The Base Station Subsystem

... 3 The Base Station Subsystem Via the Air-interface, the BSS provides a connection between the MSs of a lim- ited area and the network switching subsystem (NSS). The BSS consists of the following ... this chapter. 3.1 Base Transceiver Station The BTS provides the physical connection of an MS to the network in form of the Air-interface. On the other side, tow...

Ngày tải lên: 19/10/2013, 03:20

... 8 9 1 Spec Sheet FlexWave ™ Base Station System IP-Based RAN for Indoor/Outdoor Coverage and Capacity The FlexWave ™ Base Station System (BSS) is a complete base station system providing converged ... interface to the handset, while the FlexWave Base Station Controller (BSC) interfaces with existing standard TDM-based MSC and SGSN core network elements. Furthermore, with...

Ngày tải lên: 18/10/2013, 19:15

... wireless sectors, the FlexWave WMX 5000 can support: 12-sector base station, redundant 6-sector base stations, redundant four sector and other configurations within a single chassis. The FlexWave ... driving down the operational and capital outlays required to scale the network. FlexWave ™ WMX 5000 Carrier-Grade WiMAX Base Station Features: • Highest capacity; highest density...

Ngày tải lên: 18/10/2013, 19:15

... equipment and the related database. In other words, the subscriber to a GSM system is not determined by the identity of the mobile equipment but by the SIM, which always has to be inserted into the equipment ... perspective of the protocol, the MS is not only a peer of the BTS but communicates directly with the MSC and the VLR, via the mobility management (MM) and call...

Ngày tải lên: 19/10/2013, 03:20

... 4 The Network Switching Subsystem The NSS plays the central part in every mobile network. While the BSS pro- vides the radio access for the MS, the various network elements within the NSS assume ... deficiencies in the protocol between the MSC and the VLR forced the manufacturers to implement proprietary solutions. That is the reason the interface between the M...

Ngày tải lên: 19/10/2013, 03:20

... with the MSC at the central office. However in cases with heavy traffic usage and multiple base stations in one area, there is the option of distributing BSCs throughout the network. The FlexWave ... circuit-based A-interface to the MSC and a standard circuit-based Gb interface to the SGSN. There is also an option to connect into core network architectures that employ a sof...

Ngày tải lên: 22/10/2013, 17:15

... multimedia and data services. The FlexWave WMX 3000 operates seamlessly within a heterogeneous network by synchronizing with other FlexWave WMX base stations in the same cell. The system offers a broad ... Single-sector Base Station The FlexWave ™ WMX 3000 delivers industry leading WiMAX technology into a single-sector “stackable” form factor. For service providers seeking en...

Ngày tải lên: 17/01/2014, 12:20

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Ngày tải lên: 25/01/2014, 11:20

... for market-based approaches to better meet their needs, increase their productivity and incomes, and empower their entry into the formal economy. The 4 billion people at the base of the economic ... attention to the opportunities they represent. Market-based approaches also warrant far more attention in the development community, for the potential ben- efits they offer in...

Ngày tải lên: 15/03/2014, 21:20

... with continued use of the same amount of the substance. (2) Withdrawal, as defined by either of the following: (a) The characteristic withdrawal syndrome for the substance. (b) The same (or a closely ... progression, the gateway theory is a social theory. The latter does not suggest that the pharmacological quali- ties of marijuana make it a risk factor for progression to ot...

Ngày tải lên: 17/02/2014, 14:20