Wimax or lte which is better

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In FFR users in the cell close to cell centre use all the frequencies while those toward the cell boundary use frequencies different to those used toward boundaries of neighboring cells in order to reduce inter-cell interference. WiMAX 1. In this scheme, whenever the bandwidth allotted to service provider changes, the number of subcarriers also changes so as to keep the inter-carrier spacing fixed. Therefore, the Doppler effect on performance is kept the same for mobile users.

WiMAX 16e may use any available spectrum width from 1. This ensures that the connection is kept at an acceptable quality thereafter increasing the range. This is because adapting a narrowband channel to noise conditions is more efficient than adapting to averaged noise in a wide band channel [10]. Amongst these are the following:.

Furthermore, a super frame of 20 ms is introduced. It aims to reduce framing overheads by incorporating the common headers and control bits in it. Thus, the new release framing structure is a 3 level framing structure. Similarly, LTE has a similar 3 level framing structure with basic slot of 0.

As it is not likely that such large bandwidths be available in one band, subcarriers are spread over multiple frequency bands. This is called multicarrier or carrier aggregation. Subcarriers in any one channel can be contiguous in the same band or selected from separate bands. As can be deduced from the previous section, there are lots of technical similarities between the two technologies in architecture and targets. Nevertheless, a number of technical differences exist.

Figure 2. Frame a WiMAX 2. Thus LTE is generally available at preferred low frequency band which gives it coverage advantage. This enhanced its opportunities to serve as public wide area network. The larger intercarrier spacing the higher the immunity against Doppler spread. Generally, it can be concluded that LTE design seems to be superior especially concerning mobility, data throughputs and capacity. However, these factors, though important may not be the only factors that impact the popularity of one technology compared to the other.

This is discussed in the coming section. It was also adopted by major companies in Korea, Russia, Japan and other countries. Many other developing countries like India found WiMAX, even the non-mobile version, suitable for its broadband requirements [17] due to the lack of proper fixed line infrastructure.

WiMAX is a TDD technology which does not require paired spectrum with flexibility in sharing the time frame between the uplink and the downlink. This made it appear more appropriate for data as the viable wireless alternative to wired DSL. This makes these systems more costly in terms of spectrum and equipment. LTE-Advanced is backward compatible with all previous standards. Hence, operators worldwide who have already deployed their networks based on 3GPP standards find it a good business case with easy upgrade and with possibility that they re-use their already possessed paired spectrum of abandoned technologies of 2G or so for the more efficient LTE.

At the same time, WiMAX has limited spectrum options for deployment making it difficult for existing operators networks based on 3GPP legacy standards to migrate to it. LTE success is the result of being backward compatible to the abundant customer base built over the different generations. This is said though WiMAX showed superiority in early stages. It managed later on to provide mobility and cater for voice servicing.

Table 1. The objective of telecom companies from the start was big customer base, public networks and wide coverage while WiMAX headed to serve vertical segments requesting broadband. WiMAX forum had to set plans to proceed. One of which is to harmonize and integrate with LTE rather than continue rivaling it as is discussed below. This will keep it a mobile operator solution in a robust ecosystem.

Networks that support both standards and more multiple access technologies may emerge in Please try again. You're in! Thanks for signing up. There was an error. Tell us why! More from Lifewire. Updated for The 6 Best Wireless Travel Routers of The 9 Best Long-Range Routers of Your Privacy Rights. To change or withdraw your consent choices for Lifewire. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page. These choices will be signaled globally to our partners and will not affect browsing data.

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