LTE Uplink Coverage Enhancement Techniques Based on Enhanced TTI Bundling

@article{Zhou2012LTEUC,
  title={LTE Uplink Coverage Enhancement Techniques Based on Enhanced TTI Bundling},
  author={Yu Zhou and Tiankui Zhang and Zhimin Zeng and Yiqun Li and Yunan Han},
  journal={2012 8th International Conference on Wireless Communications, Networking and Mobile Computing},
  year={2012},
  pages={1-4}
}
In the Long Term Evolution (LTE) system, there is limited on uplink average data rate the cell edge users for the power limitation and the inherent short Transmission Time Interval (TTI) length of the cell edge users. TTI bundling scheme was presented for the VoIP service in the LTE Release 8 specifications to solve the cell coverage problem. But the R8 TTI bundling is restricted to bundles of 4 TTIs, QPSK modulation and allocations up to 3 PRBs, which impose restrictions on the support of the… CONTINUE READING

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