The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 2010
Filed:
Jul. 05, 2007
Jingjie Cui, Shenzhen, CN;
Yu Lin, Shenzhen, CN;
Jingjie Cui, Shenzhen, CN;
Yu Lin, Shenzhen, CN;
Huawei Technologies Co., Ltd., Guangdong Province, CN;
Abstract
A buffer management method based on a bitmap table includes: dividing the bitmap table into a plurality of areas each containing at least one bit; determining and recording an idleness status of each of the areas in accordance with an unoccupied status of the bit in the area; and performing a management on a buffer address pointer in accordance with the recorded idleness status of each of the areas. The entire inventive procedure of allocating a buffer address pointer is fixed and easily controllable, and the RAM consumed for management on each buffer element including at least a 1-bit buffer space is approximately 1 bit, with a relatively fewer resources being consumed. The invention can enable that it takes two clock cycles on average to complete one procedure of allocating a buffer address pointer, and thus the efficiency in allocating and reclaiming a buffer address pointer is high, and the controllability during buffer management is improved. In the case that as a few as possible resources are consumed, the capability in buffer management is improved to a maximal extent, and hence the inventive can satisfy the demand of a large bandwidth for a large buffer.