Zte Corporation

Junqiang Liu

Shugong Lin

Xiang Cheng

Yunliang Geng

Donglei Chen

Ruifeng Li

Disclosed are a method and apparatus for MTC device accessing wireless communication system. The method comprises: after the access network element obtaining the limited factor of the queue length, the normal access rank MTC device obtaining the corresponding limited factor of the queue length by monitoring the broadcasting channel; the MTC device calculating the queue length of its buffer, and judging whether the extending access barring EAB process can be performed according to the calculated queue length of its buffer and the obtained limited factor of the queue length; if not, continuing obtaining the corresponding limited factor of the queue length by monitoring the broadcasting channel; if yes, performing the EAB process, and determining whether random access process to the wireless communication system can be initiated according to the performance result of the EAB process. Applying the invention, the overflow of the buffer can be avoided, which is resulted from that the MTC device with large traffic can not access the network.

Method and apparatus for MTC device accessing wireless communication system

The present document provides a method for a User Equipment (UE) which activates multi-stream transmission to transmit a High Speed Dedicated Physical Control Channel (HS-DPCCH) and a UE thereof, wherein the method is applied in a multi-stream transmission system, and includes: after receiving High-Speed Physical Downlink Shared Channel (HS-PDSCH) subframes transmitted from primary and secondary serving cells, the UE which activates the multi-stream transmission transmitting a HS-DPCCH carrying jointly encoded Acknowledge/Negative Acknowledgement (ACK/NACK) and Channel Quality Indicator (CQI) after a predetermined duration by taking a later received HS-PDSCH subframe of the pair of paired HS-PDSCH subframes as a reference, wherein the predetermined duration is determined according to a timing correlation by which the UE transmits the HS-DPCCH subframe and correspondingly receives the HS-PDSCH subframe, which is specified in the 3Generation Partnership Project (3GPP) specification 25.211.

Method for activating multiple streams transmission UE to transmit HS-DPCCH and UE thereof

The present document provides a method, a multi-point transmission system, a base station and a terminal for transmitting data in a multi-point transmission system. The method includes: for a User Equipment (UE) enabling multi-point transmission, a base station to which a secondary serving cell of the UE belongs adjusting a time when a High Speed Shared Control Channel (HS-SCCH) and a High Speed Dedicated Physical Control Channel (HS-PDSCH) are transmitted to the UE according to frame offset information of the primary and secondary serving cells of the UE, so that a subframe boundary offset between the HS-PDSCHs of the primary and secondary serving cells received by the UE is within a specified range, and a subframe boundary offset between the HS-SCCHs of the primary and secondary serving cells received by the UE is within the same specified range.

Method, system, base station and terminal for sending multipoint transmission system data

A method and system are disclosed for power saving of NodeB. The method includes the following steps: when a first condition is met, the NodeB enters a power saving mode and at least one multi-input multi-output (MIMO) cell of the NodeB is reconfigured as a non-MIMO cell; when a second condition is met, the NodeB enters a normal mode, and at least one non-MIMO cell of the NodeB is reconfigured as a MIMO cell. The method and system can dynamically configure the cell mode, which both ensures the experience of MIMO terminal and saves the power consumption of the NodeB in the case that the user data amount is not large.

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Shenzhen, China

Junqiang Liu