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相关论文: Designing Two-Dimensional Complete Complementary C…

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This paper presents a coding approach for achieving omnidirectional transmission of certain common signals in massive multi-input multi-output (MIMO) networks such that the received power at any direction in a cell remains constant for any…

信息论 · 计算机科学 2023-01-12 You-Qi Zhao , Cheng-Yu Pai , Zhen-Ming Huang , Zilong Liu , Chao-Yu Chen

Recently, two-dimensional (2D) array codes have been found to have applications in wireless communication.In this paper, we propose direct construction of 2D complete complementary codes (2D-CCCs) with arbitrary array size and flexible set…

信息论 · 计算机科学 2024-09-12 Gobinda Ghosh , Sachin Pathak

We propose new constructions for a two-dimensional ($2$D) perfect array, complete complementary code (CCC), and multiple CCCs as an optimal symmetrical $Z$-complementary code set (ZCCS). We propose a method to generate a two-dimensional…

信息论 · 计算机科学 2024-08-27 Rajen Kumar , Prashant Kumar Srivastava , Sudhan Majhi

In this paper, we propose a new and optimal construction of two-dimensional (2-D) Z-complementary array code set (ZCACS) using multivariable extended Boolean functions (EBFs). The proposed 2-D arrays have many applications in modern…

信息论 · 计算机科学 2025-09-03 Abhishek Roy

Golay complementary pairs (GCPs) and complete complementary codes (CCCs) have found a wide range of practical applications in coding, signal processing and wireless communication due to their ideal correlation properties. In fact, binary…

信息论 · 计算机科学 2022-04-08 Praveen Kumar , Sudhan Majhi , Subhabrata Paul

The complete complementary code (CCC) is a sequence family with ideal correlation sums which was proposed by Suehiro and Hatori. Numerous literatures show its applications to direct-spread code-division multiple access (DS-CDMA) systems for…

信息论 · 计算机科学 2010-03-16 Chenggao Han , Naoki Suehiro , Takeshi Hashimoto

Due to the zero nontrivial aperiodic correlation of complete complementary code (CCCs), it is used in asynchronous multi carrier code division multiple access (MC-CDMA) communication to provide zero interference performance. However, there…

信息论 · 计算机科学 2021-05-24 Bingsheng Shen , Yang Yang , Zhengchun Zhou

Z-complementary code set (ZCCS), an extension of perfect complementary codes (CCs), refers to a set of two-dimensional matrices having zero correlation zone properties. ZCCS can be used in various multi-channel systems to support, for…

信息论 · 计算机科学 2019-11-11 Palash Sarkar , Sudhan Majhi , Zilong Liu

In this paper, we design the precoding matrices at the base station side and the combining matrices at the user terminal side for initial downlink synchronization in millimeter wave massive multiple-input multiple-output systems. First, we…

信息论 · 计算机科学 2017-10-31 Xin Meng , Xiqi Gao , Xiang-Gen Xia

Complete complementary codes (CCCs) play a vital role not only in wireless communication, particularly in multicarrier systems where achieving an interference-free environment is of paramount importance, but also in the construction of…

信息论 · 计算机科学 2024-03-25 Palash Sarkar , Chunlei Li , Sudhan Majhi , Zilong Liu

Massive multiple-input multiple-output (MIMO) systems achieve high sum spectral efficiency by offering an order of magnitude increase in multiplexing gains. In time division duplexing systems, however, the reuse of uplink training pilots…

信息论 · 计算机科学 2016-10-14 Ahmed Alkhateeb , Geert Leus , Robert W. Heath

Z-complementary code set (ZCCS) are well known to be used in multicarrier code-division multiple access (MCCDMA) system to provide a interference free environment. Based on the existing literature, the direct construction of optimal ZCCSs…

信息论 · 计算机科学 2022-04-20 Gobinda Ghosh , Sudhan Majhi , Palash Sarkar , Ashish Kumar Upadhyay

Multicarrier code-division multiple-access (MC-CDMA) combines an orthogonal frequency division multiplexing (OFDM) modulation and a code-division multiple-access (CDMA) scheme to exploits the benefits of both the technologies. The high…

信息论 · 计算机科学 2019-09-20 Palash Sarkar , Sudhan Majhi

Mutually orthogonal complementary sets (MOCSs) and Z-complementary code sets (ZCCSs) have many applications in practical scenarios such as synthetic aperture imaging systems and multi-carrier code division multiple access (MC-CDMA) systems.…

信息论 · 计算机科学 2023-08-10 Hongyang Xiao , Xiwang Cao

Common signals in public channels of cellular systems are usually transmitted omnidirectionally from the base station (BS). In recent years, both discrete and consecutive omnidirectional space-time block codings (STBC) have been proposed…

信号处理 · 电气工程与系统科学 2019-05-03 Can Liu , Xiang-Gen Xia , Yongzhao Li , Xiqi Gao , Hailin Zhang

In this paper, we prove existence of optimal complementary dual codes (LCD codes) over large finite fields. We also give methods to generate orthogonal matrices over finite fields and then apply them to construct LCD codes. Construction…

信息论 · 计算机科学 2017-04-14 Lin Sok , Minjia Shi , Patrick Solé

With the increasing demand for ultra-reliable and low-latency communication (URLLC), spatiotemporal two-dimensional (2-D) channel coding has received growing interest. By leveraging the spatial degrees of freedom in massive multiple-input…

信息论 · 计算机科学 2026-04-24 Yaqi Li , Shuohan Zhang , Xiaohu You , Jiamin Li

Z-complementary code sets (ZCCSs) are used in multicarrier code-division multiple access (MC-CDMA) systems, for interference-free communication over multiuser and quasi-asynchronous environments. In this letter, we propose three new…

信息论 · 计算机科学 2023-02-23 Gobinda Ghosh , Sudhan Majhi , Shubabrata Paul

In recent years, complementary sequence sets have found many important applications in multi-carrier code-division multiple-access (MC-CDMA) systems for their good correlation properties. In this paper, we propose a construction, which can…

信息论 · 计算机科学 2021-05-24 Zhengchun Zhou , Fangrui Liu , Avik Ranjan Adhikary , Pingzhi Fan

An efficient analog network coding transmission protocol is proposed in this letter for a MIMO two way cellular network. Block signal alignment is first proposed to null the inter-user interference for multi-antenna users, which makes the…

信息论 · 计算机科学 2013-08-19 Ming Gan , Zhiguo Ding , Xuchu Dai
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