scroll to top
Stuck on your essay?
Get ideas from this essay and see how your work stacks up
Word Count: 983
Wireless cable also called fixed wireless broadband is emerging as a legitimate local access platform for the delivery of high-quality digital data video and voice services Like their cable competitors wireless operators are increasingly using their spectrum to offer high-speed Internet services Just like wired cable a 6 MHz wireless television channel can support 27 Mbps of downstream data throughput using cable modems with 64 QAM quadrature amplitude modulation technology Historically a telephone-return path has been used for upstream communication but operators are now transitioning to full two-way wireless delivery Wireless cable technology has limitations but it also has key benefits most notably the ability to rapidly introduce high-speed data access throughout a metropolitan area without the cost or delay of wired plant upgrades Rather than stringing thousands of miles of fiber coax or twisted-pair wiring a wireless operator installs a headend and transmission tower and is open for business The technology received a major endorsement in April 1999 when telecom giants Sprint and MCI WorldCom purchased three wireless operators for more than 1 billion to build a broadband wireless local loop Wireless Cable Primer There are several wireless spectrum blocks in the 21 to 27 GHz band that can be used for cable television and Internet services including multipoint distribution service MDS multichannel multipoint distribution service MMDS and instructional television fixed service ITFS Additionally wireless communications service WCS spectrum allocated in 5 MHz and 10 MHz increments and can be used for digital data or video UHF ultra-high frequency broadcast television spectrum can also potentially be used for high-speed data access with cable modem technology as can local multipoint distribution service LMDS spectrum located in the super-high 275 - 295 GHz frequency range Wireless Cable Spectrum in the 21 - 27 GHz Band Frequency RangeService TypeNumber of ChannelsChannel Width 2150 - 2162 GHz MDS2 6 MHz 2305 - 2320 GHz WCS25 10 MHz 2345 -
@Kibin is a lifesaver for my essay right now!!
- Sandra Slivka, student @ UC Berkeley
Wow, this is the best essay help I've ever received!
- Camvu Pham, student @ U of M
If I'd known about @Kibin in college, I would have gotten much more sleep
- Jen Soust, alumni @ UCLA