Abstract: Described herein is a bobbin [200] for winding an optical fiber thereon The bobbin [200] comprises: at least one side plate [102] installed on an end thereof, to define a secondary optical fiber winding region [200b] around a periphery thereof; a cylindrical portion [202] defining a primary optical fiber winding region [200b]; and a first and second disc-shaped flange portions [204, 206] on either ends thereof. At least one of the first and second disc-shaped flange portions [204, 206] defines a through-slot [210] for routing the optical fiber from the primary optical fiber winding region [200a] to the secondary primary winding region [200b], and a curved support section [212] defined below the through-slot [210], and having a convex structure coaxial to the secondary optical fiber winding region [200b], for smoothly guiding the optical fiber from the through-slot [210] onto the secondary optical fiber winding region [200b].

Abstract: Systems and methods for efficient time multiplexed digital beamforming in a network are described. In particular, the system (for example, a radio unit) receives a C-plane packet from a fronthaul interface and stores corresponding control information of the C-plane packet at a scheduler, stores beam weight information in one or more beam weight buffers, receives and stores data samples in data input buffers, receives processing information from a timer, receives one or more scheduling instructions for at least two of the data input buffers from the scheduler, sequentially retrieves the data samples from the at least two of the data input buffers based on the one or more scheduling instructions, and processes the retrieved data samples from the at least two of the data input buffers for beamforming within a single symbol duration based on synchronization of the one or more scheduling instructions.

Abstract: Systems and methods for adaptive transmit power control in a wireless communication device are described. In particular, the method includes setting a power level of a baseband signal at a baseband subsystem, setting a power level of a digital frontend (DFE) radio frequency (RF) signal at a DFE subsystem, setting a gain of a variable gain amplifier (VGA) at a RF FE subsystem, and optimizing a transmit power of the system based on adaptively controlling the power level of the baseband signal, the power level of the DFE RF signal, and the gain of the VGA to meet a target error vector magnitude (EVM) for a corresponding modulation and coding scheme (MCS) value.

Abstract: The present invention provides an optical fiber cable (100) comprising one or more optical fibers (102) enclosed within an outer sheath (104) of the optical fiber cable (100). The outer sheath (104) surface has an average roughness (Ra) in the range of 1 to 4 ?m, and a maximum height of roughness (Rz) in the range of 6 to 15 ?m, wherein the outer sheath material comprises high density polyethylene (HDPE). The outer sheath (104) material has a low coefficient of dynamic friction. At a distance of about 1850 m, the optical fiber cable (100) has a blowing speed greater than about 70 m/min.

Abstract: Systems and methods for antenna calibration of transmit chains in a base station are described. In particular, the method includes determining, by a controller, that user data transmission is initiated in an operating phase of the base station. A need for calibration of a plurality of transmit chains in the base station is determined. In response to the determination, the method includes detecting an arrival of at least one of a guard period of a special time slot in a Time-Division Duplex (TDD) radio frame, and an Orthogonal Frequency-Division Multiplexing (OFDM) symbol allocated by one or more higher layers in a Frequency Division Duplex (FDD) radio frame. The method includes performing fine-tuned calibration of each of the plurality of transmit chains based on the detection.

Abstract: The present disclosure provides an armored cable (100) comprising a plurality of sub units (104), the sub units (104) comprising a plurality of optical fibers (106). The sub units (104) are enclosed in a thin protective layer (110), which is placed within an armor layer (108). An outer cable jacket (112) surrounds the armor layer (108), which optionally comprises at least a strength member (114).

Abstract: The present disclosure provides an armored cable (100) comprising a central core (102) comprising a plurality of intermittently bonded ribbon (IBR) bundles (104) enclosed in a protective layer (106), which is placed within an armor layer (108). An outer cable jacket (110) surrounds the armor layer (108), which optionally comprises at least a strength member (114).

Abstract: The present disclosure provides an armored cable (100, 200) including a plurality of optical fibers (106) arranged in a plurality of IBRs, which can be bundled or unbundled. The IBRs are enclosed by a first layer of thin polymer sheath (102, 202). The first layer (102, 202) is further enclosed in a second layer (108, 208), which is placed within an armor layer (110, 210). An outer cable jacket (112, 212) surrounds the armor layer (110, 210), which optionally comprises at least a reinforcing member (114, 214).

Abstract: The present disclosure provides an optical fiber ribbon (10) comprising a plurality of optical fibers (11) with coating of superabsorbent material (C). The coating (C) is applied selectively on bonded regions (13) or unbonded regions (14) of the ribbon (10). The ribbon (10) provides for reduced diameter, higher packing density, and reduced micro-bending losses. Optical fiber cable (20) comprising optical fiber ribbon (10) is also provided in the present disclosure.

Abstract: Systems and methods for efficient time multiplexed digital beamforming in a network are described. In particular, the system (for example, a radio unit) receives a C-plane packet from a fronthaul interface and stores corresponding control information of the C-plane packet at a scheduler, stores beam weight information in one or more beam weight buffers, receives and stores data samples in data input buffers, receives processing information from a timer, receives one or more scheduling instructions for at least two of the data input buffers from the scheduler, sequentially retrieves the data samples from the at least two of the data input buffers based on the one or more scheduling instructions, and processes the retrieved data samples from the at least two of the data input buffers for beamforming within a single symbol duration based on synchronization of the one or more scheduling instructions.

Abstract: Systems and methods for efficient coordination in a network for power management are described. In particular, the system (for example, a radio unit) monitors a downlink traffic at the radio unit in the network, and determines a low traffic state of the radio unit. Further, the system identifies a power consumption policy for the radio unit to enter a low power state, and communicates the power consumption policy and a set of parameters associated with the power consumption policy to a distributed unit and/or a management unit via an M-plane or a C-plane communication. Further, the system receives an offset time from the distributed unit based on the set of parameters. The system applies the power consumption policy at the radio unit on completion of the offset time. Therefore, by selecting an appropriate mode of communication, the systems and methods enable efficient coordination in the network.

Abstract: An optical fiber cable [100] is disclosed that is capable of aerial suspension. The optical fiber cable [100] comprises at least one substantially round, flexible outer sheath [102]; at least one easily peelable color coded sleeves [106] enclosing plurality of fibers [104]; and at least one strength member [108] suspended linear to an axis of the fiber optical cable [100] and surrounded with an anti-corrosion coating, wherein the optical fiber cable [100] has breaking strength between 1300 and 2000 N.