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Cell Phone Standards: Traveler’s Guide 移动电话的标准：旅行者的指南
By admin | March 24, 2008 人： admin | 08年3月24号
Cell phones have found their way to every part of our every day life. 手机发现他们的方式每一个部分我们每天的生活。 The advantages of having a cellular phone are obvious. 其优点有一个移动电话是显而易见的。 Apart from immediate access to help in case of an emergency, mobile services can also be much cheaper than those of local communication providers. 除了立即获得帮助在紧急情况下，移动服务还可以便宜得多的地方通信供应商。 In some situations cell phones can turn out to be the only possible way to get online. 在某些情况下，手机可以变成唯一可行的方式上网。 But for a traveler together with the convenience mobile technology can present a number of challenges. 但是，对于旅行者一起，方便移动计算技术可以提出一些挑战。 One of them is whether your cell phone will work as you travel from one place to another. 其中之一就是是否让您的手机将成为您的旅行从一个地方到另一个地方。
There are a number of cellular phone standards that can vary from country to country. 有一些移动电话标准，可以因国而异。 If you rely on your mobile phone as your major communication tool while you are abroad, you need to know whether it is compatible with the system that is used by the providers in the country of your destination. 如果你依靠自己的手机作为您的主要通信工具，而你是在国外，您需要知道它是否符合该系统所使用的供应商在该国的目的地。
GSM - Global System for Mobiletelephones. 的GSM -全球系统的M obiletelephones。
As the name itself suggests this system is closest to a “world standard”. GSM systems are used by mobile communication providers in more than 200 countries throughout Europe, Asia, Africa and Australasia. 如同其名称本身意味着这个系统是最接近于“世界标准” 。 GSM系统所使用的移动通信供应商在200多个国家在整个欧洲，亚洲，非洲和大洋洲。
AMPS - Advanced Mobile Phone System 安培-先进的移动电话系统
Once considered a cutting-edge technology, now this system is rather out of date. 一度被视为尖端技术，现在这个系统是相当过时了。 However in some areas it is still the only functioning mobile network. 然而，在一些地区仍然是唯一运作的移动网络。 In most of the USA it has been replaced with a newer digital technology of E- AMPS . 在大多数美国它已被替换成一个新的数字技术的E - AMPS二元 。 Apart from every country in the Western part of the globe the 800mhz AMPS service is also used in China, American Samoa, Western Samoa, South Korea, Nauru, Lebanon, Turkmenistan, Solomon Islands and Uzbekistan. 除了每一个国家在西方的一部分，全球的800MHz的AMPS二元服务，也用在中国，美属萨摩亚，西萨摩亚，韩国，瑙鲁，黎巴嫩，土库曼斯坦，所罗门群岛和乌兹别克斯坦。 If you are going to one of these countries it might be a good idea to buy a used cell phone with AMPS system as a back up for areas were no GSM network is available. 如果你要这些国家之一，它可能是一个好主意购买使用手机与AMPS二元系统作为一个备份的领域，没有GSM网络可用。
It is a digital version of the AMPS system that also uses 800 Mhz band. 这是一个数字版本的省级系统，还采用800兆赫频段。 It is not very widely used but is still functioning in Israel, Canada, Brazil, Panama, Ukraine, Russia, Malaysia and Vietnam. 这是不是很广泛使用，但仍运作以色列，加拿大，巴西，巴拿马，乌克兰，俄罗斯，马来西亚和越南。
TACS 总可捕量 - Total Access Communications Service -共计获得通信服务
An analog European cell phone system that uses 900 Mhz spectrum. 模拟欧洲手机系统，采用900兆赫的频谱。 It is still used in Bahrain, China, Congo, Hungary, Ireland, Japan, Italy, Kenya, Kuwait, the UK, the Philippines, Spain, the United Arab Emirates and some other countries. 它仍然是用在巴林，中国，刚果，匈牙利，爱尔兰，日本，意大利，肯尼亚，科威特，英国，菲律宾，西班牙，阿拉伯联合酋长国和其他一些国家。
This is an analog alternative to AMPS and TACS that works with the 450Mhz and 900Mhz bands. 这是一种替代模拟放大器和 总可捕量的作品与450Mhz和900MHz频带。 It is used in some parts of Asia and Europe. 这是用在某些部分亚洲和欧洲。 But with the widespread of GSM many countries have stopped this service. 但是，随着广泛的 GSM许多国家已经停止这项服务。
TDMA - Time Division Multiple Access 时分-时分多址
This is the first digital cellular phones network to be widely used in the Americas. 这是第一个数字移动电话网络，以得到广泛的应用在美洲。 It is still a major system employed by the wireless networks in the US. TDMA is also used in Argentina, Bolivia, Canada, Chile, Colombia, Mexico and other countries. 它仍然是一个主要的系统所采用的无线网络在美国。 时分多址也被用来在阿根廷，玻利维亚，加拿大，智利，哥伦比亚，墨西哥和其他国家。 But it is being rapidly overtaken by GSM and CDMA . 但它正在迅速超过了GSM和CDMA 。
CDMA - Code Division Multiple Access 码分多址-码分多址
A major competitor to TDMA in the Americas, Australia, Guatemala, South Korea, Russia, Zambia and Venezuela, technically this system is considered to be more efficient than GSM but it is not as widely spread. 一个主要的竞争对手时分多址在美洲，澳大利亚，危地马拉，韩国，俄罗斯，赞比亚和委内瑞拉，这一系统在技术上被认为是更有效率比 GSM手机，但它不是作为广为传播。
Topics: Cell Phones , Other phones related | 话题： 手机， 手机的其他相关 |
April 16th, 2008 at 3:11 am 2008年四月16日在上午03时11分
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