Samsung Electronics Co., Ltd. (Suwon-si, KR)

This disclosure relates to a communication method for converging the (5G) communications system to support higher data rates than the (4G) or system with a technology of Internet of Things (IoT). The invention can be used to create intelligent services based on the 5G technology for communication and IoT-related technologies, including smart home, smart building, smart city, smart vehicle, connected car health care and digital education, as well as security and security services. One aspect of this invention concerns the method and apparatus to process data within wireless communication systems.

1. Field

The disclosure relates to a method for efficiently controlling the bandwidth of the wireless communication system.

2. Description of Related Art

To meet the demand for data streaming wirelessly that has increased with the advent of 4G technology There have been efforts to improve the 5G or pre-5G communications system. This is why the pre-5G communication system is also known as a Beyond 4G Network’ or a `Post LTE System`. To achieve higher data rates, the 5G communication system will operate in higher frequency (mmWave), bands, for instance 60 GHz. To decrease propagation loss of theradio waves and increase the transmission distance, the beamforming, massive multiple-input multiple-output (MIMO), Full Dimensional MIMO (FD-MIMO), array antenna, an analog beam forming, large scale antenna techniques are discussed in 5G communicationsystems. The development of 5G communication systems is also based on advanced small cells cloud Radio Access Networks, (RANs), ultra-dense network, device-to-device communication (D2D) wireless backhaul, moving networks, cooperative communication (CoMP) as well as reception-end interference cancellation, and other similar. In the 5G technology, Hybrid FSK and QAM Modulation (FQAM) and sliding window superposition codification (SWSC) as advanced codingmodulation (ACM), and filter bank multi-carrier (FBMC) as well as non-orthogonal multiple access (NOMA), and sparse code multiple access (SCMA) as an advanced access technology are being developed.

Internet is a human-centered network that allows humans to build and consume information. It is evolving into the Internet of Things (IoT) that allows distributed objects, such as things, can share and process information without human intervention. The Internet of Everything (IoE) is a blend of IoT technology and the Big Data processing technology through connection with a cloud server, has emerged. As technology elements, such as “sensing technology”,”wired/wireless communication and network infrastructure”, “service interface technology”, and “Security technology” have been demanded for IoT implementation, a sensor network, a Machine-to-Machine (M2M) communication, Machine Type Communication (MTC),and so forth have been recently researched. The IoT environment may offer smart Internet technology services that bring a new value to human life by collecting and analyzing the information generated by connected things. IoT could be applied to avariety of fields including smart home smart building, smart city, smart car or connected cars, smart grids, health care, smart appliances , and advanced medical services via the convergence of existing Information Technology (IT) andvarious industrial applications.

In this regard numerous attempts have been made to apply 5G communication systems to IoT networks. For instance, technologies like sensor networks, Machine Type Communication (MTC) and Machine-to Machine (M2M) communication may beimplemented by beamforming, MIMO, and array antennas. Application of a cloud Radio Access Network (RAN) in the context of the previously mentioned Big Data processing technology may also be considered to be as an illustration of convergence between 5G technology and IoTtechnology.

There is continuous research conducted on different methods to efficiently operate networks in NR mobile communications systems.

According to an embodiment, a method for a UE within a wireless communication system could comprise: receiving from a node B, a first communication comprising in conjunction with an initial bandwidth part (BWP) including information about multiple BWPs andinstruction information instructing activation of one several BWPs, and determining, based on the instructions, a first BWP in the BWPs to be an activated one; receiving a second message containing information to switch theactivated BWP from the first BWP to a different BWP between the various BWPs as well as switching the activated BWP’s BWP from the first BWP to the second BWP.

On the other hand, a method of a node B in a wireless communication system may include: transmitting, to a UE, a first message including, in connection with an initial bandwidth part (BWP), information regarding multiple BWPs and instructioninformation instructing activation of one of the multiple BWPs; and transmitting, if a first BWP among the multiple BWPs is determined by the UE as an activated BWP based on the instruction information, a second message including information forswitching the activated BWP from the first BWP to a second BWP among the multiple BWPs, wherein the activated BWP is switched from the first BWP to the second BWP by the UE that has received the second message.

A UE in the wireless communication network might also contain a transceiver as well as controller. The controller is programmed to receive a first message from a node, which includes information on several BWPs as well as instruction data that instructs activation.

On the other hand, the node B of a wireless communication system may comprise: a transceiver and a controller configured manage the transceiver in order to transmit, to a UE an initial message, which includes, in connection to an initial bandwidth part(BWP), information regarding multiple BWPs , as well as instructions instructing activation of one of the BWPs. It also transmits an additional message, if a first BWP among the multiple BWPs is determined by the UE as an activated BWP according to theinstruction information, the second message includes information that is required by the UE to switch the activated BWP from the first BWP to a second BWP from the multiple BWPs, wherein the activated BWP is switched from the BWP that was activated to the second BWP via the UE who has received the second message.

In accordance with an embodiment, NR mobile communication systems can be effectively operated.

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