Patent ID: 8203955
Filing Date: 2012-06-19
Classification: H04L,H04W

Abstract:
1. A method for scheduling packets in an orthogonal frequency division multiple access (OFDMA) system, the method comprising: determining whether a packet corresponds to a poor geometry user; segmenting the packet into smaller packets if the packet belongs to a poor geometry user; scheduling each segmented packet for transmission independently; if the packet is not segmented, determining if the packet is to be retransmitted; retransmitting the packet if it is to be retransmitted; if the packet is not to be retransmitted, determining if the packet is subject to a persistent assignment; if the packet is subject to persistent assignment, transmitting the packet using persistently assigned resources in a persistently assigned format; and, if the packet is not subject to persistent assignment, prioritizing transmission of the packet based on packet delay information, wherein the prioritizing transmission comprises tracking a number of non-persistent assignment messages in an interlace; and transmitting the packet if the number of non-persistent assignment messages for the interlace is equal to a preset value.