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LOLA Final Review

The final review was held at Eurecom on June 27th and 28th, 2013. The project has achieved an excellent assessment and appreciation by the reviewers for its achievements. The project presented and demonstrated a set of low latency wireless communication techniques in light of accurate traffic models of emerging application scenarios such as massive machine-type communication and interactive multilayer gaming. The LOLA project brings into existence a solution package applicable to the next generation wireless communication system, and in particular to the 5G system, to lower significantly the latency.

During the third year of the project, the LOLA (Achieving Low-Latency in Wireless Communications) project managed to achieve substantial progress. We can highlight the following achievements:

  • Tuning the existing traffic models and verifying measurement results from previous campaigns with new extended runs: modelling of M2M and gaming traffic, definition of relevant KPIs, measurement evaluation of M2M traffic’s effect on live HSPA and LTE network
  • Derivation of basic parameters to obtain performance values as a benchmark for the finishing of WP5;
  • Implementation, experimentation,  and real testbed measurements for some selected adaptations (OpenAirInterface);
  • Development of a set of adaptations at different layers (in particular for PHY and MAC layers) to achieve lower latency (the “LOLA solution package”) on Topology A and B architectures (based on Adaptive Modulation and Coding (AMC), Hybrid Automatic Repeat reQuest (HARQ) and traffic scheduling, especially related to Rel-10 and Rel-11 3GPP new features like Carrier Aggregation (CA) and Coordinated Multi-Point transmission and reception (CoMP));
  • Enhancement of the simulation environments to enable the study of the different adaptations in topology A; for topology B, deriving the final results of an innovative cooperative broadcasting technique based on automatic, retransmissions and Decode and Forward strategy;
  • Specification of a HARQ strategy combined with MAC forwarding and distributed Alamouti for inter-cluster communications using the LTE-A.

The high quality of the project results is documented by 5 submissions to high-profile international magazines and journals, 42 submissions to international conferences and 2 book chapters. It is in particular appreciated that, according to the project annual report, 3 submissions were accepted by 3GPP: as it was identified and outlined by the reviewers in the 1st and 2nd year review, there is a considerable potential for providing corresponding inputs to standardization bodies, such as 3GPP, ETSI. The project subsequently acted upon those comments and provided contributions to 3GPP. Also contributions to ECC reports were prepared and posters as well as demonstrations have been shown at a number of key events.

The photo of consortium during the final review (not all the people involved are present in the photo).






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