Handover method based on carrier aggregation in high-speed mobile environment
A high-speed mobile, carrier aggregation technology, applied in electrical components, wireless communication, etc., can solve the problem of user communication quality degradation, and achieve the effect of improving communication performance, enhancing reception quality, and ensuring communication quality
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[0029] Currently, the uplink and downlink peak rates supported by the LTE-A definition are 500Mbit / s and 1Gbit / s respectively. The potential deployment spectrum of LTE-A includes: 450-470MHz, 698-862MHz, 790-862MHz, 2.3-2.4GHz, 3.4 -4.2GHz, 4.2-4.99GHz, etc., the new frequency bands show a trend of discretization and differentiation. The system bandwidth is 20-100MHz. Considering the existing spectrum allocation method and planning, it is difficult to find a wide enough continuous spectrum to bear the 100MHz bandwidth requirement of LTE-A. Therefore, 3GPP proposes to use carrier aggregation technology to solve LTE-A's demand for frequency band resources. The frequency band aggregation technology rationally multiplexes multiple frequency bands, enabling LTE-A users to simultaneously receive data with a bandwidth exceeding 20MHz. In high-speed mobile scenarios, the system needs to aggregate at least two carriers. The source eNB and the target eNB use different component carrie...
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