On condition that all packets can be received successfully , the basestation dynamically schedules uplink and downlink traffic to achieve efficient sdma . approximate analysis of channel utilization is presented 結(jié)果表明, asama協(xié)議能有效支持多波束智能天線應(yīng)用以實(shí)現(xiàn)信道空分復(fù)用,具有很高的信道利用率與良好的時(shí)延性能。
Another trend is towards phones that double as both fixed and mobile devices , using cellular networks when outdoors and switching to fixed networks , accessed via a short - range radio link to a small basestation , when indoors 另一個(gè)趨勢(shì)是電話會(huì)兼作移動(dòng)設(shè)備與固定設(shè)備,在室外使用蜂窩式網(wǎng)絡(luò),而進(jìn)入室內(nèi)時(shí),可通過短程電波接入小型基站切換至固話網(wǎng)絡(luò)。
The product is ideally suited for demanding applications in military communications , 3g & 4g cellular basestation development , signal intelligence , smart antenna , radar beamforming , wireless test & measurement and satellite ground stations 下面列出各地區(qū)該產(chǎn)品客戶支持的聯(lián)系信息。該產(chǎn)品所有相關(guān)的文件和軟件都可以在產(chǎn)品頁的“下載”條目處進(jìn)行下載。
This paper discusses a feasible scheme , which adopts over the air autonomous decentralized synchronization technique to solve td scdma inter basestation synchronization . it also gives out the simulation results of the residual timing error between basestations 討論了采用空中自動(dòng)分布式同步作為td - scdma系統(tǒng)基站間同步的可行方案,并給出了相應(yīng)基站間定時(shí)殘留誤差的仿真結(jié)果。
Analysis and simulation results show that the proposed pb - abfma protocols can effectively support the application of smart antennas and provide high channel utilization and low turn - around delay . in chapter 4 , we study employing smart antennas in the basestation of packet radio networks 結(jié)果表明, pb - abfma協(xié)議能夠有效支持智能天線應(yīng)用并具有較高的信道利用率與良好的時(shí)延性能,其簡(jiǎn)單有效的碰撞分解算法能保證新用戶快速接入信道。