To support multimedia service with the broadband wireless access (BWA), IP layer QoS is one of keys to success. The IEEE 802.16 technology provides wide area, high speed and non-light-of-sight network. In standard, 2 supports four types. improve performance network, we should consider how both cooperate. this paper, propose a framework cross-layer in Two novel mechanisms are proposed for improvement: fragment control remapping. Fragment handles data frames that belong same datagram an atomic...

As one of the promising techniques in Broadband Wireless Access (BWA), IEEE 802.16 also namely WiMax provides wide-area, high-speed, and non-line-of-sight wireless transmission to support multimedia services. Four service types are defined specification for QoS support. In order achieve end-to-end services, must be well integrated with IP QoS. this paper, we propose a framework cross-layer network. Two novel mechanisms proposed performance improvement: Fragment Control Remapping. handles...

The popularity of handheld devices, which are usually powered by batteries, has made power saving an important and practical issue in recent years. Techniques for user devices using mobile communication systems such as WiMAX LTE (Long-Term Evolution) parts the major focuses literature. In this paper, two revised schemes authors’ previously proposed IEEE 802.16 to be applied LTE. schemes, namely LTE-LBPS-Aggr LTE-LBPS-Merge, estimate input load traffic measurement channel capacity quality...

Long Term Evolution (LTE) and IEEE 802.16 WiMAX are competing access network technologies adopted in 4G wireless networks recent years. LTE complies with 3GPP standards whereas is regulated by the Institute of Electrical Electronics Engineers (IEEE). Although already operating commercially Taiwan, system limited to an independent new that incompatible current 3G system. Hence, cost implementing relatively high, this being impediment its rapid uptake widespread use. On other hand, conforms...

Abstract The 5G wireless technology is recently standardized for meeting intense demand. Long Term Evolution (LTE) provides an easy, time-saving, and low-cost method deploying a 4G/5G network infrastructure. To support multimedia service higher bandwidth data delivery, LTE MAC layer has Quality of Service (QoS) with several QoS class indicator (QCI) levels. Based on current QCI priority requirements in UEs, the original Max-Rate scheduler, Proportionally Fair (PF) Modified Largest Weighted...

IEEE 802.16 Wireless Network technology is a hot research issue in recent years. It provides wider coverage of radio and higher speed wireless access, Quality-of-Service plays an important part the standard. For mobile multi-hop network, 802.16j/MR network not only can supply large area deployment, but also provide high quality service to users. Although Mobile QoS supporting has been extensively investigated, 802.16-MR relatively unexplored. In this article, probability user who visits...

For mobile multi-hop wireless network, IEEE 802.16j/MR network can not only supply large area deployment, but also provide high quality service to users. In this paper, we will be focusing on QoS supporting for users in the 802.16-MR network. The probability of a user who visits RS is known beforehand. With same visiting each and system-specified size range bandwidth allocation, BS calculate required meet user's demand allocate appropriate includes current relay station nearby stations....

In our previous work, the limitation of standard type I and II power saving in IEEE 802.16e was discussed, idea load-based LBPS proposed for better power-saving efficiency. measures traffic load adaptively generates proper sleep schedule current load. Three schemes have been mobile subscriber station MSS saving. this paper, base BS is taken into consideration, previously schemes, are extended revised to integrate both scheduling. Two strategies integrated saving, first first, each with...

By comparing with the characteristics of traditional mobile Quality-of-Service mechanisms, idea zone-based bandwidth allocation for users in IEEE 802.16j multi-hop relay network (IEEE 802.16-MR) is proposed paper. The zone a user includes current station and its neighboring stations within size hop count. Bandwidth made roaming zone, calculation required presented Adaptive selection fit mobility main focus Markovian analysis used to determine proper size. Simulation study has demonstrated...

LTE/LTE-Advanced is the competing leader of access network technology in 4G wireless networks. LTE one 3GPP standards, and furthermore LTE-Advanced are developed by which organized telecommunication manufacturers operators. Moreover, backward compatible with 3G/UMTS cellular systems. To improve radio resource utilization, simultaneously deploying Multiple Radio Access Technologies (Multi-RATs) a given coverage area, to carry complete offered user traffic, provides superior experience. The...

LTE and IEEE 802.16 WiMAX are competing access network technologies in 4G wireless networks. is one of 3GPP standards while standardized by IEEE. Although already commercially operates Taiwan, it limited to the independently new system that cannot compatible with current 3G system. Hence, cost construction higher be popularized fast. On other hand, developed which organized telecommunication manufactories operators. Moreover, backward 3G/UMTS cellular systems. The specifications define how...

Before then, no evaluation scheme can be used to compare any two Importance-Performance Analysis (IPA) models. In this paper, for comparing the performance of some IPA models, a novel index, called discrimination is proposed. Hereafter, using index we find best one among Furthermore, show that model with multi-survey web-based questionnaire better than traditional single-survey by proposed index.

By introduction of relay nodes, LTE-Advanced can provide enhanced coverage and capacity at cell edges hot-spot areas. The authors have been researching the issue power saving in mobile communications technology such as WiMax Long Term Evolution (LTE) for some years. Based on previous idea load-based saving, two strategies each with associated schemes to integrated nodes user equipment are proposed paper. Simulation study shows benefit terms better than standard-based scheme cost moderately...

In our previous work, the limitation of standard type I and II power saving in IEEE 802.16e was discussed, idea load-based LBPS proposed for better power-saving efficiency. measures traffic load adaptively generates proper sleep schedule current load. Three schemes have been mobile subscriber station MSS saving. this paper, base BS is taken into consideration, previously schemes, are extended revised to integrate both scheduling. Two strategies integrated saving, first first, each with...

LTE-Advanced (LTE-A) offloading is concerned about alleviating traffic congestion for the LTE-A network, which includes core network and radio access (RAN). Due to scarcity of resource, RAN more critical, an efficient way integrate Wi-Fi with form a heterogeneous environment. An UE (User Equipment) wi-fi interface can therefore Internet via base station Evolved Node B (eNB) or Access Point (AP). In this paper, wireless selection UEs delay-sensitive in addressed. Based on queueing model...

Abstract IEEE 802.16 (WiMax) technology is designed to support broadband speeds over wireless networks for the coming era of access (BWA). expected provide transmission high‐rate and high‐volume multimedia data streams fixed mobile applications. As an extension point‐to‐multipoint (PMP) configuration, mesh mode provides a quicker more flexible approach network deployment. Multimedia networking requires quality‐of‐service (QoS) support, which demands elaborate mechanisms in addition four...

LTE is backward compatible with 3G/UMTS cellular systems. The specifications define how user equipments (UEs) connect and communicate base stations (eNBs). enhanced version, LTE-Advanced, adds a new entity called relay node (RN) to enlarge service coverage. There are two kinds of RN architecture four different alternatives. final decision the fixed alternatives Alternative 2 (Alt2) on Release 10 standard. However, Alt2 has S/P-GW re-location IP re-allocation problems when becomes movable....