系统容量 ：在保证通信质量的前提下，功率控制算法能够支持的用户数量和数据传输速率。
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With CDMA, signals that aren't correlated with the channel of fascination (for instance other PN offsets from adjacent cellular foundation stations) surface as sounds, and signals carried on other Walsh codes (which are appropriately time aligned) are in essence taken out inside the de-spreading procedure.
Just about every BTS dedicates a major number of output electric power to your pilot channel, that's an unmodulated PN sequence (Quite simply, spread with Walsh code 0). Every BTS sector in the network is assigned a PN offset in actions of sixty four chips.
But what exactly is multi-copyright delivery, and why can it be important for your organization? This article explores the thought, Positive aspects, and how Deftship simplifies the method to boost your transport operations.
Гибкое распределение ресурсов. При кодовом разделении нет строгого ограничения на число каналов. С увеличением числа абонентов постепенно возрастает вероятность ошибок декодирования, что ведёт к снижению качества канала, но не к отказу обслуживания.
This paper describes advancements in detail of HSPA evolution that will reach performance akin to those of long run evolution of UMTS terrestrial radio access more info network in a 5 MHz deployment.
Certainly one of the key benefits of multi-provider transport is cost savings. By evaluating rates from unique carriers, corporations can select the most economical choice for Each individual shipment. This aggressive solution can here help minimize shipping and delivery expenditures and increases The underside line.
The more enterprise you need to do with a provider, the greater they want you to utilize them. One of the best strategies to get quantity-dependent shipping and delivery reductions is to work with multiple provider accounts. The more contracts you are able to negotiate with carriers, the more leverage You should further more cut down provider rates. Frequent negotiations contain waiving further costs like residential surcharges or gas surcharges.
For light-weight parcels, these fees are what typically make USPS a far more cost-effective solution. Nevertheless, put up-billing carriers like UPS and FedEx want to stay aggressive in all regions for top-volume merchants. Subsequently, if they're able to see you offering them loads more info of company, they may offer you a lot more competitive rates over the board.
Spread Spectrum and CDMA: EVDO employs spread spectrum strategies, which implies it spreads the data signal over a variety of frequencies.
Professionals: Should you be a seasoned Experienced but new to mobile communications, it may appear to be difficult to contend with somebody that has ten years of working experience from the cellular industry. Although not Every person who is effective In this particular industry is usually up-to-date on The larger picture as well as challenges taking into consideration how swiftly the industry evolves.
В явном виде отсутствует временное или частотное разделение каналов, каждый абонент постоянно использует всю ширину канала, передавая сигнал в общий частотный диапазон и принимая сигнал из общего частотного диапазона. При этом широкополосные каналы приёма и передачи находятся на разных частотных диапазонах и не мешают друг другу.