Communication service of Guangdong Yitong Century Technology Co., Ltd.

Wireless network optimization and adjustment (access, maintenance and integrity optimization, equipment from Ericsson, Nokia Siemens, Motorola, Huawei, Nortel, etc. )

Wireless network planning and design and frequency planning

Network Signal Testing and Wireless Optimization

Overview of wireless environment

Optimization after project construction

Data service test optimization

User complaint testing and handling

Verification and Optimization of New Functions of GSM Network

Subdivided topic optimization (handover, paging, delay, high level, etc.). )

Large-scale multi-service communication support work

CDMA network optimization

New CDMA station optimization, cluster optimization and whole network optimization.

Quality coverage evaluation of CDMA wireless network

Optimization of C-G contrast test;

CDMA Optimization Based on User Perception

CDMA end-to-end optimization

Optimization of CDMA indoor distribution system

Optimization of CDMA indoor and outdoor service switching

Comparison, Evaluation and Optimization of Key Performance of CDMA Network

Optimization of data service in CDMA EVDO network

Market support and various communication guarantees

WCDMA network optimization

WCDMA new station optimization, cluster optimization and whole network optimization;

WCDMA wireless network coverage evaluation;

W-G interoperability optimization;

Optimization of WCDMA based on user perception;

WCDMA end-to-end optimization;

WCDMA indoor distribution optimization;

WCDMA indoor and outdoor service switching optimization:

Comparison, evaluation and optimization of key performance between WCDMA network and TD network;

Optimization of throughput and carrying capacity of WCDMA data network;

TD network optimization

TD New Station Optimization, Cluster Optimization and Regional Optimization (Accessibility, Retention and Integrity)

TD Pavement Test Optimization and Fixed-point Test Optimization

Optimization of TD-GSM interoperability

TD end-to-end optimization

Optimization of indoor distribution of TD;

TD indoor and outdoor service switching optimization;

Optimization of throughput and carrying capacity of TD data network;

Data performance optimization based on service level;

Comparative evaluation of advantages between TD network and WCDMA network;

Various thematic optimization projects of core network, data network and transmission network.

Transmission network optimization: optimize the transmission network, find and solve network hidden dangers, and improve the utilization rate of online resources, including network cutting optimization, network management optimization, resource optimization, etc.

Core network optimization: index optimization of network equipment such as Ericsson and Huawei, design, inspection and optimization of local data standards, etc. Wireless engineering:

Installation, debugging and opening of base station main equipment: it can be used as the main equipment of Ericsson, Huawei, Siemens, Motorola, ZTE, Nokia and other manufacturers;

Supervision of equipment installation, testing and opening of communication manufacturers: supervision of communication equipment installation, testing and opening of Ericsson, Huawei, ZTE and other manufacturers;

Installation and debugging of supporting equipment of base station: installation and debugging of various power supply equipment, external communication, transmission and outdoor antenna feed system equipment of base station;

Design, installation and testing services for indoor coverage, repeater and WLAN of the second and third generation mobile communication;

Engineering services such as site selection of base stations: it can provide engineering-related services such as site selection, exploration, negotiation, and signing of computer room use contracts;

Basic supporting services such as decoration of base station computer room, introduction of external power supply, installation of outdoor cable racks and support rods;

Communication equipment adjustment and antenna adjustment services.

Core network engineering:

The installation and debugging of the main equipment of the core network covers the equipment of major manufacturers such as Ericsson, Huawei, ZTE, Datang and Nokia Siemens.

Installation and testing of supporting power supply equipment and transmission equipment, such as Ericsson, Huawei, Pearl River, Lucent, Zhuhai Wuhan International, Tiandong, Hongda Letter and other manufacturers' equipment.

Network adjustment services: network element switching, base station switching, wireless frequency conversion, software revision, equipment replacement, equipment adjustment, IP transformation and other projects.

Data communication system integration: data communication equipment installation and debugging, integrated wiring construction of IP private line and group private line, etc.

Transmission engineering business:

Transmission equipment installation project: including hardware installation, software debugging and software supervision services of PTN, SDH and WDM equipment;

Pipeline and optical cable line engineering: including communication pipeline exploration, construction application, construction, pipeline/overhead cable laying, welding, end forming and other line engineering; Maintenance of base station main equipment: equipment from Ericsson, Siemens, Motorola, Nokia, ZTE and other manufacturers;

Adjustment, optimization and expansion of base station wireless equipment;

Maintenance, rectification, special design and implementation of supporting equipment for base stations;

Asset survey of wireless devices;

Base station antenna feed and tower maintenance;

Maintenance of power supply equipment for base stations and computer rooms: equipment from manufacturers such as Pearl River, Futenma Intercontinental, Emerson, Ericsson and Tiandong;

Battery maintenance, performance test and preservation test: for manufacturers such as Huada, Deng Shuang and Du Nan;

Maintenance of base station transmission equipment: equipment of Huawei, ZTE and other manufacturers;

Repeater equipment maintenance: Jingxin, Ewing, Alcan, Sanwei and other manufacturers' equipment;

Base station emergency power generation;

Emergency communication support and emergency communication vehicle maintenance;

Transmission network pipeline maintenance service: provide customers with the concept of fast, high-quality, accurate and efficient, and provide a series of professional maintenance projects such as line inspection, marking, rectification, optical fiber preparation and testing, splicing and relocation. To ensure the smooth communication network of customers;

Transmission network equipment maintenance service: provide customers with fast, high-quality, accurate and efficient service, and provide a series of professional maintenance projects such as network management fault handling, equipment hardware fault handling, circuit scheduling, network switching and so on. To ensure the smooth communication network of customers.

Resident network maintenance

IP private line maintenance

WLAN equipment maintenance: Samsung, ZTE, H3C, Motorola and other manufacturers of equipment; Core network technical support: such as daily technical support services, inspection and fault handling support services of Ericsson, Huawei and ZTE equipment.

Technical support of data network: provide daily technical support services such as IP private line and network management, and patrol customers of group private line.

Network monitoring technical support: provide network monitoring technical support services from Ericsson, Huawei, ZTE and other manufacturers, covering MSS, BSC, GW, HLR, TMSC, STP, SMS center, intelligent network, IOD and other network elements.

Value-added technical support for network equipment: patch loading, signaling monitoring, asset statistics and other technical support services for core network main equipment and data communication equipment.

Special services: research and innovation on fault location, quality evaluation, signaling evaluation and IP bearer research of switching networks;

Provide auxiliary services such as core network technical consultation and project technical support;

Transmission network technical services: provide transmission network planning, design, engineering management and technical support services.