After the successful global introduction during the past decade of the second generation (2G) digital mobile communications systems, it seems that the third generation (3G) Universal Mobile Communication System (UMTS) has finally taken off, at least in some regions. The plethora of new services that are expected to be offered by this system requires the development of new paradigms in the way scarce radio resources should be managed. The Quality of Service (QoS) concept, which introduces in a natural way the service differentiation and the possibility of adapting the resource consumption to the specific service requirements, will open the door for the provision of advanced wireless services to the mass market.
標(biāo)簽： the introduction successful generation
上傳時間： 2013-12-30
上傳用戶：qq21508895
RFID, the wireless technology that has helped millions of people around the world to protect their property and make their workplaces safer is now in danger of being viewed as a security risk. Ray Stanton examines the love-hate relationship between people and radio Frequency Identification [RFID] tags and highlights the need for informed debate about the privacy issues the technology raises.
標(biāo)簽： technology the millions wireless
上傳時間： 2017-03-19
上傳用戶：cmc_68289287
MULTIPLE ACCESS TECHNIQUES - THE MAIN ACCESSING TECHNIQUES USED IN MOBILE COMMUNICATIONS: PERFORMANCE AND CHARACTERISTICS -Duplex transmissions - Multiple access in mobile communications -Characteristics and parameters of FDMA systems - The characteristics and parameters of the TDMA systems - The characteristics and parameters of CDMA systems -Packet radio – PR - ALOHA
標(biāo)簽： TECHNIQUES COMMUNICATIONS ACCESSING MULTIPLE
上傳時間： 2013-12-23
上傳用戶：watch100
Aplikasi Security Surveillance System Menggunakan Webcam dan HP dengan Fasilitas General Packet radio Services dan MMS
標(biāo)簽： Surveillance Menggunakan Fasilitas Aplikasi
上傳時間： 2014-01-07
上傳用戶：亞亞娟娟123
In this paper, the feasibility of replacing a chaos source by an equivalent digital pseudo-random generator realized using Linear Feedback Shift Register (LFSR) is studied. Particular emphasis is given on the digital implementation Piece-Wise Linear A ffine Maps (PWAM). As an application, an FPGA implementation of four different maps has been experimentally verifi ed in a FM-DCSK test radio system.
標(biāo)簽： pseudo-random feasibility equivalent replacing
上傳時間： 2013-12-13
上傳用戶：從此走出陰霾
[開源 綠色軟件] [運(yùn)行環(huán)境 Windows XP/7/8/10] [語言 簡體/繁體/English/Unicode] A cool music player. Powered by Bass and BassVis. 極簡本地音樂播放器，透明、純文本界面。支持輕媒體庫、歌詞、可視化。最小化到托盤，占用資源少，適合邊聽音樂邊工作。 應(yīng)網(wǎng)友要求，加入了Tag編輯、自動切換列表、播放隊(duì)列、鼠標(biāo)手勢、均衡器、音頻設(shè)備選擇、全局音量滾輪（托盤區(qū)域）、字體設(shè)置、極簡模式、鼠標(biāo)穿透、嵌入桌面、簡單布局等功能。 homepage> mcool.appinn.me ==================================================== 音頻格式APE、FLAC、WavPack、MP3、OGG、TTA、TAK、Musepack、AAC、AC3、WMA、Wav、CD、ALAC、Aiff、MOD、CUE ==================================================== 更新歷史: 3336 -2016.3.25 點(diǎn)睛之筆：任意布局（追上foobar2000）。Arbitrary layout (all in one). 3330 -2016.3.10 一體布局之比例調(diào)節(jié)（初具foobar2000風(fēng)貌）。Ratio adjust (all in one). 3308 -2015.11.28 歌詞微調(diào)（在選項(xiàng)>常規(guī)>鼠標(biāo)手勢里設(shè)置）。Adds function of lyrics tuning. 3306 -2015.11.15 電臺模式（整點(diǎn)時切換歌曲或列表，并非在線音樂），以及多聲卡支持。Adds radio mode, and multi sound card support. 3300 -2015.10.15 完善細(xì)節(jié)，修復(fù)切歌卡住bug。完美版。Fixes some bugs. 3280 -2015.8.1 簡單布局功能。Layout (all in one) function. 3260 -2015.6.1 Win10模式。Win10 mode. 3252 -2015.5.10 任務(wù)欄進(jìn)度條。Taskbar progress display. 3236 -2015.4.10 點(diǎn)睛之筆：透明度調(diào)節(jié)。Adds function of transparency tuning. 3232 -2015.3.25 自定義軟件名（請?jiān)趍cool.ini中手動修改）。Adds function of customizing app name. 3230 -2015.3.12 Airplay復(fù)刻界面。Airplay interface copy. 3218 -2015.1.20 桌面歌詞。Desktop lyrics. 3216 -2015.1.12 一體化界面（學(xué)習(xí)Foobar2000和豆瓣FM）。All in one interface. 3212 -2015.1.6 新增Winamp音效插件支持（學(xué)習(xí)千千靜聽），以及滾輪穿透功能（學(xué)習(xí)Airplay3）。Adds Winamp DSP plugins support, and adds function of wheel transparent. Winamp音效插件下載：http://uploadgeneration.info/Winamp/www.winamp.com/plugins/dsp-effect/5/top-rated.html 3210 -2014.12.28 重要更新：本地音量調(diào)節(jié)、自定義鼠標(biāo)鍵/手勢。Adds local volume control, and adds fuction of customizing mouse control / gesture. 3208 -2014.11.25 簡化右鍵菜單，常規(guī)項(xiàng)目移到選項(xiàng)窗口。Simplifies the popup menu, moves the general items to option window. 3206 -2014.11.22 新增文本對齊選項(xiàng)，重新設(shè)計(jì)導(dǎo)航按鈕。Adds option of text alignment, and redesigns the buttons of playback. 3202 -2014.11.10 新增播放記憶、片段循環(huán)（Hotkey: Ctrl+1/2）和貼邊隱藏功能。Adds functions of playback memory, AB repeat and screen side hide. 3200 -2014.11.5 新增無界面選項(xiàng)（先去掉托盤圖標(biāo)，然后Ctrl+Alt+W隱藏界面，Ctrl+Alt+X關(guān)閉）。Adds option of no interface. 3191 -2014.8.26 嵌入桌面。Pins to desktop. 3190 -2014.8.19 音樂管理第一步：列表分組。Playlists grouping. 3186 -2014.8.10 基于列表的分級系統(tǒng)（Hotkey:0..5）。Rating system based on playlist. 3181 -2014.8.1 啟用新圖標(biāo)（由虹吸墨作者BGLL友情制作）。Uses the new icon. 3180 -2014.7.22 新增Win7任務(wù)欄特效。Adds windows 7 taskbar effect. 3166 -2014.6.29 重要更新：自動下載專輯封面（源于歌詞迷）。Downloads album covers from geci.me. 3160 -2014.6.1 重要更新：新增極簡模式，以及OGG/Opus內(nèi)置封面顯示功能。Adds minimalist mode, and adds function of displaying cover embedded in OGG/Opus. 3152 -2014.5.18 添加托盤右鍵菜單，新增MP4/M4A(ALAC)內(nèi)置封面顯示功能。Adds systray popup menu, and adds function of displaying cover embedded in MP4/M4A(ALAC). 3151 -2014.5.1 重新設(shè)計(jì)可視化效果，新增示波器效果。Redesigns visual effects, and adds oscilloscope effect. 3150 -2014.4.20 采用歌詞迷API下載歌詞。Downloads lyrics from geci.me. 3136 -2014.3.30 加入可選的按鈕，以及鼠標(biāo)穿透功能。Adds function of transparent window. 3132 -2014.3.6 簡化界面，向Foobar2K看齊；增加正在播放面板。Simplifies the interface, and adds now playing panel. 3130 -2014.2.26 重要更新：按照專輯分組。Grouping by album. 3120 -2014.2.18 優(yōu)化字體渲染（Windows7/8下）。Optimizes font rendering in Windows 7/8. 3110 -2014.1.26 點(diǎn)睛之筆：自定義字體顏色。Adds function of customizing font color. 3108 -2013.11.16 Last.fm同步功能（請到主頁下載插件）。Last.fm scrobbler support. 3106 -2013.11.8 可回溯的隨機(jī)播放（學(xué)習(xí)Airplay 2）。Random playback can be traced back. 3103 -2013.10.12 優(yōu)化右鍵菜單。Optimizes popup menu. 3102 -2013.9.30 修改滾動條樣式，增加音頻緩沖選項(xiàng)。Modifies style of scroll bar, and adds option of audio buffer length. 3100 -2013.9.10 無邊框設(shè)計(jì)；迷你模式也可以不置頂（Hotkey:T）。Borderless designs. 3086 -2013.8.20 增加歌詞面板功能。Adds function of lyrics panel. 3082 -2013.8.08 增加在可視化界面顯示歌詞功能。Adds function of displaying lyrics on visual interface. 3080 -2013.8.01 新增設(shè)置字體功能，恢復(fù)簡單的自動關(guān)機(jī)功能。Adds function of setting font, and re-adds simple function of auto shutdown. 3060 -2013.6.26 修復(fù)在迷你模式停止響應(yīng)的Bug，去掉自動關(guān)機(jī)、歌詞調(diào)整功能。Fixes bug of stop responding in mini mode, and removes functions of auto shutdown and lyrics trimming. 3050 -2013.5.23 增加手勢功能。Adds gesture function. 3030 -2013.3.10 增加Aero磨砂玻璃效果[如需源碼請聯(lián)系我]，XP/Win7/8無差別顯示，按Insert鍵開啟。Adds aero glass effect. 3020 -2013.2.23 增加簡易Tag編輯功能（選中并單擊即可，相當(dāng)于資源管理器中的重命名，按照[歌手 - 歌名][專輯]格式進(jìn)行編輯）。Adds function of editing audio tags (select and click, edit with [artist - title][album] format). 3010 -2013.1.23 應(yīng)網(wǎng)友要求，加入讀取內(nèi)嵌CUE、歌詞及專輯封面功能。Adds function of reading CUE, LRC and album cover built in media. 3002 -2012.11.03 無按鈕設(shè)計(jì)；微調(diào)進(jìn)度條尺寸。Buttonless design; modifies the size of the progress bar. 3001 -2012.10.15 重要改進(jìn)，界面即按鈕：單擊 - 播放/暫停，按住 - 前進(jìn)。Important update, the interface is a button: Click - Play/Pause, Hold Down - Next. 3000 -2012.9.28 增加Win8模式。Adds Win8 mode option. 2982 -2012.8.26 在Win8下使用微軟雅黑字體。Uses Microsoft YaHei font in Windows 8 CHS. 2981 -2012.8.20 視頻以插件提供（請到主頁下載），增加單曲循環(huán)功能。Adds function of repeat track. 2980 -2012.7.26 簡化代碼，去掉視頻和MIDI支持。Removes the video and MIDI support. 2970 -2012.7.20 增加媒體信息顯示功能。Adds function of displaying media info. 2960 -2012.6.28 增加專輯封面顯示功能（Hotkey:Ins）。Adds function of displaying album cover. 2956 -2012.6.01 再次簡化界面。Simplifies the interface again. 2952 -2012.4.28 增加音頻設(shè)備選擇功能：DS、ASIO、WASAPI。Adds function of selecting playback device. 2950 -2012.3.30 *增加滾輪調(diào)節(jié)音量功能（在托盤，中鍵靜音）和媒體鍵支持。Adds function of setting volume by mouse wheel (over systray, middle click to mute), and adds multimedia keys support. 2936 -2012.3.17 微調(diào)界面，修復(fù)物理刪除失效的BUG。Fine-tunes the interface, and restores the physical delete function. 2930 -2012.2.27 增加TAK格式支持。Adds TAK format support. 2923 -2012.2.12 緊急修復(fù)上一版出現(xiàn)的字體模糊BUG（Vista/Win7下），增加在任務(wù)欄顯/隱圖標(biāo)功能（Ctrl+T）。Fixes font vague bug for Vista/Win7, and adds showing/hiding icon on taskbar function. 2920 -2012.2.08 微調(diào)界面，優(yōu)化CPU占用（啟用背景圖片時）。Fine-tunes the interface, and optimizes CPU utilization (while enable background image). 2912 -2012.1.12 增加播放隊(duì)列功能。Adds playback queue function. 2910 -2011.12.25 改進(jìn)迷你模式，增加查找功能。Improves mini mode, and adds find function. *注：此功能對殺毒軟件過敏，開啟方法：按F1進(jìn)入選項(xiàng)，勾選全局快捷鍵。The feature is allergic to the anti-virus software.
上傳時間： 2016-06-10
上傳用戶：fanghua
We consider the problem of target localization by a network of passive sensors. When an unknown target emits an acoustic or a radio signal, its position can be localized with multiple sensors using the time difference of arrival (TDOA) information. In this paper, we consider the maximum likelihood formulation of this target localization problem and provide efficient convex relaxations for this nonconvex optimization problem.We also propose a formulation for robust target localization in the presence of sensor location errors. Two Cramer-Rao bounds are derived corresponding to situations with and without sensor node location errors. Simulation results confirm the efficiency and superior performance of the convex relaxation approach as compared to the existing least squares based approach when large sensor node location errors are present.
標(biāo)簽： 傳感器網(wǎng)絡(luò)
上傳時間： 2016-11-27
上傳用戶：xxmluo
3rd Generation Partnership Project; Technical Specification Group radio Access Network; Further advancements for E-UTRA; LTE-Advanced feasibility studies in RAN WG4 (Release 9)
上傳時間： 2018-04-28
上傳用戶：doforfuture
Recently millimeter-wave bands have been postu- lated as a means to accommodate the foreseen extreme bandwidth demands in vehicular communications, which result from the dissemination of sensory data to nearby vehicles for enhanced environmental awareness and improved safety level. However, the literature is particularly scarce in regards to principled resource allocation schemes that deal with the challenging radio conditions posed by the high mobility of vehicular scenarios
標(biāo)簽： Communications Millimeter Wave V2V
上傳時間： 2020-05-23
上傳用戶：shancjb
During the past years, there has been a quickly rising interest in radio access tech- nologies for providing mobile as well as nomadic and fixed services for voice, video, and data. The difference in design, implementation, and use between telecom and datacom technologies is also getting more blurred. One example is cellular technologies from the telecom world being used for broadband data and wireless LAN from the datacom world being used for voice over IP.
上傳時間： 2020-05-26
上傳用戶：shancjb
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