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Dynamic cooperating set planning for Coordinated Multi-Point (CoMP) in LTE/LTE-advanced systems | IEEE Conference Publication | IEEE Xplore
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Dynamic cooperating set planning for Coordinated Multi-Point (CoMP) in LTE/LTE-advanced systems


Abstract:

Coordinated Multi-Point (CoMP) is considered as one of the most important technique in 3GPP LTE/LTE-Advanced. In CoMP, several base stations can be grouped together to fo...Show More

Abstract:

Coordinated Multi-Point (CoMP) is considered as one of the most important technique in 3GPP LTE/LTE-Advanced. In CoMP, several base stations can be grouped together to form the cooperating set, where the cooperating set is used to improve the system throughput as well as the throughput of cell edge users. Most of the studies discuss static cooperating set, i.e., the size of the cooperating set is fixed, such as 3 or 7. However, when big activities occur with gathered crowds, such as gala parades and New Year's Eve, the amount of wireless communication demands in such areas is over the capacity of serving base stations. In this case, the static cooperating set can bring only limited help and fails to adapt to the actual conditions. Moreover, additional communication overhead among cells is introduced but futile. In this paper, we propose the dynamic cooperating set to solve the problem. The proposed method takes the actual traffic requirement and geographical area into consideration to form dynamic cooperating set to offload the wireless communication demand. Dynamic cooperating set can not only enhance the system and cell edge throughput but also utilize the radio resource in an efficient way. The latter avoids unlimited expansion of the cooperating set. Simulation results show that the throughput of our method is 1.23 and 1.36 times of the static CoMP scheme and no CoMP scheme, respectively.
Date of Conference: 25-27 September 2013
Date Added to IEEE Xplore: 02 December 2013
Electronic ISBN:978-4-8855-2279-6
Conference Location: Hiroshima, Japan

References

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