multiple access protocol 中文意思是什麼

multiple access protocol 解釋
多路存取協議
  • multiple : adj 1 多重的；復合的 復式的 多數的 多樣的。2 倍數的 倍。3 【電學】並聯的；多路的 復接的。4 【植物...
  • access : n. 1. 接近；會面。2. 捷徑，門路〈指方法、手段〉；檢查孔；進路，入口；【自動化】（存貯器的）存取。3. （病的）發作；（怒氣等的）爆發。4. 增加。
  • protocol : n 1 議定書；調查書，始末記。2 （條約等的）草案，草約；（羅馬教皇詔書等的）首尾程式。3 〈the P 〉 ...
  1. Ais works on the marine vhf, use the sotdma ( self organized time division multiple access ) data chain protocol to transfer data of ships. the ais can help the limits of the current services, and decrease the collide case of ships, and improve the value of the safe action in marine, and make the content of the radar and the vts more stronger

    船舶自動識別系統（ automaticidentificationsystem ，簡稱ais ）工作在海上vhf頻段，運用sotdma方式發射船舶數據，具有補充現有船舶導航存在的缺陷，減少船舶碰撞事故；提高搜救船舶海上救助的速度；增強雷達、船舶交通管理系統vts的功能。
  2. The medium access control ( mac ) layer protocol of the airlink interface between the mobile data base station ( mdbs ) and mobile end systems ( m - ess ) in cellular digital packet data ( cdpd ) is studied firstly. the access method of slotted non - persistent digital sense multiple access with collision detection ( dsma / cd ) is described mainly

    本文首先研究了蜂窩數字分組數據（ cdpd ）空中介面中的介質接入控制層（ mac ）協議，詳細論述了基於時隙的非堅持的、帶沖突檢測的數字載波偵聽多址接入協議（ dsma cd ） 。
  3. Fa _ maca is an improvement of the well known maca ( multiple access collision avoidance ) protocol, which not only avoids the " hidden terminal " problem in wireless channel, but also adaptively adjust the access delay based on the traffic flow and traffic priority of the network

    將多業務種類的不同接入時延調整策略和傳統的maca多址接入協議相結合，提出了應用在adhoc網路中的流量自適應的maca接入協議? fa - maca 。
  4. The directional routing protocol ds _ dsr put forward by the author is the improvement of the current protocol dsr, complete routine discovery and maintenance by directional neighbor nodes routing table, source routing and directional steering. the research discovers the application of the directional antenna, compare the omnidirectional antenna can increases the networks " total throughput, obviously reduces the co _ channel interference ( cci ), multiple access interference ( mai ), enlarges the nodes " signal and interference to noise ratio ( sinr ), and because of the high gain of directional antenna can realize the communication with farther distance and less jump, end to end delay can decrease deeply, simultaneously, security of networks can be improved partially, the node energy also can be saved easily by power control

    本文提出的定向路由協議ds _ dsr是基於對現有協議dsr的改進下實現的，通過定向鄰節點路由表、定向源路由和定向搜索來完成路由發現與維護。研究發現，定向天線的應用，相比全向天線可明顯提高網路的總的吞吐量，減少通道干擾、多址干擾，提高信干噪比，且由於定向天線的高增益可實現較遠距離、較少跳數的通信，減少了路由發現時間，這樣大大減小了傳輸時延，網路的整體性能得到了不同程度的提高，同時部分地解決安全問題，通過功率控制還可較容易的實現節能的目的。
  5. Simulation results show that abf - csma / ca protocol can realize space - division - multiple - access ( sdma ) and provide very high channel utilization. chapter 3 considers employing smart antennas in the central access point ( cap ) of wireless internet access networks

    第三章研究了智能天線在internet無線接入網路中的應用，主要考慮使用智能天線對抗同通道干擾與多徑衰落，增加覆蓋范圍，並在mac層實現智能天線與網路的有機結合。
  6. An adaptive slot allocation multiple access ( asama ) protocol is proposed

    提出了自適應時隙分配多址接入協議（ asama ） 。
  7. The paper contains all kinds of knowledge related to the system, including maxwell electromagnetic theory, pattern of optical radiation in space, channel model of atmosphere communication, computer communication protocols, wireless lan communication protocols, medium access control protocol, carrier sense multiple access / collision detection protocol, manchester coding theory, pulse position modulation coding theory and so on

    主要包括： maxwell電磁理論；發送光場模型；空間通道模型；計算機網路通信技術：無線局域網通信技術；媒體訪問控制規程（ mac ） ；載波檢測多址接入碰撞檢測規程（ csma cd ） ；曼徹斯特編碼與ppm編碼技術等。
  8. Optical code division multiple access ( ocdma ) technology possess the characteristics of combating interference, high frequency efficiency, security, and simply network protocol, random access, so it is competitive to apply ocdma to wireless optical access network

    光碼分多址（ ocdma ）技術具有的抗干擾能力強、頻率利用率高、保密性好、網路協議簡單、支持隨機接入等優點，將其應用到無線光接入網中，不僅具有cdma技術的優點又保持了無線光通信的優點，實現二者優勢互補。
  9. The concept " equivalent service time " is used to describe our model and then the system can obtain the good performance without loss of any store resources. 2. a novel mac protocol for ad hoc network ~ fa _ maca ( flow adaptive multiple access with collision avoidance ) is presented

    而且，通過對最佳緩存模型的設計，可以在保證系統的qos要求的情況下，提供最合適的發送緩存區大小，有效的降低不必要的資源浪費。
  10. Several kind of typical mac protocols in access network were analyzed. investigating and comparing the characteristics among tdma 、 wdma 、 cdma ; random multiple access protocols such as aloha were analyzed ; slotted aloha - cdma multiple access protocol was analyzed too

    分析了以aloha協議為代表的隨機多址接入協議的特點，以及固定與隨機相結合的時隙aloha - cdma多址接入協議的特點。
  11. Simulations results under rayleigh fading channel and on / off traffic model show that asama protocol can effectively support the application of smart antennas and provides high channel utilization and low delay. in chapter 5, we propose a qos ( quality - of - service ) - supported adaptive slot allocation multiple access ( qasama ) protocol

    在考慮多波束智能天線，及話音與數據業務特點的基礎上，提出了提供qos保障的自適應時隙分配多址接入協議（ qasama 、 。
  12. Due to the data transmission characteristics between tags and reader, space division multiple access ( sdma ), frequency division multiple access ( fdma ) and code division multiple access ( cdma ) are applied in a limited way in rfid system. therefore, time division multiple ( tdma ) has been generally accepted. according to tdma, there are aloha protocol, s - aloha, binary - tree protocol, clipped binary - tree protocol and others

    解決這個問題必須要用到多路存取法，針對射頻識別系統中閱讀器與應答器之間的通信特點，空分多路法、頻分多路法、碼分多路法在rfid系統中應用都受到一定的限制，只能應用到一些特定的場合，一般採用時分多路法，按照時分多路法的演算法有aloha演算法、時隙aloha演算法、二進制樹型搜索演算法、修剪枝的二進制樹型搜索演算法等防碰撞演算法協議，分析了各自特點以及存在的缺點。
  13. Previous research on the ad hoc network almost aim at omnidirectional antenna of all receivers and transmitters, or as a default attribution. in my thesis, firstly i describe the advantages of the directional antenna at many aspects which including spatial division multiple access ( sdma ), the antenna gain, anti - interference etc. and analyze the possibility about the directional antenna used for the ad hoc networks, secondly i study its multiple access and routine protocols using the directional antenna. and compare the protocol difference and network " performance between omnidirectional and directional antenna in particular environment

    首先闡述了定向天線在網路空分復用（ sdma ） 、天線增益、抗干擾等方面的的優勢，分析了定向天線用於移動自組網的可行性，接著重點研究了基於定向天線的多址接入協議和路由協議，分析了與全向天線在組網和協議實現中的異同點和優缺點，並對特定的環境下的網路性能作了對比。
  14. In order to combine the virtues of reservation anoha and cdma, we bring forward the spread aloha ( sana ) protocol and reservation code multiple - access ( rcma ) protocol and analysis their performance

    為了結合aloha和cdma的優點，在aloha和prma的基礎上提出了擴展aloha （ sama ）和預約碼多址接入rcma ，並對其性能進行了分析。
  15. The research work in this dissertation carries a deep study on new techniques of prn and put emphasis on the multiple access protocol to support the integration of smart antennas with prn. the major achievements are outlined as follow

    近年來，諸多新的應用對分組無線網的研究和發展不斷提出新的挑戰；另一方面，通信和微電子技術的迅速發展又為分組無線網的發展創造了良好的契機。
  16. An on - demand synchronization code division multiple access odscdma protocol for the mobile ad hoc network was proposed. the protocol established the temporary synchronization between the sending node and receiving node only when they are communicating.

    協議僅在通信時在收發節點間建立臨時的同步，綜合了同步與異步mac協議的優點，通過時隙預留，功率控制和cdma技術來提高網路的性能。
  17. Firstly, inttoduce and analysis the reservation random access protocol ( rra ), which is fit to the data services. then the packet reservation multiple access ( prma ) protocol is introduced, which is fit to the integrated voice / data services

    首先介紹和分析了針對數據業務的預約隨機接入（ rra ） ，然後介紹了支持話音和數據綜合業務的多址接入方法prma 。
  18. Multiple access protocol

    多址協議
  19. On - demand synchronization cdmaa new multiple access protocol for the mobile ad hoc network

    一種新的移動ad hoc網路的按需同步碼分多址協議
  20. Chapter 2 studies the approach to employ smart antennas in mobile ad hoc network ( manet ) nodes. the research status of mobile smart antennas ( or handheld smart antennas ) is reviewed, and the effection of smart antennas on the performance of multiple access protocol is discussed

    本文的主要內容和貢獻包括以下幾個方面：第二章對智能天線（自適應波束形成天線）在移動adhoc網路（ manet ）中的應用進行了具體、深入的研究。
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