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Transmission scheduler for multiple antenna wireless cellular network

A scheduler and antenna technology, applied in radio transmission systems, diversity/multi-antenna systems, wireless communications, etc., can solve the problems of complex scheduling and increase the complexity of scheduling.

Inactive Publication Date: 2005-12-07
IOSPAN WIRELESS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The greater the number of base transceiver stations and subscriber units, the more complex the scheduling
In addition, the above-mentioned spatial multiplexing and communication diversity also increase the complexity of scheduling

Method used

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  • Transmission scheduler for multiple antenna wireless cellular network
  • Transmission scheduler for multiple antenna wireless cellular network
  • Transmission scheduler for multiple antenna wireless cellular network

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0038] As shown in the accompanying drawings for explanation, the present invention is embodied as an apparatus and a method for scheduling wireless transmission of data blocks between at least one antenna of a base transceiver station and a plurality of subscriber units. The scheduling may be based on the quality of the transmission link between the base station antenna and the subscriber unit, the amount of data requested by the subscriber unit, and / or the type of data requested by the subscriber unit. The scheduling typically involves assigning frequency blocks and time slots to each subscriber unit for receiving or transmitting blocks of data.

[0039] As previously stated, the present invention involves wireless communication between at least one base transceiver station and subscriber units. This communication is two-way. That is, information is transmitted from the base transceiver station to the subscriber unit (downlink transmission), and information can also be tran...

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PUM

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Abstract

A wireless communication system (Fig. 3) which uses a scheduler (330), and allows for QoS and diversity combining.

Description

technical field [0001] The present invention relates generally to wireless communications. More specifically, the present invention relates to scheduling data for wireless transmission between a base station controller and a subscriber unit having multiple antennas. Background technique [0002] Wireless communication systems generally involve information carrying modulated carrier signals that are wirelessly transmitted from a source (eg, a base transceiver station) to one or more users (eg, subscriber units) within an area or area. [0003] spatial multiplexing [0004] Spatial multiplexing is a transmission technique that employs multiple antennas at both base transceiver stations and subscriber units to increase the bit rate in wireless radio links without additional power or bandwidth consumption. Under certain conditions, spatial multiplexing increases spectral efficiency linearly with the number of antennas. The substreams occupy the same channel in a multiple acc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/06H04L12/28H04L12/56H04W72/54
CPCH04B7/0613H04W72/04H04W72/042H04W72/1263H04L5/0023H04L5/0044H04L5/0064
Inventor M·艾里B·阿尔-达巴J·塔拉多P·米斯拉J·范P·K·塞巴斯蒂安A·J·保罗拉
Owner IOSPAN WIRELESS INC