H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 28/04 (2009.01) H04W 16/28 (2009.01) H04L 1/16 (2006.01)
Patent
CA 2742159
Even if a system bandwidth is expanded, transport signals can be effectively retransmitted with the degradation of retransmission efficiency suppressed. A mobile communication system includes a base station apparatus (20) and a mobile terminal apparatus (10). The base station apparatus (20) divides, by use of a retransmission block dividing unit (21), a transport signal into retransmission blocks in accordance with a retransmission block table that includes registrations of the numbers of retransmission blocks that are required according to the numbers of transmission antennas and the system bandwidths if the maximum value of sizes of retransmission blocks, which are retransmission units for transport signals, is fixed to a certain value. The base station apparatus (20) then retransmits the transport signal corresponding to the divided retransmission blocks via a downlink. The mobile terminal apparatus (10) receives, from the base station apparatus (20), the transport signal corresponding to the retransmission blocks, and combines the retransmission blocks to reconstruct the transport signal before division.
Même si une largeur de bande de système est élargie, des signaux de transport peuvent être retransmis efficacement, la dégradation de l'efficacité de retransmission étant supprimée. Un système de communication mobile inclut un appareil de station de base (20) et un appareil de terminal mobile (10). L'appareil de station de base (20) divise, par l'utilisation d'une unité de division de blocs de retransmission (21), un signal de transport en blocs de retransmission conformément au tableau de blocs de retransmission divisés qui inclut les enregistrements des nombres de blocs de retransmission qui sont requis selon les nombres d'antennes de transmission et les largeurs de bandes du système sil la valeur maximale des tailles des blocs de retransmission, qui représentent des unités de retransmission destinées aux signaux de transport, est fixée à une certaine valeur. L'appareil de station de base (20) retransmet ensuite le signal de transport correspondant aux blocs de retransmission divisés via une liaison descendante. L'appareil de terminal mobile (10) reçoit, de la part de l'appareil de station de base (20), le signal de transport correspondant aux blocs de retransmission et combine les blocs de retransmission pour reconstruire le signal de transport comme il était avant d'être divisé.
Kishiyama Yoshihisa
Miki Nobuhiko
Nagata Satoshi
Sawahashi Mamoru
Ntt Docomo Inc.
Oyen Wiggs Green & Mutala Llp
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