Manual Packet Wave

Páginas: 7 (1542 palabras) Publicado: 8 de noviembre de 2012
The Aperto PacketWave 600 Series provides economical, high efficient wireless bridging for a wide array of networking applications.

Features
Delivers data rates up to 20 Mbps per 6 MHz channel; 12 Mbps net throughput Range extends up to 62 miles (100 km) in 2.5 GHz, 40 miles (64 km) in 3.3 or 3.5 GHz, and 35 miles (56 km) in 5.3 or 5.8 GHz Narrow channel widths (2 to 6 MHz) enable highlyefficient division of the channel band—up to 12 times more efficient for backhauling to T1 lines than competing products Automatic Frequency Selection (AFS) switches pre-selected channels dynamically when error rates are high QoS capabilities prioritize time-sensitive voice and data traffic Rate limiting between wireless links and points of presence helps alleviate bandwidth contention problemsSynchronization between units supports hub-site co-location of links and contiguous channels Connectorized output enables optional highgain antennas

PacketWave® 600 Series
Wireless Bridges
2.5 GHz, 3.3 GHz, 3.5 GHz, 5.3 GHz, 5.8 GHz

Aperto® Networks PacketWave® 600 Series wireless bridges provide economical, high-speed IP connections between locations up to 62 miles (100 km) apart, withunparalleled interference resilience and highly efficient spectrum usage. The bridges enable a wide range of applications that include high-bandwidth backhaul from Wi-Fi™ hot spots to the Internet and WANs. They also offer a higher-capacity, lower-cost alternative to T1/E1 connections from one building to another in an enterprise environment. And they support backhaul of IP-based third-generationUniversal Mobile Telecommunications System (UMTS) networks. PacketWave wireless bridges deliver 20 non-overlapping 6 MHz channels in the 5.8 GHz ISM band—more than five times the number of channels offered by competitors.

Interference Resilience
PacketWave wireless bridges provide highly effective interference immunity using Aperto’s OptimaLink® technology. OptimaLink dynamically changes several PHYand MAC parameters on a burst-by-burst basis. This provides a spectrally efficient link that is robust enough to handle a wide variety of interference conditions. Adaptive parameters include: • Modulation • ARQ (Automatic Re-transmissions) • Payload size • FEC (Forward Error Correction)

Co-location and Antenna Options
A synchronization option provides the ability to implement up to 32 wirelessbridge units at the same location. Multiple units can be configured on adjacent channels with no frequency separation requirements. In addition, external antenna connectors provide the flexibility to use various antennas to address diverse range requirements.

PacketWave 620

Used in conjunction with PacketWave access points, PacketWave 600 Series wireless bridges provide robust, highspeedpoint-to-point backhaul for remote locations.

Point-to-Point Backhaul of Remote Locations

Narrow Channels
PacketWave 600 bridges deliver excellent spectral efficiency and service-offering scalability. Aperto bridges are 12 times more efficient than competing products when used to backhaul T1/E1-size data pipes, accommodating channel sizes down to 2 MHz (compared to 25 MHz for competitors).With PacketWave 600 bridges, providers can divide crowded unlicensed spectrum into 62 unique channels without sacrificing service quality. In the licensed spectrum, this efficient channel division yields more profitability per hertz. Besides optimizing overall band usage, the bridges let providers make more efficient use of single channels by conserving bandwidth. The narrow channel widths alsoimprove link margins—the ability of the signal to tolerate path interference from environmental conditions such as multipath fading.

Traf fic Prioritization
Aperto bridges provide 802.16 standard QoS capabilities that allow providers to give priority to time-sensitive applications such as voice and video traffic. They can also accommodate any virtual LAN (VLAN) priority scheme. These QoS...
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