Two-level buffer state report scheme for 3GPP LTE system

  • Authors:

  • Gao Youjun;Liu Guangyi

  • Affiliations:

  • China Mobile Research Institute, China Mobile Communications Corporation, Beijing, P.R.China;China Mobile Research Institute, China Mobile Communications Corporation, Beijing, P.R.China

  • Venue:
  • WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
  • Year:
  • 2009

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Abstract

Taking the uplink scheduling technique in 3GPP LTE system into consideration, the two-level buffer state report (BSR) scheme is proposed as a better candidate solution for uplink resource allocation in LTE system and future beyond third-generation system. In the proposed two-level scheme, the second level BSR content is a complement information of the BSR in LTE system which is regarded as the first level BSR to indicate the relation state about buffer size and the relative token bucket number of radio bearer (RB), and it can improve the utilization of radio resources and meet the QoS requirements of traffics in scenario of multiple users with multiple radio bearers without extra signaling overhead.