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LTE Solution

Evolutionary Steps

winchester randall rossi LTE is the fourth-generation technology with a great improvement on spectrum efficiency, higher user data rate, low latency, cost reduction, system capacity and coverage.

osuruk sesi dinle Long Term Evolution (LTE) is a 4G wireless broadband technology developed by the Third Generation Partnership Project (3GPP), an industry trade group. 3GPP named the technology "Long Term Evolution" as it represents the next step (4G) in a progression from GSM, a 2G standard, to UMTS, the 3G technologies based upon GSM. LTE provides significantly increased peak data rates, the potential for 100Mbps downstream and 50Mbps upstream, reduced latency, scalable bandwidth capacity, and backward compatibility with the existing GSM and UMTS technologies.

signes joint de culasse The table below shows mobile data standards: the improved peak downlink and uplink data rates are approximately five times faster than 3GPP release 7, and the improved round-trip time is also five times better than 3GPP release 7.

what is your quest Evolution Technology: the upper layers of LTE are based upon TCP/IP, which is an all-IP network similar to the current state of wired communications. LTE supports mixed types of data: text, voice, video and messaging traffics; LTE uses OFDM (Orthogonal Frequency Division Multiplexing) for downlink access, SC-FDMA (Single Carrier- Frequency Division Multiple Access) for uplink access and MIMO (Multiple Input Multiple Output) antenna technology similar to that has been used in the IEEE 802.11n wireless local area network (WLAN) standard. The higher signal-to-noise ratio (SNR) at the receiver is enabled by MIMO, while OFDM provides improved coverage and throughput especially in dense urban areas.

owen hargreaves lizarazu Mobile operators can upgrade the existing infrastructure to support LTE rather than starting from scratch. As a 4G technology, LTE becomes increasingly important to mobile operators as the data traffics grows on their networks.

Mobile Data Standards

  Max DL rate Max UL rate Round trip latency 3GPP Release Deployment Radio Access Technology ITU Generation
WCDMA 384 Kbps 128 Kbps 150 mS Rel 99/4 2003 CDMA 3G
HSPA HSDPA/HSUPA 14 Mbps 5.7 Mbps 100 mS Rel 5/6 2005 - 2007 CDMA 3.5G
HSPA+ 28 Mbps 11 Mbps 50 mS Rel 7 2008 CDMA 3.5G
LTE 100 Mbps 50 Mbps 10 mS Rel 8 2009 OFDMA/SC-FDMA 3.9G
LTE Advanced > 1 Gbps > 500 Mbps 5 mS Rel 10 ~ 2014 OFDMA/SC-FDMA 4G