ERICSSON RNC 3820 PDF

To browse Academia. Skip to main content. By using our site, you agree to our collection of information through the use of cookies. To learn more, view our Privacy Policy. Log In Sign Up. The interface between two different RNCs is called Iur and the interface to core network nodes is called Iu.

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To browse Academia. Skip to main content. By using our site, you agree to our collection of information through the use of cookies. To learn more, view our Privacy Policy. Log In Sign Up. The interface between two different RNCs is called Iur and the interface to core network nodes is called Iu. OSS-RC also provides several interfaces for integration within an existing network management environment.

The two central building blocks for the RNC are the main sub-rack and the extension sub-rack. The smallest configuration contains only the main sub- rack. However, up to five extension sub- racks can be added to provide capacity for serving some , subscribers on base stations The RNC is available in several configurations the largest of which is the F configuration. Apart from the incorporated fan, each sub-rack contains a cable shelf below and an additional fan unit on top.

A standard cabinet is equipped with two APPs located one above the other at the very bottom of the cabinet. Consists of one cabinet Each cabinet contains one to three sub racks.

A cabinet contains one to three subracks. Has one MS, located in the Main Cabinet. ESs can be added for increased traffic capacity and connectivity.

ESs are connected to the MS using internal link redundancy. Only available for transmission expansion. It contains and executes the main part of the RNC software. In case of failure in the active board, the standby GPB takes over the role as active. The GPB contains a flash disk drive. Each of the SPB types supports up to 84 Mbps of single user throughput. Special-purpose processor boards SPB are used for special, resource-intensive tasks, such as processing user-plane data.

It is also the The timing unit board TUB provides the timing reference for the system. It has hardware modules that provide the links ISL.

It provides connectivity for internal and external user plane traffic with redundancy between device boards in the same or different subracks. Variants 74 and 75 have Ethernet connections to the backplane for use in a High Capacity Subrack. The unit provides primary memory RAM , disk memory flash disk and a flash memory.

The EPB is equipped with Ethernet and asynchronous serial interfaces accessible from the board front panel. The EPB contains a flash disk drive. They are as follows: Switch. The unit also has a device processor that terminates 10 Gbit Ethernet traffic on Ethernet connections to the backplane. The unit is equipped with Ethernet and serial front ports for management purposes. The unit provides primary memory RAM , disk memory flash disk and a flash memory on the main processor and separate primary memory for the device processor.

To support multi technology Ericsson is introducing a new base station family known as the RBS The FCU is a single unit that controls and supervises up to four internal fans.

FU is Filter Unit. A and Ant. Downlink TX signals are filtered in the FU before transfer to the antenna and uplink RX signals from the antenna are filtered and amplified before transfer to the RU. Communication includes control data, clock signals and gamma data. The RU receives digital data from the Baseband, converts the data into analog radio signals, amplifies these and feeds them to the Filter Unit FU. The RU also receives radio signals from the FU, converts these signals into digital data, and sends them to Baseband.

The RAX board is used for uplink baseband processing. The TX board is used for downlink baseband processing such as transport channel handling, encoding, modulation, spreading and channel combining. TX boards are available with different CE capacities. No More Feeder Loss. Easier antenna placement: With the Main-Remote concept, it becomes easier to place antennas at far greater distances from each other, and from the main RBS cabinet Main Unit.

RBS HW. These can be configured as 6x1 and RAX boards. One of the RAXB positions can also be utilized by an additional transmission board e. If the additional transmission interface is installed, then the maximum uplink Maximum base band Capacity is 4 RAXB boards. The intelligent power supply provides power on demand that is exactly matched to what is needed at any given moment, thus ensuring that power consumption is kept to an absolute minimum. The DU provides switching , Traffic management, timing, basebande processing , and radio interface.

The RU receives digital data and converts it to analog signals. It also receives the radio signals and converts these to digital signals. An optical fiber cable connects each RRU to the main unit.

The maximum length of the optical fiber connecting the main unit and an RRU is 40 km. The RBS can be configured for up to three sectors with four carriers for each sector or for up to six sectors with two carriers for each sector. The number of RRUs supported depends on the available radio configurations. Related Papers. By Vms Bien Hoa. By suleymman gursoy. NSS Hwei intro.

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Ericsson Rnc 3820 PDF

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Increased capacity. The role of the RNC. As the cellular industry has evolved from first-generation to third-generation cellular systems, system architects have refined the. RNC may refer to: Contents. Radio Network Controller, a.

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Ericsson RNC 3820

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