Industrial Technology Research Institute

Acer Inc.

Chun-Yen Wang

Chun-Chia Chen

Tzu-Ming Lin

Shiang-Jiun Lin

Chun-Yuan Chiu

Chang-Lung Hsiao

Chie-Ming Chou

Ren-Jr Chen

Chi-Fang Li

A method of handling buffer status report for a mobile device capable of UL MIMO and/or capable of receiving and/or transmitting on a plurality of component carriers in a wireless communication system is disclosed. The method comprises generating at least a buffer size table each including a plurality of indexes according to the maximum uplink data transmission rate, wherein some of the plurality of indexes each is used for indicating a data amount in an uplink buffer of the mobile device for the buffer status report.

Method of handling buffer status report and communication device thereof

A method of reference cell maintenance for a mobile device in a wireless communication system is disclosed. the method comprises being configured a plurality of secondary cells, where one of the plurality of secondary cells is a reference cell for information reference for another secondary cell, and keeping the reference cell in activated when the reference cell is used by another secondary cell for information reference.

Method of reference cell maintenance

A method of handling measurement gap configuration for a network in a wireless communication system comprising a mobile device capable of receiving and/or transmitting on a plurality of component carriers is disclosed. The method comprises configuring at least a measurement gap configuration each for at least a component carrier of the plurality of component carriers, to the mobile device.

Method of handling measurement gap configuration and communication device thereof

A method of handling uplink synchronization for a mobile device capable of receiving and transmitting on a plurality of component carriers in a wireless communication system is disclosed. The method comprises performing a first random access procedure on a first component carrier of the plurality of component carriers to establish uplink synchronization on the first component carrier, and performing a second random access procedure on at least a component carrier of the plurality of component carriers to establish uplink synchronization on the at least a component carrier.

Method of handling uplink synchronization and related communication device

A method of handling component carrier activation and deactivation for a mobile device capable of receiving and transmitting on a plurality of component carriers in a wireless communication system is disclosed. The method includes starting a deactivation timer for a component carrier of the plurality of component carriers when the component carrier is activated, wherein the deactivation timer provides a period of time for component carrier activation, performing a Hybrid Automatic Repeat Request (HARQ) process on the component carrier, and extending activation time of the component carrier when a retransmission of the HARQ process is not finished before deactivation of the component carrier.

Method of handling component carrier activation and deactivation and communication device thereof

A method of uplink control information transmission for a mobile device with carrier aggregation in a wireless communication system is disclosed. The method comprises being configured a plurality of cells including a primary cell and at least a secondary cell by a network of the wireless communication system, determining to transmit the uplink control information in a transmission time interval, and when the primary cell has no uplink resource for the uplink control information transmission, transmitting the uplink control information on at least a secondary cell having uplink resources in the TTI.

Method of uplink control information transmission

Communication methods for aggregation of heterogeneous component carriers and communication devices and wireless communication stations using the same methods are proposed. In one embodiment, the proposed communication method is adapted to a wireless communication station and includes aggregating physical channel resources respectively corresponding to heterogeneous access technologies in a Layer 2 or below the Layer 2 in a protocol stack; and communicating with at least one wireless terminal communication device through the physical channel resources respectively corresponding to the heterogeneous access technologies, wherein the physical channel resources respectively corresponding to heterogeneous access technologies are heterogeneous component carriers. The physical channel resources may be heterogeneous component carriers, such as radio component carrier(s), optical component carrier(s), and/or acoustic component carrier(s).

Communication method for aggregation of heterogeneous component carriers and communication device and wireless communication station using the same

A method of performing buffer status reporting for a mobile device capable of UL MIMO and/or capable of receiving and transmitting on a plurality of component carriers in a wireless communication system is disclosed. The method comprises generating at least a MAC subheader, generating at least two MAC control elements for jointly indicating buffer status of at least a logical channel group in the mobile device, and generating a MAC PDU including the at least a MAC subheader and the at least two MAC control elements for the buffer status reporting.

Method of performing buffer status reporting and communication device thereof

A method and a wireless communication system for providing downlink (DL) control signalling for a communication apparatus are provided. In the method, at least two scheduling cells are configured for providing DL control signalling, and the DL control signalling is provided on one or more of the at least two scheduling cells for a scheduled cell.

Method and wireless communication system for providing downlink control signalling for communication apparatus

A method for a base station to provide a multicast and/or broadcast service (MBS) in a communication system. The method includes: transmitting system information on a system control information block (SCIB); transmitting MBS control information that is changed with relatively high frequency on a secondary multicast/broadcast control information block (S-MCIB); and transmitting MBS content data based on the MBS control information.

System and method for providing multicast and/or broadcast services

A wireless communications device with a wireless module and a controller module is provided. The wireless module performs wireless transceiving to and from a radio access network. The controller module receives a preamble assignment message comprising a component carrier indicator from the radio access network via the wireless module, and transmits, on a component carrier corresponding to the component carrier indicator, a Random Access Preamble (RAP) message to the radio access network via the wireless module. Also, the controller module receives a Random Access Response (RAR) message corresponding to the RAP message from the radio access network via the wireless module, and determines whether to activate the component carrier in response to one of the preamble assignment message, the RAP message, and the RAR message.

Activating component carriers by non-contention based random access procedure

A method of handling random access procedure associated to cell deactivation for a mobile device in a wireless communication system is disclosed. The method comprises activating a secondary cell configured by a network of the wireless communication system, performing a random access procedure for the activated secondary cell, and when the secondary cell is deactivated during the random access procedure, continuously performing the random access procedure.

Method of handling random access procedure associated to cell deactivation

A method of performing power headroom reporting, hereafter called PHR, for a communication device configured with a plurality of uplink component carriers or parallel PUCCH and PUSCH transmission in a wireless communication system is disclosed. The method comprises reporting power headroom information of at least one of the communication device, at least an uplink component carrier, and at least a power amplifier configured to the communication device, to a network of the wireless communication system when the PHR is triggered.

Method of performing power headroom reporting and communication device thereof

A method of power reporting for a mobile device configured with a plurality of uplink component carriers and/or parallel PUCCH and PUSCH transmission in a wireless communication system is disclosed. The method comprises being configured a maximum output power for at least a uplink component carrier, determining to start or stop a maximum output power reporting for the at least a uplink component carrier according to a characteristic associated to the mobile device or a network of the wireless communication system, and reporting the maximum output power for the at least a uplink component carrier to the network when the maximum output power reporting is triggered and the maximum output power reporting is started.

Method of power reporting and communication device thereof

Embodiments of method and apparatus for reception of multicast and broadcast (MBS) transmissions in a wireless communication system including a set of receiving devices is disclosed. A method embodiment includes encoding, by a transmission device, a plurality of MBS data bits to generate a plurality of MBS data versions, and transmitting, to the set of receiving devices, the plurality of MBS data versions, wherein the plurality of MBS data versions are transmitted in a predefined transmission pattern. The method also includes transmitting, to the set of receiving devices, identification and decoding information associated with each of the plurality of MBS data versions.

Growing community of inventors

Tainan, Taiwan

Chun-Yen Wang