Abstract: A method for handling BWPs utilized in a communication device comprises receiving a first MAC CE for activating at least one first SCell, from a network; activating the at least one first SCell; starting a sCellDeactivationTimer associated with the at least one first SCell, when activating the at least one first SCell; deactivating the at least one first SCell, if a second MAC CE for deactivating the at least one first SCell is received from the network, or if the sCellDeactivationTimer expires; stopping the sCellDeactivationTimer, when deactivating the at least one first SCell; and stopping a first BWP-InactivityTimer for the at least one first SCell, when deactivating the at least one first SCell.

Abstract: A communication device receiving a configuration for a timer; starting the timer in response to the configuration, when receiving a physical downlink (DL) control channel (PDCCH) indicating at least one of a first DL assignment and a switching of the BWP; initiating a random access (RA) procedure and stopping the timer; and starting the timer, when obtaining that the RA procedure is successfully performed.

Abstract: A communication device for handling scheduling requests (SRs) for logical channels comprises at least one processing circuit configured to execute instructions of: receiving a configuration of a first logical channel, a configuration of a second logical channel, a first SR configuration associated to the first logical channel and a second SR configuration associated to the second logical channel; when a priority of the first logical channel is higher than or equal to a priority of the second logical channel and the first logical channel has first data becoming available for a first data transmission, triggering a first buffer status reporting (BSR) and a first scheduling request (SR) for the first BSR and transmitting the first SR according to the first SR configuration; and when the first logical channel is released, canceling the first SR.

Abstract: A communication device of handling a random access procedure comprises a storage unit for storing instructions and a processing circuit coupled to the storage unit. The processing circuit is configured to execute the instructions stored in the storage unit. The instructions comprise determining a first coverage enhancement (CE) level; selecting at least one first random access preamble from a first preamble group corresponding to the first CE level; performing the random access procedure according to the at least one first random access preamble with a network; determining a second CE level, if the random access procedure performed according to the first access preamble is performed unsuccessfully; selecting at least one second random access preamble from a second preamble group; and performing the random access procedure according to the at least one second random access preamble with the network.

Abstract: A communication device for handling a HARQ process in a LAA SCell comprises a storage unit and a processing circuit configured to execute instructions stored in the storage unit. The instructions comprise receiving at least one UL grant from a network in a DL subframe, wherein a UL grant of the at least one UL grant schedules at least one PUSCH transmission associated with a UL HARQ process in at least one UL subframe, and a first timer and a second timer are associated with the UL HARQ process; starting the first timer in a first UL subframe of the at least one UL subframe, if the communication device is not able to perform a PUSCH transmission of the at least one PUSCH transmission in the first UL subframe; starting the second timer, when the first timer expires; and monitoring a PDCCH, when the second timer is running.

Abstract: A communication device of performing a random access (RA) procedure comprises instructions of: receiving a first configuration of a first synchronization signal (SS) block of a base station (BS) and a second configuration of a second SS block of the BS; obtaining a first result indicating that a first signal quality of the first SS block is higher than a second signal quality of the second SS block; selecting the first configuration according to the first result; obtaining a second result indicating that the first signal quality is lower than the second signal quality, when the communication device fails to receive at least one message from the BS; and selecting the second configuration according to the second result.

Abstract: A communication device of handling channel access procedures comprises a storage device storing instructions and a processing circuit coupled to the storage device. The processing circuit is configured to execute the instructions stored in the storage device. The instructions comprise receiving a first Physical Downlink Control Channel (PDCCH) signal indicating a first channel access procedure and a first priority class of the first channel access procedure from a network; performing the first channel access procedure with the network, after receiving the first PDCCH signal; receiving a second PDCCH signal indicating a second channel access procedure and a second priority class of the second channel access procedure from the network; and determining to continue or terminate the first channel access procedure with the network according to a comparison of the first priority class and the second priority class, after receiving the second PDCCH signal.

Abstract: A communication device for handling data transmission in an unlicensed band comprises a storage unit for storing instructions and a processing means coupled to the storage unit. The processing means is configured to execute the instructions stored in the storage unit. The instructions comprise receiving an uplink (UL) grant in the unlicensed band from a network, wherein the UL grant indicates a first plurality of resource blocks for transmitting data; transmitting the data in the first plurality of resource blocks of the unlicensed band to the network according to the UL grant; and transmitting a preamble in a second plurality of resource blocks of the unlicensed band to the network, wherein the preamble indicates the transmission of the data.

Abstract: A communication device of handling a schedule request (SR) comprises a storage device and a processing circuit, coupled to the storage device. The storage device stores, and the processing circuit is configured to execute instructions of: receiving a first configuration of a first logical channel (LC), a second configuration of a second LC, a first SR configuration corresponding to the first LC, and a second SR configuration corresponding to the second LC from a base station (BS); transmitting a first buffer status report (BSR); starting a BSR retransmission timer (retxBSR-Timer) in response to the transmission of the first BSR; transmitting a SR to the BS according to the first SR configuration, when the retxBSR-Timer expires, the first LC has first data available for being transmitted, and a first priority of the first LC is higher than a second priority of the second LC.

Abstract: A communication device for handling a scheduling request (SR) for a logical channel (LC) comprises a storage device storing instructions of transmitting a first SR for a fist LC to a network and starting a first sr-ProhibitTimer associated to the first LC, when the first SR is triggered by the first LC and the first sr-ProhibitTimer is not running; not transmitting the first SR for the first LC, when the first SR is triggered by the first LC and the first sr-ProhibitTimer is running; transmitting a second SR for a second LC to the network and starting a second sr-ProhibitTimer associated to the second LC, when the second SR is triggered by the second LC and the second sr-ProhibitTimer is not running; and not transmitting the second SR triggered by the second LC, when the second SR is triggered by the second LC and the second sr-ProhibitTimer is running.

Abstract: A communication device of a wireless communication system for handling a random access procedure includes a processing means and a storage unit. The processing means is used for executing a program. The storage unit, coupled to the processing means, is used for storing the program which instructs the processing means to perform the following steps: receiving a configuration message for the random access procedure from a network of the wireless communication system, wherein the configuration message configures the communication device to transmit a first random access preamble; performing a clear channel assessment (CCA) or listen before talk (LBT) operation before transmitting the first random access preamble; and increasing a preamble transmission counter of the first random access preamble by 1 when performing the CCA or LBT operation.

Abstract: A method for a use equipment to transmit duplication data using multiple carriers includes: configured by a base station to associate a first radio bearer to at least a first logical channel and a second logical channel; associating the first logical channel to at least one first carrier; associating the second logical channel to at least one second carrier that is different from the first carrier; and transmitting a first data associated with the first radio bearer via the first logical channel and a duplicate of the first data via the second logical channel.

Abstract: A communication device for handling a transmission in an unlicensed band comprises a storage unit for storing instructions and a processing means coupled to the storage unit. The processing means is configured to execute the instructions stored in the storage unit. The instructions comprise performing a first transmission using a hybrid automatic repeat request (HARQ) process in a first subframe of an unlicensed band to a network; receiving a first DCI for the HARQ process in a first control channel in a second subframe of the unlicensed band in response to the first transmission from the network, wherein a distance between the first subframe and the second subframe greater than four subframes; and performing a second transmission using the HARQ process in a third subframe of the unlicensed band to the network according to the first DCI.

Abstract: A user equipment of a communication system includes a first communication circuit configured to operably receive ANDSF rule set and RAN rule transmitted from a communication station; a second communication circuit; and a control circuit configured to operably: select a target ANDSF rule out of the ANDSF rule set; determine whether the user equipment fulfills all validity conditions of the target ANDSF rule; select a target access network out of a prioritized network list defined by the target ANDSF rule if all validity conditions of the target ANDSF rule are fulfilled; determine whether the target access network fulfills all validity conditions of the RAN rule if the target access network is present; and control the second communication circuit to steer traffic specified in the target ANDSF rule or traffic specified in the RAN rule to a target access point of the target access network.

Abstract: A communication device of handling channel access procedures comprises a storage device storing instructions and a processing circuit coupled to the storage device. The processing circuit is configured to execute the instructions stored in the storage device. The instructions comprise receiving a first Physical Downlink Control Channel (PDCCH) signal indicating a first channel access procedure and a first priority class of the first channel access procedure from a network; performing the first channel access procedure with the network, after receiving the first PDCCH signal; receiving a second PDCCH signal indicating a second channel access procedure and a second priority class of the second channel access procedure from the network; and determining to continue or terminate the first channel access procedure with the network according to a comparison of the first priority class and the second priority class, after receiving the second PDCCH signal.

Abstract: A communication device comprises a storage unit for storing instructions and a processing means coupled to the storage unit. The processing means is configured to execute the instructions stored in the storage unit. The instructions comprise detecting energy of a set of subcarriers in an unlicensed band; obtaining a value according to a statistical function of the energy; and transmitting a report comprising the value to a network.

Abstract: A mobile communication device is provided with a first wireless module, a second wireless module, and a controller module. The first and second wireless modules perform wireless transmissions and receptions to and from a telecommunication network and an AP using a cellular technology and an SRW technology, respectively. The controller module receives, from the telecommunication network via the first wireless module, at least one RAN rule and information concerning an amount of the data traffic to be offloaded and a level of granularity of the data traffic to be reported for offloading. Also, the controller module receives a first traffic offloading request from the telecommunication network via the first wireless module in response to determining that one of the RAN rule is satisfied, and offloads data traffic indicated by the first traffic offloading request from the telecommunication network to the AP via the second wireless module.

Abstract: A mobile communication device is provided with two wireless modules and a controller module. The first and second wireless modules perform wireless transmission and reception using a telecommunication technology and an SRW technology, respectively. The controller module receives distance information of one or more APs, or location information of the APs and the base station, from a base station via the wireless module, and determines a first distance from the mobile communication device to the base station according to an uplink timing adjustment received from the base station via the wireless module. Also, the controller module determines one or more second distances from the APs to the base station according to the received distance information or location information, and scans for the APs which have the corresponding second distances approximate to the first distance, to connect to one of the scanned APs via the second wireless module.

Abstract: A communication device of handling a random access procedure comprises a storage unit for storing instructions and a processing circuit coupled to the storage unit. The processing circuit is configured to execute the instructions stored in the storage unit. The instructions comprise determining a first coverage enhancement (CE) level; selecting at least one first random access preamble from a first preamble group corresponding to the first CE level; performing the random access procedure according to the at least one first random access preamble with a network; determining a second CE level, if the random access procedure performed according to the first access preamble is performed unsuccessfully; selecting at least one second random access preamble from a second preamble group; and performing the random access procedure according to the at least one second random access preamble with the network.

Abstract: A communication device for handling a HARQ process in a LAA SCell comprises a storage unit and a processing circuit configured to execute instructions stored in the storage unit. The instructions comprise receiving at least one UL grant from a network in a DL subframe, wherein a UL grant of the at least one UL grant schedules at least one PUSCH transmission associated with a UL HARQ process in at least one UL subframe, and a first timer and a second timer are associated with the UL HARQ process; starting the first timer in a first UL subframe of the at least one UL subframe, if the communication device is not able to perform a PUSCH transmission of the at least one PUSCH transmission in the first UL subframe; starting the second timer, when the first timer expires; and monitoring a PDCCH, when the second timer is running.