2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)最新文献_第7页

Advanced quality of service strategies for GERAN mobile radio networks GERAN移动无线网络的先进服务质量策略

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368380

R. Müllner, C. Ball, K. Ivanov, H. Winkler

{"title":"Advanced quality of service strategies for GERAN mobile radio networks","authors":"R. Müllner, C. Ball, K. Ivanov, H. Winkler","doi":"10.1109/PIMRC.2004.1368380","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1368380","url":null,"abstract":"Customer demand for wireless data services is rapidly increasing. The introduction of GPRS, EDGE and UMTS providing high bit rate radio bearer, however, is not the complete response for satisfying the demands of these new high quality services. An advanced quality of service QoS management is necessary to handle the characteristic requirements of both different service types and user expectations. A new QoS strategy is proposed and analyzed comprising 3GPP QoS parameters along with operator's specific weighting factors to define the appropriate QoS priority of each service type and user profile. Admission control as well as a deterministic up-and downgrading strategy are applied to ensure a minimum grade of service for low-priority applications. Furthermore, delay time sensitive services and premium users are granted a full bandwidth. Simulation results are provided to qualify the behavior of the proposed QoS strategy under different packet data load conditions. Especially in highly loaded and even overloaded GERAN networks the introduction of QoS provides significant benefits for the end user and offers powerful means to increase the service revenues according to the charging policy adopted by the network operator. The introduction of an appropriate QoS strategy is the prerequisite for an overlay deployment strategy of GSM/EDGE and UMTS.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130864410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Channel allocation and handover for the HSCSD service in SDMA systems SDMA系统中HSCSD业务的信道分配与切换

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1373945

C. Hartmann

{"title":"Channel allocation and handover for the HSCSD service in SDMA systems","authors":"C. Hartmann","doi":"10.1109/PIMRC.2004.1373945","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1373945","url":null,"abstract":"In order to increase the traffic capacity of F/TDMA based cellular systems like, e.g. GSM, SDMA techniques can be applied. In such systems the base stations are equipped with antenna arrays and appropriate signal processing capabilities, which enable directional transmission on the downlink as well as directional reception on the uplink. Channels (frequencies/time slots) can then be multiply used within the cell as long as the RRM secures sufficient spatial separability among users sharing a channel. Channel allocation and handover strategies for such systems have been investigated for instance in (C. Hartmann and H.-J Vogel, October 1999) (C. Hartmann, May 2000) (C. Hartmann and J. Eberspacher, September 2001, February 2001). To increase the user data rate in systems like GSM, the high speed circuit switched data (HSCSD) service has been introduced. In HSCSD, several channels can be pooled together for a single user in order to multiply its data rate by means of multi-slot operation. The time slots allocated to a HSCSD user must be allocated on a single GSM carrier. For this purpose we propose new algorithms for HSCSD channel allocation and handover. Specifically the new algorithms consider SDMA operation, i.e. sharing of time slots within the cell. The resulting capacity is investigated by means of multi cell system simulations.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130890467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

HSDPA performance with parallel interference cancellation 并行干扰消除的HSDPA性能

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368733

V. Haikola, Marko Lampinen, Tuomas Saukkonen

引用次数: 3

A stochastic model of spatio-temporally correlated narrowband MIMO channel based on indoor measurement 基于室内测量的时空相关窄带MIMO信道随机模型

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368315

H. T. Nguyen, J. Andersen, G. Pedersen

引用次数: 5

Performance of a multi-hops configuration with 802.11: from simulation to experimentation 802.11多跳配置的性能:从模拟到实验

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1373829

D. Dhoutaut, I. G. Lassous

引用次数: 15

A new deterministic process based generative model for characterizing bursty error sequences 一种新的基于确定性过程的突发错误序列生成模型

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368375

Chengxiang Wang, M. Pätzold

{"title":"A new deterministic process based generative model for characterizing bursty error sequences","authors":"Chengxiang Wang, M. Pätzold","doi":"10.1109/PIMRC.2004.1368375","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1368375","url":null,"abstract":"Efficient and accurate generative models are of great importance for the design and performance evaluation of wireless communication protocols as well as error control schemes. In this paper, deterministic processes are utilized to derive a new generative model for the simulation of bursty error sequences encountered in digital mobile fading channels. The proposed deterministic process based generative model (DPBGM) is simply a properly parameterized and sampled deterministic process followed by a threshold detector and two parallel mappers. The target error sequence is generated by a computer simulation of a frequency hopping (FH) convolutionally coded Gaussian minimum shift keying (GMSK) transmission system with Rayleigh fading. Simulation results show that this generative model enables us to match very closely any given gap distribution (GD), error-free run distribution (EFRD), error cluster distribution (ECD), error burst distribution (EBD), error-free burst distribution (EFBD), block error probability distribution (BEPD), and bit error correlation function (BECF) of the underlying descriptive model.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132691377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 10

Capture effect in wireless LANs with RAKE reception of DSSS/DPSK signals 采用RAKE接收DSSS/DPSK信号的无线局域网的捕获效果

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1373942

Z. Hadzi-Velkov, B. Spasenovski

引用次数: 0

A game theoretic flow and routing control policy for two-node parallel link communication networks with multiple users 多用户双节点并行链路通信网络的博弈论流和路由控制策略

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368766

Ismet Sahin, M. Simaan

{"title":"A game theoretic flow and routing control policy for two-node parallel link communication networks with multiple users","authors":"Ismet Sahin, M. Simaan","doi":"10.1109/PIMRC.2004.1368766","DOIUrl":"https://doi.org/10.1109/PIMRC.2004.1368766","url":null,"abstract":"This paper is concerned with deriving an optimal flow and routing policy for two-node parallel link communication networks with multiple competing users. The model assumes that every user has a flow demand which is not fixed and which needs to be optimally routed over the network links. The flow and routing policy for each user is derived by simultaneously maximizing the total throughput and minimizing the expected delay for that user. Instead of considering the utility functions which combine the two objectives in a multiplicative fashion, as is typically done in the literature, We consider the utility functions that combine them in a linear additive fashion. We introduce two preference constants into each utility function so that each user can adjust its utility to reflect its own preferences. Because of the fact that the network resources are shared in a competitive manner by all users, this multiuser multi-objective optimization problem is formulated as a non-cooperative game problem among all the users. When the preference constants satisfy a condition, we show that this network game admits a non-symmetric flow and routing control policy that satisfies the Nash equilibrium solution. We discuss the properties of this equilibrium and illustrate the results with an example.","PeriodicalId":201962,"journal":{"name":"2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2004-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115885426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

Iterative joint decision feedback equalization and decoding for chip space-time block coding in WCDMA systems using long scrambling codes WCDMA系统中长置乱码芯片空时分组编码的迭代联合决策反馈均衡与译码

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368790

I. Casella, E. Sousa, P. Jeszensky

引用次数: 0

An efficient micromobility implementation for 802.1X WLANs 802.1X无线局域网的高效微移动性实现

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI: 10.1109/PIMRC.2004.1368807

A. Hecker, H. Labiod

引用次数: 3