiple cores and methods for use therewith
US9748626B2 (en) 2015-05-14 2017-08-29 At&T Intellectual Property I, L.P. Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium
US9871282B2 (en) 2015-05-14 2018-01-16 At&T Intellectual Property I, L.P. At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric
US10650940B2 (en) 2015-05-15 2020-05-12 At&T Intellectual Property I, L.P. Transmission medium having a conductive material and methods for use therewith
US9974577B1 (en) 2015-05-21 2018-05-22 Nuvasive, Inc. Methods and instruments for performing leveraged reduction during single position spine surgery
US9917341B2 (en) 2015-05-27 2018-03-13 At&T Intellectual Property I, L.P. Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves
US10812174B2 (en) 2015-06-03 2020-10-20 At&T Intellectual Property I, L.P. Client node device and methods for use therewith
US9912381B2 (en) 2015-06-03 2018-03-06 At&T Intellectual Property I, Lp Network termination and methods for use therewith
US9866309B2 (en) 2015-06-03 2018-01-09 At&T Intellectual Property I, Lp Host node device and methods for use therewith
US10103801B2 (en) 2015-06-03 2018-10-16 At&T Intellectual Property I, L.P. Host node device and methods for use therewith
US9913139B2 (en) 2015-06-09 2018-03-06 At&T Intellectual Property I, L.P. Signal fingerprinting for authentication of communicating devices
US9608692B2 (en) 2015-06-11 2017-03-28 At&T Intellectual Property I, L.P. Repeater and methods for use therewith
US10142086B2 (en) 2015-06-11 2018-11-27 At&T Intellectual Property I, L.P. Repeater and methods for use therewith
US9820146B2 (en) 2015-06-12 2017-11-14 At&T Intellectual Property I, L.P. Method and apparatus for authentication and identity management of communicating devices
US9667317B2 (en) 2015-06-15 2017-05-30 At&T Intellectual Property I, L.P. Method and apparatus for providing security using network traffic adjustments
US9640850B2 (en) 2015-06-25 2017-05-02 At&T Intellectual Property I, L.P. Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium
US9509415B1 (en) 2015-06-25 2016-11-29 At&T Intellectual Property I, L.P. Methods and apparatus for inducing a fundamental wave mode on a transmission medium
US9865911B2 (en) 2015-06-25 2018-01-09 At&T Intellectual Property I, L.P. Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium
US10044409B2 (en) 2015-07-14 2018-08-07 At&T Intellectual Property I, L.P. Transmission medium and methods for use therewith
US10170840B2 (en) 2015-07-14 2019-01-01 At&T Intellectual Property I, L.P. Apparatus and methods for sending or receiving electromagnetic signals
US10033107B2 (en) 2015-07-14 2018-07-24 At&T Intellectual Property I, L.P. Method and apparatus for coupling an antenna to a device
US10148016B2 (en) 2015-07-14 2018-12-04 At&T Intellectual Property I, L.P. Apparatus and methods for communicating utilizing an antenna array
US9722318B2 (en) 2015-07-14 2017-08-01 At&T Intellectual Property I, L.P. Method and apparatus for coupling an antenna to a device
US9628116B2 (en) 2015-07-14 2017-04-18 At&T Intellectual Property I, L.P. Apparatus and methods for transmitting wireless signals
US10320586B2 (en) 2015-07-14 2019-06-11 At&T Intellectual Property I, L.P. Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium
US9847566B2 (en) 2015-07-14 2017-12-19 At&T Intellectual Property I, L.P. Method and apparatus for adjusting a field of a signal to mitigate interference
US9882257B2 (en) 2015-07-14 2018-01-30 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US9853342B2 (en) 2015-07-14 2017-12-26 At&T Intellectual Property I, L.P. Dielectric transmission medium connector and methods for use therewith
US10341142B2 (en) 2015-07-14 2019-07-02 At&T Intellectual Property I, L.P. Apparatus and methods for generating non-interfering electromagnetic waves on an uninsulated conductor
US10033108B2 (en) 2015-07-14 2018-07-24 At&T Intellectual Property I, L.P. Apparatus and methods for generating an electromagnetic wave having a wave mode that mitigates interference
US10205655B2 (en) 2015-07-14 2019-02-12 At&T Intellectual Property I, L.P. Apparatus and methods for communicating utilizing an antenna array and multiple communication paths
US9608740B2 (en) 2015-07-15 2017-03-28 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US9793951B2 (en) 2015-07-15 2017-10-17 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US10090606B2 (en) 2015-07-15 2018-10-02 At&T Intellectual Property I, L.P. Antenna system with dielectric array and methods for use therewith
US9749053B2 (en) 2015-07-23 2017-08-29 At&T Intellectual Property I, L.P. Node device, repeater and methods for use therewith
US9871283B2 (en) 2015-07-23 2018-01-16 At&T Intellectual Property I, Lp Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration
US9912027B2 (en) 2015-07-23 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for exchanging communication signals
US9948333B2 (en) 2015-07-23 2018-04-17 At&T Intellectual Property I, L.P. Method and apparatus for wireless communications to mitigate interference
US9735833B2 (en) 2015-07-31 2017-08-15 At&T Intellectual Property I, L.P. Method and apparatus for communications management in a neighborhood network
US9967173B2 (en) 2015-07-31 2018-05-08 At&T Intellectual Property I, L.P. Method and apparatus for authentication and identity management of communicating devices
US9904535B2 (en) 2015-09-14 2018-02-27 At&T Intellectual Property I, L.P. Method and apparatus for distributing software
US10009063B2 (en) 2015-09-16 2018-06-26 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having an out-of-band reference signal
US10079661B2 (en) 2015-09-16 2018-09-18 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having a clock reference
US10136434B2 (en) 2015-09-16 2018-11-20 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having an ultra-wideband control channel
US9769128B2 (en) 2015-09-28 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for encryption of communications over a network
US9729197B2 (en) 2015-10-01 2017-08-08 At&T Intellectual Property I, L.P. Method and apparatus for communicating network management traffic over a network
US9876264B2 (en) 2015-10-02 2018-01-23 At&T Intellectual Property I, Lp Communication system, guided wave switch and methods for use therewith
US10355367B2 (en) 2015-10-16 2019-07-16 At&T Intellectual Property I, L.P. Antenna structure for exchanging wireless signals
US10665942B2 (en) 2015-10-16 2020-05-26 At&T Intellectual Property I, L.P. Method and apparatus for adjusting wireless communications
CN107508626A (zh) * 2016-06-14 2017-12-22 景略半导体(上海)有限公司 信号追踪接收方法及系统
US20170373739A1 (en) * 2016-06-24 2017-12-28 Asustek Computer Inc. Method and apparatus for utilizing ue (user equipment) beamforming in a wireless communication system
US9961600B2 (en) * 2016-06-30 2018-05-01 Qualcomm Incorporated Techniques for employing antenna switched diversity in wireless communications
KR101971783B1 (ko) * 2016-07-01 2019-08-13 아서스테크 컴퓨터 인코포레이션 무선 통신 시스템에서 측정들을 처리하기 위한 방법 및 장치
US11212153B2 (en) 2016-07-06 2021-12-28 Sony Mobile Communications Inc. Base station, terminal apparatus, communication method and recording medium
WO2018027924A1 (en) * 2016-08-12 2018-02-15 Mediatek Singapore Pte. Ltd. Mechanism to support rrm measurement in new radio access system with beamforming
US9912419B1 (en) 2016-08-24 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for managing a fault in a distributed antenna system
US9860075B1 (en) 2016-08-26 2018-01-02 At&T Intellectual Property I, L.P. Method and communication node for broadband distribution
US10291311B2 (en) 2016-09-09 2019-05-14 At&T Intellectual Property I, L.P. Method and apparatus for mitigating a fault in a distributed antenna system
US11032819B2 (en) 2016-09-15 2021-06-08 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having a control channel reference signal
US10398481B2 (en) 2016-10-03 2019-09-03 Nuvasive, Inc. Spinal fixation system
US10340600B2 (en) 2016-10-18 2019-07-02 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via plural waveguide systems
US10135146B2 (en) 2016-10-18 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via circuits
US10135147B2 (en) 2016-10-18 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via an antenna
US10374316B2 (en) 2016-10-21 2019-08-06 At&T Intellectual Property I, L.P. System and dielectric antenna with non-uniform dielectric
US9876605B1 (en) 2016-10-21 2018-01-23 At&T Intellectual Property I, L.P. Launcher and coupling system to support desired guided wave mode
US9991580B2 (en) 2016-10-21 2018-06-05 At&T Intellectual Property I, L.P. Launcher and coupling system for guided wave mode cancellation
US10811767B2 (en) 2016-10-21 2020-10-20 At&T Intellectual Property I, L.P. System and dielectric antenna with convex dielectric radome
US10312567B2 (en) 2016-10-26 2019-06-04 At&T Intellectual Property I, L.P. Launcher with planar strip antenna and methods for use therewith
US10291334B2 (en) 2016-11-03 2019-05-14 At&T Intellectual Property I, L.P. System for detecting a fault in a communication system
US10225025B2 (en) 2016-11-03 2019-03-05 At&T Intellectual Property I, L.P. Method and apparatus for detecting a fault in a communication system
US10224634B2 (en) 2016-11-03 2019-03-05 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting an operational characteristic of an antenna
US10498044B2 (en) 2016-11-03 2019-12-03 At&T Intellectual Property I, L.P. Apparatus for configuring a surface of an antenna
US10178445B2 (en) 2016-11-23 2019-01-08 At&T Intellectual Property I, L.P. Methods, devices, and systems for load balancing between a plurality of waveguides
US10090594B2 (en) 2016-11-23 2018-10-02 At&T Intellectual Property I, L.P. Antenna system having structural configurations for assembly
US10340601B2 (en) 2016-11-23 2019-07-02 At&T Intellectual Property I, L.P. Multi-antenna system and methods for use therewith
US10340603B2 (en) 2016-11-23 2019-07-02 At&T Intellectual Property I, L.P. Antenna system having shielded structural configurations for assembly
US10535928B2 (en) 2016-11-23 2020-01-14 At&T Intellectual Property I, L.P. Antenna system and methods for use therewith
US10361489B2 (en) 2016-12-01 2019-07-23 At&T Intellectual Property I, L.P. Dielectric dish antenna system and methods for use therewith
US10305190B2 (en) 2016-12-01 2019-05-28 At&T Intellectual Property I, L.P. Reflecting dielectric antenna system and methods for use therewith
US10326494B2 (en) 2016-12-06 2019-06-18 At&T Intellectual Property I, L.P. Apparatus for measurement de-embedding and methods for use therewith
US10135145B2 (en) 2016-12-06 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for generating an electromagnetic wave along a transmission medium
US10755542B2 (en) 2016-12-06 2020-08-25 At&T Intellectual Property I, L.P. Method and apparatus for surveillance via guided wave communication
US10819035B2 (en) 2016-12-06 2020-10-27 At&T Intellectual Property I, L.P. Launcher with helical antenna and methods for use therewith
US10382976B2 (en) 2016-12-06 2019-08-13 At&T Intellectual Property I, L.P. Method and apparatus for managing wireless communications based on communication paths and network device positions
US10020844B2 (en) 2016-12-06 2018-07-10 T&T Intellectual Property I, L.P. Method and apparatus for broadcast communication via guided waves
US10727599B2 (en) 2016-12-06 2020-07-28 At&T Intellectual Property I, L.P. Launcher with slot antenna and methods for use therewith
US10694379B2 (en) 2016-12-06 2020-06-23 At&T Intellectual Property I, L.P. Waveguide system with device-based authentication and methods for use therewith
US10637149B2 (en) 2016-12-06 2020-04-28 At&T Intellectual Property I, L.P. Injection molded dielectric antenna and methods for use therewith
US10439675B2 (en) 2016-12-06 2019-10-08 At&T Intellectual Property I, L.P. Method and apparatus for repeating guided wave communication signals
US9927517B1 (en) 2016-12-06 2018-03-27 At&T Intellectual Property I, L.P. Apparatus and methods for sensing rainfall
US10027397B2 (en) 2016-12-07 2018-07-17 At&T Intellectual Property I, L.P. Distributed antenna system and methods for use therewith
US10446936B2 (en) 2016-12-07 2019-10-15 At&T Intellectual Property I, L.P. Multi-feed dielectric antenna system and methods for use therewith
US10243270B2 (en) 2016-12-07 2019-03-26 At&T Intellectual Property I, L.P. Beam adaptive multi-feed dielectric antenna system and methods for use therewith
US10139820B2 (en) 2016-12-07 2018-11-27 At&T Intellectual Property I, L.P. Method and apparatus for deploying equipment of a communication system
US10389029B2 (en) 2016-12-07 2019-08-20 At&T Intellectual Property I, L.P. Multi-feed dielectric antenna system with core selection and methods for use therewith
US10359749B2 (en) 2016-12-07 2019-07-23 At&T Intellectual Property I, L.P. Method and apparatus for utilities management via guided wave communication
US10168695B2 (en) 2016-12-07 2019-01-01 At&T Intellectual Property I, L.P. Method and apparatus for controlling an unmanned aircraft
US10547348B2 (en) 2016-12-07 2020-01-28 At&T Intellectual Property I, L.P. Method and apparatus for switching transmission mediums in a communication system
US9893795B1 (en) 2016-12-07 2018-02-13 At&T Intellectual Property I, Lp Method and repeater for broadband distribution
US10938108B2 (en) 2016-12-08 2021-03-02 At&T Intellectual Property I, L.P. Frequency selective multi-feed dielectric antenna system and methods for use therewith
US9998870B1 (en) 2016-12-08 2018-06-12 At&T Intellectual Property I, L.P. Method and apparatus for proximity sensing
US10777873B2 (en) 2016-12-08 2020-09-15 At&T Intellectual Property I, L.P. Method and apparatus for mounting network devices
US10530505B2 (en) 2016-12-08 2020-01-07 At&T Intellectual Property I, L.P. Apparatus and methods for launching electromagnetic waves along a transmission medium
US10601494B2 (en) 2016-12-08 2020-03-24 At&T Intellectual Property I, L.P. Dual-band communication device and method for use therewith
US10389037B2 (en) 2016-12-08 2019-08-20 At&T Intellectual Property I, L.P. Apparatus and methods for selecting sections of an antenna array and use therewith
US10411356B2 (en) 2016-12-08 2019-09-10 At&T Intellectual Property I, L.P. Apparatus and methods for selectively targeting communication devices with an antenna array
US10103422B2 (en) 2016-12-08 2018-10-16 At&T Intellectual Property I, L.P. Method and apparatus for mounting network devices
US9911020B1 (en) 2016-12-08 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for tracking via a radio frequency identification device
US10326689B2 (en) 2016-12-08 2019-06-18 At&T Intellectual Property I, L.P. Method and system for providing alternative communication paths
US10069535B2 (en) 2016-12-08 2018-09-04 At&T Intellectual Property I, L.P. Apparatus and methods for launching electromagnetic waves having a certain electric field structure
US10916969B2 (en) 2016-12-08 2021-02-09 At&T Intellectual Property I, L.P. Method and apparatus for providing power using an inductive coupling
US10340983B2 (en) 2016-12-09 2019-07-02 At&T Intellectual Property I, L.P. Method and apparatus for surveying remote sites via guided wave communications
US9838896B1 (en) 2016-12-09 2017-12-05 At&T Intellectual Property I, L.P. Method and apparatus for assessing network coverage
US10264586B2 (en) 2016-12-09 2019-04-16 At&T Mobility Ii Llc Cloud-based packet controller and methods for use therewith
US9973940B1 (en) 2017-02-27 2018-05-15 At&T Intellectual Property I, L.P. Apparatus and methods for dynamic impedance matching of a guided wave launcher
US10298293B2 (en) 2017-03-13 2019-05-21 At&T Intellectual Property I, L.P. Apparatus of communication utilizing wireless network devices
CN108668312B (zh) * 2017-03-29 2021-10-26 华为技术有限公司 一种测量参数发送方法及其装置
US10644974B2 (en) 2017-05-04 2020-05-05 At&T Intellectual Property I, L.P. Measurements and radio link monitoring in a wireless communications system
US11032744B2 (en) 2017-05-04 2021-06-08 At&T Intellectual Property I, L.P. Inter-distributed unit beam switch procedure triggered by radio link interruption
US10743203B2 (en) * 2017-06-06 2020-08-11 Qualcomm Incorporated Minimizing interference by controlling beam width of a wireless device
CN109004969A (zh) * 2017-06-07 2018-12-14 中国移动通信集团公司 一种接收信源选择处理装置
US10863366B2 (en) * 2017-06-23 2020-12-08 Qualcomm Incorporated Receiver beamforming for serving and neighbor cell measurements
GB2564397B (en) * 2017-07-06 2021-12-08 Airspan Ip Holdco Llc Scanning in a wireless network
WO2019032030A1 (en) * 2017-08-11 2019-02-14 Telefonaktiebolaget Lm Ericsson (Publ) METHODS AND APPARATUS FOR REALIZING A NEW RADIO CELL SELECTION / RESELECTION
KR102365184B1 (ko) 2017-08-25 2022-02-18 삼성전자주식회사 빔 선택 방법 및 그 전자 장치
US10499398B2 (en) 2017-09-29 2019-12-03 At&T Intellectual Property I, L.P. Facilitating mobile device-assisted mobility enhancement to improve user plane interruption time
TWI658707B (zh) 2017-12-14 2019-05-01 財團法人工業技術研究院 通訊系統及其運作方法
US11051861B2 (en) 2018-06-13 2021-07-06 Nuvasive, Inc. Rod reduction assemblies and related methods
WO2020139369A1 (en) * 2018-12-28 2020-07-02 Feng Xue Unmanned aerial vehicle antenna configurations
CN117793855A (zh) * 2022-09-21 2024-03-29 展讯通信（上海）有限公司 通信方法及通信装置

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2196527B1 (zh) 1972-08-16 1977-01-14 Materiel Telephonique
US4236158A (en) 1979-03-22 1980-11-25 Motorola, Inc. Steepest descent controller for an adaptive antenna array
US5905473A (en) 1997-03-31 1999-05-18 Resound Corporation Adjustable array antenna
US6038448A (en) 1997-07-23 2000-03-14 Nortel Networks Corporation Wireless communication system having hand-off based upon relative pilot signal strengths
KR100414932B1 (ko) * 1998-01-24 2004-04-03 삼성전자주식회사 이동통신시스템의데이타통신방법
US6603751B1 (en) 1998-02-13 2003-08-05 Qualcomm Incorporated Method and system for performing a handoff in a wireless communication system, such as a hard handoff
US5966384A (en) * 1998-05-08 1999-10-12 Motorola, Inc. Method and apparatus for data transmission within a broad-band communication system
US6229486B1 (en) 1998-09-10 2001-05-08 David James Krile Subscriber based smart antenna
DE69828277D1 (de) 1998-09-18 2005-01-27 Bosch Gmbh Robert Mobilstation mit Richtantennen
US6933887B2 (en) 1998-09-21 2005-08-23 Ipr Licensing, Inc. Method and apparatus for adapting antenna array using received predetermined signal
US6600456B2 (en) 1998-09-21 2003-07-29 Tantivy Communications, Inc. Adaptive antenna for use in wireless communication systems
US6404386B1 (en) 1998-09-21 2002-06-11 Tantivy Communications, Inc. Adaptive antenna for use in same frequency networks
US6100843A (en) 1998-09-21 2000-08-08 Tantivy Communications Inc. Adaptive antenna for use in same frequency networks
JP2000299659A (ja) * 1999-04-14 2000-10-24 Mitsubishi Electric Corp 無線送信出力制御装置および無線通信システム
US6834190B1 (en) * 1999-06-23 2004-12-21 Samsung Electronics Co., Ltd Controlling method and apparatus for transition between modes at traffic channel substrate in mobile communication system
EP1063789B1 (en) * 1999-06-23 2007-08-01 Sony Deutschland GmbH Transmit and receiving antenna diversity
US6542743B1 (en) 1999-08-31 2003-04-01 Qualcomm, Incorporated Method and apparatus for reducing pilot search times utilizing mobile station location information
US6725062B1 (en) * 1999-12-08 2004-04-20 Nortel Networks Limited Method to increase the number of simultaneous users in a control hold MAC state in CDMA
KR100547851B1 (ko) * 1999-12-29 2006-02-01 삼성전자주식회사 부호분할 다중접속 시스템에서 데이터 전송 방법
US6697610B1 (en) * 2000-06-15 2004-02-24 Zenith Electronics Corporation Smart antenna for RF receivers
US6697642B1 (en) 2000-07-19 2004-02-24 Texas Instruments Incorporated Wireless communications apparatus
US6515635B2 (en) 2000-09-22 2003-02-04 Tantivy Communications, Inc. Adaptive antenna for use in wireless communication systems
US6771622B1 (en) 2000-11-17 2004-08-03 Koninklijke Philips Electronics N.V. Pilot-signal searching with decimation reordering
US20020071403A1 (en) 2000-12-07 2002-06-13 Crowe M. Shane Method and system for performing a CDMA soft handoff
US6456257B1 (en) 2000-12-21 2002-09-24 Hughes Electronics Corporation System and method for switching between different antenna patterns to satisfy antenna gain requirements over a desired coverage angle
US7340279B2 (en) 2001-03-23 2008-03-04 Qualcomm Incorporated Wireless communications with an adaptive antenna array
US6660456B2 (en) * 2001-06-27 2003-12-09 International Business Machines Corporation Technique for the size reduction of vias and other images in semiconductor chips
AU2003225739A1 (en) * 2002-03-08 2003-09-22 Ipr Licensing, Inc. Antenna adaptation to manage the active set to manipulate soft hand-off regions
CA2485165A1 (en) 2002-05-07 2003-11-20 Ipr Licensing, Inc. Antenna adaptation in a time division duplexing system
US20030228857A1 (en) 2002-06-06 2003-12-11 Hitachi, Ltd. Optimum scan for fixed-wireless smart antennas
US7089004B2 (en) 2002-07-18 2006-08-08 Texas Instruments Incorporated Method and apparatus for scheduling cell search in CDMA mobile receivers
US7136483B2 (en) * 2002-07-24 2006-11-14 Telefonaictiebolaget Lm Ericsson (Publ) Mobile terminal mode control in high data rate CDMA system
CN100379312C (zh) 2002-08-27 2008-04-02 高通股份有限公司 空闲模式小区的重新获取和重新选择
US7065373B2 (en) 2002-10-18 2006-06-20 Itt Manufacturing Enterprises, Inc. Method of steering smart antennas
US6769665B2 (en) * 2002-12-13 2004-08-03 Young & Franklin Inc. Electric valve actuator with failsafe apparatus

Also Published As

Publication number Publication date
KR20060111712A (ko) 2006-10-27
EP1719351A4 (en) 2007-09-05
WO2005076839A2 (en) 2005-08-25
JP2007525893A (ja) 2007-09-06
JP4575926B2 (ja) 2010-11-04
TW200605606A (en) 2006-02-01
WO2005076839A3 (en) 2007-04-12
TWI364997B (en) 2012-05-21
EP1719351A2 (en) 2006-11-08
TW200627993A (en) 2006-08-01
CN101019329B (zh) 2011-09-07
CN101019329A (zh) 2007-08-15
US20050176468A1 (en) 2005-08-11
US7324817B2 (en) 2008-01-29
KR100843284B1 (ko) 2008-07-03

Similar Documents

Publication Publication Date Title
TWI271983B (en) Wireless communication method and apparatus for selecting and reselecting cells based on measurements performed using directional beams and an omni-directional beam pattern
US20220060967A1 (en) Method and apparatus for selecting relay in device-to-device communication
JP7050670B2 (ja) システム情報を送信するための方法、基地局、端末、およびシステム
CN110169139B (zh) 随机接入方法、用户设备和网络设备
CN107409416B (zh) 随机接入响应与模拟波束成形
TWI478614B (zh) 多載體多重無線電存取技術網路內之通道選擇
EP3481104B1 (en) Measurement method for wireless communication network, base station, and terminal
US20180007577A1 (en) Method and apparatus for handling measurement in a wireless communication system
ES2780855T3 (es) Métodos para conexión de radio
CN112930652B (zh) 用于在无线通信中进行多层波束成形的技术
KR101272203B1 (ko) 무선 통신 네트워크에서 주파수간 핸드오프를 수행하기 위한 방법 및 장치
US10237755B2 (en) Method and apparatus for handling beamforming in a wireless communication system
EP3837776A1 (en) Techniques for beam failure recovery in wireless communications
JP2009535925A (ja) 無線通信のための拡張された移動度サポート
CN111510937A (zh) 多射频接收能力终端的测量配置方法、系统及终端
US9392506B2 (en) Method of transmitting cell identity information
EP3108712B1 (en) Prach selection in combined radio cell deployments
CN113365314B (zh) 一种小区切换方法及装置
EP2775763B1 (en) Method of handling selections of base stations
KR20170140629A (ko) 무선 통신 시스템에서 측정 셀 선택 방법
US8125951B2 (en) Network entry procedure in multi-channel mobile networks
EP2391162A1 (en) Wireless base station and mobile station
Chen Early Determination of SIM Switching in Mobile Telecommunication System
CN117640042A (zh) 通信处理方法、装置、终端及网络侧设备
CN109548043A (zh) 小区信号质量确定、小区选择或重选方法、设备及介质

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees