Patent ID: 9014179
Filing Date: 2015-04-21
Classification: H04B,H04L,H04W

Abstract:
1. A method for communication using a Space Division Multiple Access, SDMA, comprising: for each of channels including a traffic channel and a control channel, determining whether to SDMA-enable the channel according to the amount of traffic information and/or the amount of control information of the channel and a decision threshold corresponding to the channel; allocating a resource in an SDMA scheme for a SDMA-enabled channel and transmitting data of each user on the channel only on a Remote Radio Unit, RRU or RRUs, serving the user according to a decision result deciding that the RRU or RRUs serve the user; and for a SDMA-disabled channel, transmitting all data on the channel on all RRUs, wherein when the channel is a Physical Downlink Shared Channel, PDSCH, the determining whether to SDMA-enable the channel according to the amount of traffic information and/or the amount of control information of the channel and a decision threshold corresponding to the channel comprises: determining whether to SDMA-enable the PDSCH by comparing the total amount of downlink traffic information in a current cell with a first downlink enabling threshold and a first downlink disabling threshold.