http://www.theaustralian.com.au/ ... iyzsr-1225912216703
澳大利亚电讯Next G无线宽带业务的企业及商业客户很快将可以使用双倍带宽。
澳大利亚电讯将使用双通道技术升级目前的网络，从而允许客户同时使用双通道接入基站，而达到双倍带宽，最高42兆比特每秒。
而据澳大利亚电讯宽带部门领导麦克莱特，实际速度大概在1.1至20兆比特每秒之间，少于宣传的一半。而上传只有300K至3兆比特每秒。
“可以达到更好的成绩，但是一般是在非常理想的实验环境下，有非常好的信号质量。当你在马路上时，你的网络有很多变数，取决于信号质量、你的方位、网络负荷。”莱特先生说。
澳大利亚电讯本来打算在上周宣布一个网络速度升级计划，但为了不对大选造成影响而推迟宣布，因为宽带是本次大选的一个关键要素。
升级计划将覆盖百分之五十的人口，包括所有的首府中心商务区，及100个区域中心，包括新洲卧龙岗，维州本迪戈，和昆州汤斯维尔，这些区域的网络速度将提升500K至8兆比特每秒。
这些区域以外的客户下载速度则降至500K至3兆比特每秒。
莱特先生说会把升级计划扩展至这些区域以外的地区，因为他们看到需求。
Next G无线宽带业务的速度从21升级到42兆比特每秒是通过澳大利亚电讯的在2月份的一个软件升级。
通过爱立信及Qualcomm与Sierra联手推出的HSPA+ Dual Carrier芯片及设备。
目前，只有购买使用了电讯公司的Ultimate USB调制解调器的商业、企业及政府客户才能享受本次升级。
澳大利亚电讯期待明年会有42兆比特每秒兼容的PDA及掌上设备。
电讯公司已经推出Ultimate USB调制解调器，$299一次性，或者0预付的$69每月的24月套餐，包括6GB的下载流量。但电讯公司可能会降价，来吸引和保留客户。
同时，沃达丰和记澳洲已经升级套餐为双倍下载流量。VHA $29套餐客户的下载流量从50MB升级为200MB。$49套餐的则从500MB升级为1.5GB。
CORPORATE and business customers on Telstra's Next G wireless broadband network could soon be downloading files at twice their current speeds.
Telstra will upgrade on the network using dual-channel technology, which allows carriers to use two channels simultaneously on select mobile base towers to achieve peak download speeds of up to 42 megabits per second.
But real speeds are more likely to range from 1.1Mbps to 20Mbps, less than half the advertised speed, according to Telstra executive director of wireless Mike Wright. Upload speeds range from 300 kilobits per second to 3Mbps.
"It's possible to achieve better than the typical user speed claims, but those claims occur in the ideal network environment with good signal quality. When you're out on the streets you get a lot of variation where the network is subject to signal quality, your location and the network load," Mr Wright said.
Telstra was due to announce the speed boost last week, but delayed the announcement so it would not been seen as interfering in the election, in which broadband was a key theme.
The upgrade will cover about 50 per cent of the population, with all capital CBDs receiving the speed boost while another 100 regional centres -- including Wollongong in NSW, Bendigo in Victoria and Townsville in Queensland -- will get speed increases of 500Kbps to 8Mbps.
Download speeds fall to between 500Kbps and 3Mbps for customers outside the CBDs and nominated regional centres.
Mr Wright said Telstra would try to extend availability of the speed increase as demand rose.
The peak download speed increase, from 21Mbps to 42Mbps, was made possible by a software upgrade to Telstra's Next G network in February.
The upgrade was achieved with network partner Ericsson, with Qualcomm and Sierra Wireless joining to deliver a HSPA+ Dual Carrier chipset and device.
At present, the upgrade is only available to Telstra business, enterprise and government customers who buy and use the telco's Ultimate USB modem.
Telstra is expecting 42Mbps-compatible PDAs and handsets to be available in the coming year.
The telco has released the Ultimate USB modem for $299 outright or $0 on a 24-month contract at $69 a month, including 6GB of download data. Those prices could drop in the year ahead as the telco invests to chase and keep more customers.
Meanwhile, Vodafone Hutchison Australia has more than doubled the data download on most of its mobile cap plans. Customers on VHA's $29 consumer plan have had their data quota increased from 50MB to 200MB. Those on a $49 plan have had the 500MB quota tripled to 1.5GB.
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