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The consideration of realistic uplink inter-cell interference is essential for the overall performance testing of future cellular systems, and in particular for the evaluation of the radio resource management (RRM) algorithms. Most beyond-3G communication systems employ orthogonal multiple access in uplink (SC-FDMA in LTE and OFDMA in WiMAX), and additionally rely on frequency-selective RRM (scheduling) algorithms. This makes the task of accurate modeling of uplink interference both crucial and non-trivial. Traditional methods for its modeling (e.g., via additive white Gaussian noise interference sources) are therefore proving to be ineffective to realistically model the uplink interference in the next generation cellular systems.
In this paper, we propose the use of realistic precomputed interference patterns for LTE uplink performance analysis and testing. The interference patterns are generated via an LTE system-level simulator for a given set of scenario parameters, such as cell configuration, user configurations, and traffic models. The generated interference patterns (some of which are made publicly available) can be employed to benchmark the performance of any LTE uplink system in both lab simulations and field trials for practical deployments. It is worth mentioning that the proposed approach can also be extended to other cellular communication systems employing OFDMA-like multiple access with frequency-selective RRM techniques.
NEW YORK, March 7, 2012 - Reportlinker.com announces that a new market research report is available in its catalogue:
Carrier Ethernet Report 2012-2017
Carrier ethernet is currently in the growth stage of its lifecycle and is one of the few sectors of the telecoms industry that saw positive growth during the recession.
NEW YORK, Feb. 13, 2012 - Reportlinker.com announces that a new market research report is available in its catalogue:
Russia Smart Card Market 2012
The Russian secure transactions market is characterized by high penetration levels of SIM cards,
Surge in Mobile Infrastructure LTE Revenues to Surpass 500% by 2016, According to New Forecast Report by Dell'Oro Group
Outdoor Picocells and Metrocells Shipments to Exceed Macro Shipments in 2016