According to foreign media reports, the explosive growth of wireless data has amplified operators ’demand for additional spectrum—before demand exceeds network capacity and the quality of service is severely affected by the austerity. Global wireless communication traffic is expected to increase 25 times in the next five years. Therefore, the wireless industry is looking for innovative technologies to make the most of the limited spectrum resources.
The wireless industry organization 4G Americas has outlined a potential in its white paper published recently, which is expected to further integrate HSPA and LTE through carrier aggregation technology. This new feature called HSPA + LTE carrier aggregation has been included in the 3rd Generation Mobile Communications Partnership Project (3GPP) into the standard setting considerations, and HSPA and LTE technologies are further integrated on the basis of existing standards in order to take full advantage of the limited Spectrum resources.
Chris Pearson, President of 4G Americas, said: "HSPA is the foundation of today's mobile broadband, and LTE is the next generation of high-speed wireless technology. Therefore, it is now the third generation mobile communication cooperation plan to consider these two major The timing of mobile broadband technology's radio is more closely integrated. Based on the existing standards, the new carrier aggregation technology may still have a lot of potential value to be explored by operators, suppliers and their customers. "
The deployment of global LTE networks is accelerating (to date, 91 commercial LTE networks have been launched), and at the same time, approximately 500 commercial HSPA networks are expanding their territory and upgrading with more advanced technologies. With the accelerated deployment of LTE and large-scale investment in HSPA + infrastructure (227 commercial HSPA + networks in 109 countries worldwide), HSPA and LTE networks will coexist in the foreseeable future.
Higher data rate carrier aggregation, better load balancing, and ever-increasing spectrum usage have been included in the HSPA + and LTE standards development process; in addition, since the advent of LTE technology, HSPA and LTE radio interoperability has also Be included in the work agenda. The white paper published by 4G Americas emphasizes other key links and is suitable for HSPA and LTE carrier aggregation technology (HSPA + LTE, while transmitting data to a user, using HSPA and LTE radios, making the performance and utilization of existing spectrum and deployed equipment Maximize) potential architectural choices. This consideration is particularly suitable for environments where spectrum is not redundant and needs to be allocated to two wireless access technologies.
Pearson pointed out: "For leading manufacturers and network operators, the environment of the third-generation mobile communication cooperation plan will continue to rely on their efficiency in using valuable spectrum assets. They are looking for technological breakthroughs to improve the wireless network ’s Efficiency and capacity. HSPA + LTE carrier aggregation technology is worth considering, which is one of many ways to reduce traffic. "
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