ZTE

ZTE Communications ›› 2010, Vol. 8 ›› Issue (1): 17-20.

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Evolution a nd Interference Analysis of Cooperative Communication Systems

Sun Huixia   

  1. ZTE Corporation , Shenzhen 518004 , P. R. China
  • Online:2010-03-25 Published:2020-02-26
  • About author:Sun Huixia graduated from Harbin Engineering University. As a chief engineer in the TD Product Planning and System Department of ZTE Corporation, her research interests include system simulation, algorithm design and product planning of CDMA, TD-SCDMA and TD-LTE products.
  • Supported by:
    This work was supported by the National Science and Technology Major Project of the Ministry of Science and Technology of China under Grant No. 2009ZX03003.

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Abstract: Frequency division design sacrifices the built-in macrodiversity gains of 3G systems, making it difficult to fully exploit the advantages of Long Term Evolution (LTE ) technology. As a result, for LTE Advanced (LTE-A ), cooperative communication technology is proposed. System-level cooperative communications can maximize system performance. To achieve system-level gains, high spectrum efficiency and reliable performance, cooperative communication technology is required. With the introduction of technologies such as multi-point transmission/ reception, intelligent relay, and cooperative antenna, LTE-A system ’coverage is enhanced. The handover between user terminals can also be stably realized and the traffic and Quality of Service (QoS ) in handover areas improved.