By Xiaofeng Tao, Qimei Cui, Xiaodong Xu, Ping Zhang
Pushed by way of the expanding call for for capability and caliber of provider in instant mobile networks and influenced by way of the allotted antenna method, the authors proposed a cooperative communique architecture—Group phone structure, which used to be at the start introduced ahead in 2001. Years later, Coordinated Multiple-Point Transmission and Reception (CoMP) for LTE-Advanced was once recommend in April 2008, as a device to enhance the assurance of cells having excessive facts charges, the cell-edge throughput and/or to extend procedure throughput. This e-book mostly specializes in the gang mobilephone structure with multi-cell generalized coordination, distinction research among workforce phone structure and CoMP, capability research, Slide Handover technique, strength Allocation schemes of staff phone structure to mitigate the inter-cell interference and maximize method means and the trial community implementation and function reviews of crew mobilephone structure.
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Additional info for Group Cell Architecture for Cooperative Communications
2 Performance Analysis and Evaluation In this section, we will compare the cell edge user performance of FCGS with Hard Handover, Soft Handover and FCS based on system level simulation. The user channel capacity (calculated by Shannon formula) will be adopted and the SINR will be analyzed (taking non-sectoring system as an example), which is the only difference among these schemes. And then we give the system-level simulation environment and results of sectoring intra-NodeB FCGS and non-sectoring system FCGS.
12 Non-sectoring fast cell group selection scheme Handover degrade rapidly, but Intra-NodeB FCGS scheme can achieve higher user channel capacity and can have up to 60 % of gain compared to FCS and Soft Handover. 12 indicates the CDF of the cell edge user channel capacity using Hard Handover, FCS, Soft Handover and FCGS with STBC in non-sectoring system. We can see that the cell edge user performance by using FCGS in non-sectoring system is also much better than that of FCS, Soft Handover and Hard Handover scheme.
10. The detailed implementation steps of intra-NodeB FCGS are shown as following (in the scenario of 3GPP 3G/E3G systems): (1) MT measures the pilot signal’s SINR of Common Pilot Channel (such as CPICH in HSDPA) of each sector. When the MT is located in the cell edge, 42 3 Slide Handover Fig. e. ; NodeB decides the resource of the selected sector group and the transmission signal of STBC for each sector, then transmits the data to the MT; MT receives the signal from the sector group and decodes them.