At present, with the gradual evolution and upgrade of mobile communication networks, from 2G GSM and CDMA networks, to 3G three standard networks, and even commercial LTE networks that are about to be commercialized on a large scale, the coexistence of multiple networks instead of alternative changes has caused global Most mobile operators have to face an unprecedentedly complex "big network"-more than 80% of the world's operators operate GSM and UMTS networks at the same time, 35 of them have already deployed LTE networks, and most of the rest are also planned LTE will be deployed in the next 1-2 years. This will cause operators to face new challenges: multi-standard, multi-layered networks, which bring multiplied O & M complexity, and the traditional network O & M model needs to be changed urgently. In fact, equipment manufacturers have never stopped discussing how to improve the operation and maintenance efficiency of multi-standard and multi-layer networks. For example, the SingleRAN solution improves the operation and maintenance efficiency of base stations. Now, with the emergence of Huawei's SingleSON solution, it helps to further improve the efficiency of operation and maintenance, and thereby improve the efficiency of operators OPEX.
From the concept of SON proposed by NGMN in 2006, Huawei first officially released the SingleSON solution to the industry in 2011. The Huawei SingleSON solution implements self-configuration, self-optimization, and self-maintenance from a single-standard network to a multi-standard network, as well as to a multi-layer network, marking a new chapter in the era of O & M automation.
Where there are challenges, there are innovations
The increase in network complexity will inevitably lead to the increase in the difficulty of network operation and maintenance. This is a major "challenge" that telecom operators must do everything they can to deal with, because a stable and reliable network is the operator's survival and development. base.
Multi-standard, multi-level network operation and maintenance challenges call for simplification of network operation and maintenance.
On the one hand, the long-term coexistence of multiple systems and multi-level networks has caused the complexity of the network to increase geometrically, and network operation and maintenance are facing severe challenges. For example: a major European operator, the existing GSM / UMTS coexisting network has more than 3,000,000 neighbor relationships, and up to 36 handover relationships. After LTE deployment, it is estimated that the neighbor relationship will increase to 10,000,000, and the handover relationship will reach 64. This makes the operation and maintenance of the network more and more difficult. The deployment of small base stations requires higher accuracy and greater site density, which makes it difficult to perform fine optimization through traditional methods. Multi-standard, multi-layer network automation management is increasingly becoming an urgent means for operators to reduce O & M costs and improve O & M efficiency.
On the other hand, the simplification of network operation and maintenance is of vital importance for operators to improve OPEX efficiency and sustainable development. The analysis report of InfoneTIcs Research shows that the current total revenue of the top 5 mobile operators in the world accounts for 40% of the total revenue of all mobile operators in the world, and the operating cost also accounts for 40%. The operating costs of these 5 major operators are almost 70% of revenue. Moreover, with the increase in labor costs, especially in developed countries, the key to operating costs is labor costs, and operators' OPEX is constantly rising. If the operating cost increases further with the increase of network complexity, it may affect the operator's own development. Therefore, the current complex network situation urgently needs a technology that can help operators further improve OPEX efficiency on the premise of ensuring the unified perception of end users and key performance indicators of the network, avoiding the wider bandwidth and lower profits provided by operators The situation appears.
So, how to further improve OPEX efficiency? The old model does not work, only innovation.
The Self-Organizing Network (Self-Organizing Network) that emerged in the LTE era provides an innovative idea for the simplification of multi-standard and multi-layer network operation and maintenance. Since the LTE SON study started in 2006 and the release of SingleRAN in 2009, Huawei realizes that operators will simultaneously operate and maintain multi-standard and multi-layer networks. It only studies the limited effect of LTE SON on operators to reduce OPEX. SON must The development of multi-standard and multi-layer networks and the formation of a centralized and unified solution can suppress the cost of operation and maintenance-the proportion of total revenue further increases. As a result, the Huawei SingleSON solution came into being in 2011.
Simplify multi-standard, multi-level network operation and maintenance, thereby improving network operation and maintenance efficiency and network performance. This is the core idea of ​​SingleSON. As Jiang Wangcheng, President of Huawei Wireless Network OSS Product Line, introduced in an interview during the Mobile World Congress 2012 in Barcelona, ​​the value of SingleSON "is to help operators focus on synergizing between different systems and different levels of networks when operating and maintaining the SingleRAN network. Relationship, to automate the process of network planning, deployment, operation and maintenance, and troubleshooting, thereby reducing the number and difficulty of manual management, and improving operation and maintenance efficiency and network performance. "
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