OFDM FOR WIRELESS AND OPTICAL COMMUNICATIONS

Ofdm optical amplifier

Ofdm optical amplifier

The optical link consists of an optical amplifier, an optical filter, and single mode fiber and loop control. Abstract—This letter proposes a design of low peak-to-average power ratio (PAPR), low symbol error rate (SER), and high data rate signal for optical orthogonal frequency division multiplexing (OFDM) systems. Various factors are elaborated within this context to ascertain a more effective O-OFDM approach, including constellation size, data arrangement and. 60 GHz millimeter-wave (mm-wave) frequency band is also becoming a most popular upcoming frequency. Orthogonal Frequency Division Multiplexing (OFDM) is a widespread technology in broadband communication (wired and wireless) because of its ability to cope with strong channel distortions (interference, frequency fading, multipath propagation). This paper investigates the architecture of single channel and four channel direct detection and coherent detection optical OFDM systems and carries out performance analysis based on bit error rate and Q-factor. In the case of single channels, a date rate of 10 Gbps is achieved while in 4 channel.

Read More
East Asia Communications Optical Cable Junction Box

East Asia Communications Optical Cable Junction Box

This box is used as a termination point for the feeder cable to connect with drop cable in FTTx communication network system. The fibre optic Keystone SC Simplex OM2 in beige is designed for multimode 2 connections and enables reliable data transmission at up to 1 Gbit/s over distances of up to 550 m and 10 Gbit/s over up to 82 m. The GZR Series 19" Rack-mounted Terminal Box (Rail-based) is a functional component for optical fibre distribution frames or network integrated cabinets, offering fibre splicing, distribution, and tray storage.

Read More
Location detection of buried optical cables

Location detection of buried optical cables

Few tools are used to detect the fibre optic cables, such as Pipe Cable Locator with Sonde (PCL) or Duct road and Ground Penetrating Radar (GPR). This method is helpful for non-metallic detection such as drains, sewer pipes or ducts. It is often necessary to locate buried optical fiber cable to prevent dig-ups during construction, to access fibers for termination, to effect repairs, or for other reasons. A seismic generator creates seismic pulses, at known frequencies, on the ground (or water) at a first location and the synchronous rotation of the polarization state of light transmitted.

Read More
Is the butterfly-shaped optical cable single-mode or multi-mode

Is the butterfly-shaped optical cable single-mode or multi-mode

Butterfly cables almost universally use bend-insensitive single-mode fiber — specifically types covered by the ITU-T G. Here's what the subtypes mean in practice:The choice of fiber optic cable depends on the specific needs of the application, as well as the performance and budget requirements of the project. Fiber optic cables use light to transmit data, while traditional cables, such as copper cables, use electrical signals. This single structural difference separates indoor butterfly cables (FRP only) from their outdoor, self-supporting counterparts.

Read More

Get In Touch

Connect With Us

📱

Poland (Sales & Engineering HQ)

+48 22 538 72 19

📍

Headquarters & Manufacturing

ul. Postępu 14, 02-676 Warszawa, Poland