What is radio resource management in LTE?
Radio resource management (RRM) is the system level management of co-channel interference, radio resources, and other radio transmission characteristics in wireless communication systems, for example cellular networks, wireless local area networks, wireless sensor systems, and radio broadcasting networks.
What is dynamic radio resource management?
Dynamic radio resource management Dynamic RRM schemes are designed mainly to minimize expensive manual cell planning and implement stricter frequency reuse patterns to improve system spectral efficiency.
What is Radio Resource Unit?
A Radio Resource Unit (RRU) can be defined by the set of basic physical transmission parameters necessary to support a signal waveform transporting end user information corresponding to a reference service. These physical transmission parameters depend on the multiple access technique being used.
What are radio resources in 5G?
Abstract: Radio resource management (RRM) for future fifth-generation (5G) heterogeneous networks (HetNets) has emerged as a critical area due to the increased density of small-cell networks and radio access technologies.
What is radio resource partitioning?
Dynamic Radio Resource Partitioning is one of the features of Ericsson 5G RAN Slicing, a software solution that dynamically allocates spectrum resources at millisecond scheduling and supports multi-dimensional service differentiation handling across slices.
What is resource allocation in 5G?
In 5G NR, similar to 4G the resource allocation is done in Time domain and frequency domain. Time domain resource allocation defines which symbols are allocated to UE and frequency domain allocation defines which RBs are allocated to the UE.
What is RRU in communication?
A Remote Radio Unit (RRU), commonly referred to as a Remote Radio Head (RRH), is a transceiver that you’ll find on wireless base stations. These transceivers connect wireless devices with wireless networks, making it possible to send and receive text messages, among other things.
What is radio admission control?
Abstract: Admission control (AC) is an important feature in a wireless network by which radio resource usage is optimized whilst maintaining the Quality of Service (QoS) of existing users.
What is data radio bearer?
5.2. 1 Signaling and data radio bearers. A signaling radio bearer is defined as a radio bearer that is only used for transmission of RRC and NAS messages. More specifically, the following three SRB types are defined in E-UTRA [1]:
What is hard slicing?
Just about all forms of packet-processing- based services are examples of soft slicing implementations, including MPLS VPNs. Hard slices provision resources in such a way that the services that they carry are fully isolated from other services, short of network failures.
What is URSP in 5G?
UE Route Selection Policy. In 5G, the device can be provisioned with URSP information which provides information on which PDU Session on network slice a given service or application should use when it is activated.
How are resource blocks allocated in 5G?
What is admission control mechanism?
The admission control mechanism. The proposed mechanism performs admission control and resource reservation at nodes on a network. It is intended to be used as a major component of QoS-enabled opportunistic routing protocols enabling control over which flow can be transmitted over the network without overloading it.
What is admission control in QoS?
Admission control is a key component for QoS delivery in IP networks because it determines the extent to which network resources are utilized and whether the contracted QoS characteristics are actually delivered.
What is difference between radio bearer and EPS bearer?
EPS bearer is a combination of several sub bearers which are E-RAB bearer, Radio bearer, S1 bearer, S5 bearer and S8 bearer: E-RAB bearer: transports the packets of an EPS bearer between UE and SGW. Radio bearer: transports the packets of an EPS bearer between UE and eNodeB.
Why do we need network slicing?
Network slicing is a mechanism for creating logical networks with tailored capabilities for specific needs over one common physical platform. Instead of rolling out separate networks designed for specific services, 5G combines them into one physical network and “slices” it to fulfil various user needs.
What is radio resource management (RRM)?
Radio resource management (RRM) plays a significant role in controlling power consumption. It has been found that energy savings can be achieved during the low-traffic-load period. For example, Oh and Krishnamachari (2010) showed that the daily traffic loads at BSs change widely over time and space.
What is RRM in LTE?
B. Radio Resource Management in LTE To ensure an efficient use of radio resources, several techniques are used as part of Radio Resource Management (RRM), in order to provide the users with a service in accordance with the configured Quality of Service (QoS) parameters. The main RRM algorithms in LTE are packet
What is inter-rat RRM?
Inter-RAT RRM may also include additional functions for inter-RAT load balancing for the idle mode and connected mode UEs.
What are the functions of the rrcm?
The RRCM includes several functional blocks that are related to radio resource and radio access management and control, such as [5]: FIGURE 6-1. IEEE 802.16m control-plane MAC CPS functions [5] Multi-Carrier Operation.